ms42

IV B.Tech. II Semester Regular Examinations, April, 2011

ADVANCED STRUCTURAL DESIGN

(Civil Engineering)

Time: 3 Hours Max Marks: 80

Answer any FIVE Questions

All Questions carry equal marks

Use of IS-456-2000 IS 800-1980 and design charts from SP-16 is allowed

******* 1. A cantilever retaining wall is retaining earth to a height of 4.5 subjected to a

superimposed load of 30 KN/m2. The top surface is horizontal behind the wall.

Density of soil is 18KN/m3 and angle of internal friction is 27

o. The SBC is 200

KN/ m2. The coefficient of friction between base and soil is 0.55. Design a Stem of

cantilever retaining wall. Use M20 & Fe 415 steel.

2. Design a circular water tank with flexible base for a capacity of 600000 liters resting

on ground. Design a cantilever retaining wall using M20 concrete and Fe 415 steel.

Draw reinforcement details. Draw the probable reinforcement diagram if the tank is

designed as a rigid base water tank.

3. Design a rectangular pressed steel tank 7.50m× 6.25m × 2.50m deep supported at

9.0m above ground level. Design tank bearers after planning the arrangement of the

plates.

4. Explain procedure for designing a Cylindrical Bunker. List out various stresses

induced under loading and how the suggested section is verified for stresses.

5. Explain IRC Class AA loading with neat sketches. Locate conditions for maximum

bending moment and shear force when IRC class AA vehicle is passing through a

T-Beam bridge.

6. Design a plate girder to withstand a total load of 35 kN/m uniformly distributed over a

span of 18 m. The maximum depth of the beam is to be restricted to 1200mm

7. Explain procedural steps for designing steel truss bridges to support railway loading.

8. Discuss procedure for calculation of Wind forces on multistoried buildings and how

the effect is incorporated in analysis and design of the building. Explain with typical

frame.

Code No: K0121 Set No. 1 R07

1 of 1



(Civil Engineering)





*******

1. Explain component of the Cantilever retaining wall. Explain steps involved in

designing a cantilever retaining wall is retaining earth upto its full height. Draw a

typical reinforcement diagram in various parts of the structure.

2. Design a rectangular water tank for a capacity of 500000 liters resting on ground.

Design a cantilever retaining wall. Draw reinforcement details.



plates.

4. Explain procedure for designing a concrete chimney. List out various stresses

induced under full load condition and how the suggested section is verified for

stresses.

5. Explain IRC Class A loading with neat sketches. Locate conditions for maximum

bending moment and shear force when an IRC class A loading is passing through a

T-Beam bridge.

6. Design a plate girder to withstand a total load of 1000 kN (W) uniformly distributed

over a span of 20 m. The maximum depth of the beam is to be restricted to 1500mm


8. Explain phenomenon of Earthquake excitation and its influence of various types of

structures. Explain Ductile detailing of reinforced concrete structures to take care of

earthquake forces.


1 of 1



(Civil Engineering)





******* 1. A cantilever retaining wall is retaining earth to a height of 4.5m subjected to a

superimposed load of 25 KN/m2. Density of soil is 18KN/m

3 and angle of internal

friction is 28o. The bearing capacity of soil is 175 KN/ m

2. The coefficient of friction

between base and soil is 0.5. Design a cantilever retaining wall using M20 concrete

and Fe 415 steel.

2. List out various components of an Intze tank. Explain procedure for designing the

roof dome, top ring beam and cylindrical wall for the intze tank.

3. Designing of pressed steel tank for retaining 75000 letres capacity. Draw detailed

diagram with all details.

4. Design a concrete chimney of 60m height having external diameter 4m throughout.

Check the suggested section for stresses. Use M20 concrete and Fe 415 steel. Assume

the shell thickness same throughout the height. Assume any data missing

appropriately.

5. Explain Pigeaud’s theory for analysis of wheel load on T-Beam bridges.

6. Design a gantry girder for an industrial building to carry an electric overhead

traveling crane with the following data.

Crane capacity = 350 kN Weight of crane excluding crab = 160 kN

Weight of crab = 60 kN Span of crane between rails = 20 m

Wheel base = 3.0 m Minimum hook approach = 1.0 m

Span of gantry girder = 8 m Weight of rail section = 30kg/m

Check the suggested section for bending stresses.


8. Explain Design Considerations of Multistoried buildings and discuss procedure for

calculation of Earth quake forces on multistoried buildings and how the effect is

incorporated in analysis and design of the building.


1 of 1



(Civil Engineering)





*******

1. List out parts of Counterforte retaining wall. Explain various steps involved in

designing a Counterforte retaining wall retaining earth upto its full height. Draw a

typical reinforcement diagram in various parts of the structure.

2. Explain various components of an Intze type water tank and explain procedure for

Designing the roof dome, top ring beam and cylindrical wall for the intze tank.



plates.

4. Explain design of a Bunker and describe various parts of an RC Bunker with neat

sketches

5. a) Explain various types of reinforced concrete bridges with neat sketches.

b) Derive expression for economical span of the bridge

6. Design a gantry girder for an industrial building to carry an electric overhead

traveling crane with the following data. Crane capacity is 220 KN. Weight of crane

excluding crab is 150 KN. Weight of crab is 6 KN. Span of crane between rails is

18m. Minimum hook approach is 1.0 m. Wheel base is 2.8 m. Span of gantry girder is

8 m. Weight of rail section is 25 kg/m. Height of rail section is 75mm.


8. Discuss effect of Wind and Earth quake forces on multistoried buildings and how the

effect is incorporated in analysis and design of the building.


1 of 1


GROUND WATER DEVELOPMENT AND MANAGEMENT

(Civil Engineering)




*******

1. a) Discuss in detail about origin of ground water.

b) Calculate the fresh water flow in a coastal aquifer extending to a length of

40 km along the coast, assuming an average permeability of 40 m3/day/ m

2,

average thickness of aquifer of 20 m, and the piezometric gradient at 5 m/km.

2. a) Distinguish between ‘ground surface contours’ and ‘water table contour’.

Explain how the water table contours are prepared and state their uses

b) How permeability is measured in laboratory?

3. A tube well taps an artesian aquifer. Find its yield in litres per hour for a

drawdown of 3 m when the diameter of the well is 20 cm and the thickness of

the aquifer is 30 m. Assume the coefficient of permeability to be 35 m/day.

If the diameter of the well is doubled find the percentage increase in the yield,

the other conditions remaining the same. Assume the radius of influence as

300 m in both cases.

4. How yield of an open well is determined using

a) Recuperation test, and

b) Pumping test

5. A pump test was conducted on a fully penetrating well in a non-leaky artesian aquifer.

Determine the drawdown in an observation well at 10, 50 and 200 min from the time

of staring the pump, given the following data:

Constant discharge from the well= 2800 lpm

Distance of observation well from the pumping well = 20 m

Storage coefficient of aquifer = 7.24 x ��

Transmissibility of aquifer = 1500 lpm/m

R07 Set No. 1

Code No: K0122

1 of 2

6. Discuss in detail how Aerial Photogrammetry techniques are used in ground

water studies.

7. Explain in detail various ground water recharge methods and their relative merits.

8. Discuss conjuctive use of surface and ground waters in optimum development

of water resources

Code No: K0122 R07 Set No. 1

2 of 2



(Civil Engineering)




*******

1. a) Explain various rock properties effecting ground water.

b) Distinguish between

(i) Aquifer and Aquifuge

(ii) darcy velocity and actual velocity

(iii) Aquiclude and Aquitard

(iv) Groundwater and perched groundwater

2. a) An aquifer has an average thickness of 50 m and an aerial extent of 150 ha.

Estimate the available ground water storage if the aquifer is unconfined and

fluctuation in GWT is observed as 10 m.

b) State Darcy’s law and its limitations.

3. In a given year over 60 km2 catchment, 120 cm of rainfall was received and

1000 ha-m was

(i) discharged through the outlet. The ground water table rose by 30 cm and the

average specific

(ii) yield of the soil was 18%. The soil moisture increased by 5 cm on an average.

Estimate the

(iii) evapotranspiration during the year.

4. a) With a neat sketch and adopting usual notation, derive an expression for the

steady state discharge of a well penetrating fully in a unconfined aquifer.

b) List out the assumptions made in the analysis of steady radial flow into well.

R07 Set No. 2 Code No: K0122

1 of 2

5. A 25 cm well 70 m deep is proposed in an aquifer having a transmissibility of 1.5x105

lpd/m and a coefficient of storage of 0.004. The static water level is expected to be 20 m

below ground level. Assuming a pumping rate of 2000 lpm, what will be the drawdown

in the well after (a) 1 year, (b) 2 years?

6. a) Sketch Wenner electrode arrangement and Schlumberger electrode arrangements.

b) What are the advantages of ground water compare to surface water.

7. Discuss in detail how Remote Sensing and GIS techniques are used in artificial

recharge of groundwater.

8. Discuss concept of conjunctive use and list out various advantages of conjunctive use.


2 of 2



(Civil Engineering)




*******

1. a) An aquifer averages 50 m in thickness and is 100 ha in area. Determine the

volume in ha-m of water available if

(i) the aquifer is unconfined and is completely drained

(ii) the aquifer is confined and the piezometric head is lowered from 30 m to 10 m

above the

(iii) aquifer.

Assume Sy = 15%, � � � ��


i). Specific retention and specific yield

ii). Confined aquifer and unconfined aquifer

2. Derive differential equation governing ground water flow in three dimensions.

3. In a recuperation test, the static water level in an open well was depressed by pumping

by 3 m and it recuperated 1.5 m in 1 hour. If the diameter of the well is 2.5 m and the

safe working depression head is 2.4 m, find the average yield of the well in lpm.

4. a) List out the assumptions made in the THEIS equation.

b) Write down the Theis equation for unsteady radial flow into a well in a confined

aquifer. Explain each term in the equation.

R07 Set No. 3

Code No: K0122

1 of 2

5. A pump test was conducted on a fully penetrating well in a non-leaky artesian aquifer.

Determine the drawdown in an observation well at 10, 50 and 200 min from the time of

staring the pump, given the following data:

(i) Constant discharge from the well= 2800 lpm

(ii) Distance of observation well from the pumping well = 20 m

(iii) Storage coefficient of aquifer = 7.24 x ��

(iv) Transmissibility of aquifer = 1500 lpm/m

6. Explain the following with a neat sketch.

(i) Electrical resistivity method

(ii) Seismic refraction method

7. a) With a neat diagram explain upcoming of salt water beneath a pumped well.

b) How do you control sea water intrusion

8. Discuss conjuctive use of surface and ground waters in optimum development of

water resources.


2 of 2



(Civil Engineering)




*******

1. a) Explain in detail about ground water hydrological cycle.


a) Water table and piezometric surface

b) Vadose zone and phreatic zone

c) Artesian well and flowing well

d) Pumping test and recovery test

2. a) During a falling head permeability test on a soil sample of 10 cm diameter and

20 cm length, the head in the stand pipe of 2 cm diameter dropped from 50 cm

to 25 cm in 2 min. Determine the permeability of the sample.


i). Transmissivity and storativity

ii). Darcy velocity and actual velocity

3. A well penetrates into an unconfined aquifer having a saturated depth of 50 m.

The discharge is 250 1pm at 8 m drawdown. What would be the discharge at 10 m

drawdown. The radius of influence in both the cases may be taken as same.

4. Explain, with a neat sketch, the Cooper and Jacob method of determining the

aquifer parameters

5. A 25 cm well 70 m deep is proposed in an aquifer having a transmissibility

of 1.5x105 lpd/m and a coefficient of storage of 0.004. The static water level is

expected to be 20 m below ground level. Assuming a pumping rate of 2000 lpm,

what will be the drawdown in the well after (a) 1 year, (b) 2 years?

R07 Set No. 4

Code No: K0122

1 of 2

6. Explain the following

a) Geophysical logging

b) Resistivity logging

7. a) Explain with a neat sketch fresh water-salt water interface.

b) With a neat sketch discuss upconing

8. Discuss concept of conjunctive use and list out various advantages of conjunctive use.

Code No: K0122 Set No. 4

R07

2 of 2


ENVIRONMENTAL IMPACT ASSESSMENT AND MANAGEMENT

(Civil Engineering)




*******

1. a) What are the various types of impacts?

b) How do you assess the significance of any particular environmental impact?

2. a) What are Adhoc methods? How are they useful? What are its limitations?

b) What are the advantages of Check lists over ad-hoc methods?

3. a) What are the remedial measures that can be adopted during and after execution of any

developmental project if the soil is contaminated?

b) How do you delineate study area for assessment of impact on ground water?

4. a) What are the key elements in assessment of biological impacts of any project activity?

b) How do you predict soil impacts using qualitative approaches?

5. a) What are the environmental impacts of Deforestation?

b) How do you assess the impact of development activities on wild life?

6. a) What are the various Onsite activities of the environmental audit?

b) What are on-site activities needed in the preparation of an environmental audit report?

7. a) What are the powers and functions of State Pollution Control Boards as per

Water Act, 1974?

b) What are the penalties that can be imposed as per Wildlife Protection Act, 1972?

8. Explain the preparation of environmental impact statement of a typical road project.


1 of 1



(Civil Engineering)




*******

1. a) Explain the various steps involved in adopting EIA as a planning tool for any

major activity.

b) What is the necessity of Initial Environmental Examination for any project?

2. a) What is the criteria for the selection of best EIA Method in a given situation?

b) Explain the cost/benefit analysis of Environmental Impact Assessment

Methodology?

3. a) Discuss different activities in a major road laying project likely to have impacts

on soil and ground water?

b) Describe the qualitative approaches for prediction of soil impacts with special

reference to pipeline construction.

4. a) What are the various air pollution sources?

b) What are the main steps of generalised approach for assessment of air

pollution impact?

5. a) What are the effects of deforestation on wild life?

b) How do you assess impacts of development activities on vegetation?

6. a) What are the legislative objects of an environmental audit?

b) What is an audit protocol? Explain in detail.

7. a) What are the typical post-audit activities?

b) What are the salient features of Wildlife Protection Act, 1972?

8. Explain the preparation of environmental impact statement of Integrated Steel Plant.


1 of 1



(Civil Engineering)




*******

1. a) Explain the different aspects to be presented in chronological order in any

EIA report.

b) What are the various factors to be taken into in EIA studies?

2. a) What are scaling and weighing scaling checklist methods?

b) What are the salient features of Matrix methods?

3. a) What are the impacts of developmental activities on different factors of

soil formation?

b) How do describe the background information of soil environment?

4. a) How do assess the air quality impact using modelling approach?

b) Enumerate the various impacts on biological environment?

5. a) Explain the role of poverty in deforestation.

b) Explain the various effects of deforestation with special reference to deforestation

in India.

6. a) What the types of environmental audit?

b) What are the various steps involved in the preparation an audit report?

7. a) What are the powers and functions of Central Pollution Control Board as per

Water Act, 1974.

b) What are the salient features of Air Act?

8. Explain the preparation of environmental impact statement of a typical

Airport project.


1 of 1



(Civil Engineering)




*******

1. a) How do you select the preferred alternative from EIA studies?

b) What are the various elements of an environmental base map?

2. a) What are Overlay methods? How GIS is useful as advanced tool in Overlay Methods?

b) Explain any Networks method with suitable example.

3. a) What are the impacts of induced development with reference to soil and ground

water?

b) What are the environmental impacts of a road project on soil and ground water?

4. a) Describe the methodology for assessment of impacts on surface water.

b) What are the various human induced changes on soil characteristics?

5. a) What are the impacts of developmental activities on wild life?

b) Explain the main causes of deforestation with special reference to India.

6. a) What is an environment audit? What are its objectives?

b) Explain the various stages of environmental audit?

7. a) What are the issues involved in the enforcement of environmental legislation?

b) What are the salient features of Environment Act 1986?

8. Explain the preparation of environmental impact statement of a Fertilizer Industry.


1 of 1


UTILIZATION OF ELECTRICAL ENERGY

(Electrical & Electronics Engineering)




*******

1. a) Discuss the advantages and disadvantages of electric drive over other drives.

b) Explain what you mean by "Individual drive" and" Group drive.”

Discuss their relative merits and demerits. [8+8]

2. a) Discuss the advantages of electric heating as compared to other heating methods.

Also state the desirable properties of a heating element.

b) The power required for dielectric heating of a slab of resin 150 cm2 in area and

2cm thick is 200 watts at a frequency of 30x106 Hz. The material has a relative

permittivity of 5 and power factor of 0.05. Determine the voltage necessary and

current flowing through the material. If the voltage is limited to 600 V, what

will be the value of the frequency to obtain the same heating? [8+8]

3. a) Describe with neat sketches various methods of electric resistance welding.

b) Compare DC and AC welding. [8+8]

4. a) A lamp having a uniform candle power of 200 in all directions is provided with a

reflector which directs 60 % of total light uniformly on to a circular area of 10 m

diameter. The lamp is hung 6 meters above the area. Calculate the illumination

(i) at the center (ii) at the edge of the surface with and without the reflector.

Determine also the average illumination over the area without reflector.

b) Explain any one method of measuring a brightness of light source. [8+8]

5. a) Explain with connection diagram the operation of the low-pressure fluorescent

lamp and state its advantages.

b) Prove that in a filament lamp the diameter of the filament is directly

proportional to I2/3

, where I is the current flowing in the filament. [8+8]

R07 Set No. 1

Code No: K0221

1 of 2

6. a) What are the various methods of electric braking? Explain these methods in

reference to a DC series motor.

b) Discuss the special features of electric traction motor. [8+8]

7. Explain the speed time curve for a main line service and derive the expression

��

��

�−=�

�

��

�+ 1

360011

2

12

a

m

mV

V

V

D

βα, where the symbols have their usual meaning. [16]

8. a) Explain the terms ‘dead weight’, ‘effective weight’ and adhesive weight in a

locomotive.

b) What is tractive effort of a train and what are its functions. [9+7]

R07 Set No. 1

Code No: K0221

2 of 2







*******

1. a) Compare group drive and individual drive in industrial environment.

b) What are the reasons for using load equalization in electrical drives?

Explain with example a drive requiring load equalization. [8+8]

2. What are the advantages of electric heating? Give classification of various

electric heating methods along with brief account of their working principles. [16]

3. a) What is a resistance welding? What are its limitations?

b) Describe briefly the various types of arc welding processes used in industry. [8+8]

4. a) State and explain about the laws of Illumination. Derive the relation between

E, Land I for a uniform diffused source.

b) A small light source with intensity uniform in all directions is mounted at a height

of 10 meters above a horizontal surface. Two points A and B both lie on the

surface with point A directly beneath the source. How far the point B from the

point A if the illumination at point B is only 1/10 as great as at point A. [8+8]

5. a) Discuss the flood lighting with suitable diagrams.

b) What do you understand by discharge lamp? Explain the construction and

working of high-pressure mercury lamp. [8+8]

6. a) What are the advantages and disadvantages of track electrification.

b) Explain the requirements of ideal traction and show which drive satisfies

almost all the requirements. [8+8]

R07 Set No. 2

Code No: K0221

1 of 2

7. a) Write a short note on mechanics of train movement.

b) The speed-time curve of a train consists of

i). Uniform acceleration of 6 km/hr/s for 26 seconds;

ii). free running for 10 minutes;

iii). Uniform deceleration of 6 km/hr/s to stop the train;

iv). A stop of 5 minutes.

Find the distance between stations, the average, and scheduled speeds. [8+8]

8. a) Describe the procedure for calculating the specific energy consumption of

an electric train.

b) Explain the terms

i). coefficient of adhesion

ii). tractive effort

iii). gradient [10+6]

R07 Set No. 2

Code No: K0221

2 of 2







*******

1. a) Derive an expression for the temperature rise of an electrical machine.

State the assumptions made.

b) A 200 V shunt motor has an armature resistance of 0.6 �. It takes a current of

15amps on full load and runs at 700 r.p.m. If a resistance of 0.4 � is placed in

the armature circuit, find the ratio of the stalling torque to the full load torque

and derive the expression used. [8+8]

2. a) With a neat sketch explain the working principle of coreless type

induction furnace.

b) Discuss various methods of temperature control in the resistance heating. [8+8]

3. a) Draw a neat sketch of a spot welding machine and describe its construction

and working in detail.

b) Describe with a neat sketches, various methods of electric resistance

welding. [8+8]

4. a) A lamp fitted with 120 degrees angled cone reflector illuminates circular area of

200 meters in diameter. The illumination of the disc increases uniformly from

0.5- meter-candle at the edge to 2- meter-candle at the centre. Determine

(i) the total light received

(ii) Average illumination of the disc

(iii) Average candlepower of the source.

b) What is an integrating sphere? Explain its use in illumination engineering. [8+8]

R07 Set No. 3

Code No: K0221

1 of 2

5. a) A building frontage 50 m X 15 m is to be illuminated by flood lighting projectors

situated 25 m away. If the illumination is 100 lux, coefficient of utilization is 0.5,

depreciation factor is 1.5, Waste light factor is 1.2, estimate the number and size

of projectors. Sketch the projectors recommended indicating the usual adjustments

provided.

b) Explain with sketches the constructional features of a filament lamp. [8+8]

6. a) Discuss about electric traction system in India. How it is different from

distribution system.

b) Describe how plugging and rheostatic braking are employed with

DC motors. [8+8]

7. a) For a quadrilateral speed-time curve of an electric train, derive expression for

the distance between stops and speed at the end of the coasting period.

b) A suburban electric train has a maximum speed of 70 kmph. The scheduled

speed including a station stop of 30 seconds is 45 kmph. If the acceleration is

1.5kmphps, find the value of retardation when the average distance between

stops is 4 km. [8+8]

8. a) What is coefficient of adhesion? How does it affect slipping of the driving

wheel of a traction unit?

b) Derive an expression for the tractive effect developed by a train unit. [8+8]

R07 Set No. 3

Code No: K0221

2 of 2







*******

1. a) Discuss the terms ‘continuous’, ‘intermittent’ and ‘variable’ loads with examples.

b) A motor works on 2 minute load cycle constituted as follows:

0 to 15 seconds load rising from 0 to 1050 h.p.; 15 to 85 seconds constant load

of 600 h.p.; 85 to 95 seconds regenerative braking with the h.p. returned falling

uniformly from 200 to 0 h.p.; and 95 to 120 seconds motor is at rest. Determine

the continuous rating of the motor that would be suitable for the load cycle.

Assume the rating to depend upon the (i) R.M.S value of the loading (ii) Average

value of the loading. [8+8]

2. a) What are the factors which decide the frequency and voltage of dielectric heating?

Derive the expression for the heat produced in the dielectric material.

b) Give relative advantages and disadvantages of direct and indirect electric

resistance heating methods. [8+8]

3. a) Discuss the differences between carbon and metallic arc welding and give

their relative merits and demerits.

b) What are the important components of DC and AC welding sets and explain

their functions. [8+8]

4. a) Define and explain the following terms:

(i) MHCP (ii) MSCP (iii) MHSCP (iv) Solid angle

b) What are polar curves? How it is useful to an illumination engineer. [8+8]

5. a) Compare a tungsten filament lamp with fluorescent lamp stating their merits

and demerits.

b)What are the various types of lighting schemes? Explain with relevant

diagrams. [8+8]

R07 Set No.4

Code No: K0221

1 of 2

6. a) Briefly discuss the special design features of traction motor.

b) Which system you consider the best for the suburban railways near large

cities? Give reasons for your answer. [8+8]

7. a) Discuss the main features of various train services. What type of train

services corresponds to trapezoidal and quadrilateral speed time curves.

b) A train has a scheduled speed of 50 km/hr between two stops, which are 5 km

apart. Determine the crest speed over the run, if the duration of stops is 60 sec and

acceleration and retardation both are 3 km/hr/sec each. Assume

simplified trapezoidal speed-time curve. [8+8]

8. a) What is specific energy consumption of a train? Discuss various factors

affecting it.

b) Differentiate between adhesive weight and total weight of an electric

locomotive. [8+8]

R07 Set No.4

Code No: K0221

2 of 2


PRODUCTION PLANNING AND CONTROL

(Mechanical Engineering) Time: 3 Hours Max Marks: 80



*******

1. a) Define Production Planning & Control (PPC).

b)“Production Planning & Control System is factory’s nervous system”. Justify

the statement with logical explanation.

2. a) Give your observations pertaining to the exponential smoothing constant (�)

b) Forecast the production for next two years when the production quantity for

last ten years is as follows: 200, 225, 235, 240, 255, 260, 265, 275, 270, 271

Use the following methods to compute the forecast and comment on results

i) Moving average ( 5 years)

ii) Exponential smoothing for �=0.3

3. Ten items kept in inventory are listed below. Which items should be classified as

‘A’, ‘B’ and ‘C ‘. What percentage of items is in each class? What percentage of

total annual value is in each class?

Item no 1 2 3 4 5 6 7 8 9 10

Annual use 200 100 2000 400 6000 1200 120 2000 1000 80

Price 40 360 0.2 20 0.04 0.8 100 0.7 1.00 400

4. a) Explain various steps involved in MRP system.

b) Explain the JIT Kanban working principle.

5. a) What is route sheet? What is the information it contains? Explain it by

drawing a route sheet.

b) What is the significance of loading? Explain with the help of machine load

record.


1 of 2

6. Andy Arthurson is an independent computer software consultant. After

completing his most recent project, he had five jobs awaiting completion.

Following are the estimated work times required to complete each job and due

dates requested by customers

a) Construct job sequences using the Critical ratio rule, and Slack Time

Remaining rule and

b) Compute the average flow time, and average number of jobs in the system.

7. The Basic Block Company needs to produce 4000 boxes of blocks per 40 hour

week to meet upcoming holiday demand. The process of making blocks can be

broken down into six work elements. The precedence and time requirements for

each element are as follows.

a) Draw precedence diagram for the production process

b) Determine minimum number of work stations and

c) balance efficiency.

Work element Precedence Performance time(min)

A - 0.1

B A 0.4

C A 0.5

D - 0.2

E C,D 0.6

F B,E 0.4

8. a) Explain various activities of dispatcher.

b) List out various forms raised by dispatcher? Explain any three with neat sketch.

Job Processing time Due date(days from present)

A 12 52

B 16 37

C 8 28

D 20 57

E 6 31


2 of 2

R07


PRODUCTION PLANNING AND CONTROL (Mechanical Engineering)




*******

1. a) State the objectives for which PPC department is established in a

factory system.

b) Explain the characteristics of various types of production systems.

2. The sales particular of a company a for 13 years of operation is furnished below

a) Fit simple regression for the above data

b) Forecast the sales for the 14th

year of operation.

3. a) Derive the Wilson EOQ formula. What are the practical limitations of the

EOQ formula ?

b) A company requires 10000 units of an item per annum. The cost of

ordering is Rs.100 per order. The inventory carrying cost is 20%. The unit price

of the item is Rs.10. Calculate

i) the economic order quantity

ii) Optimal total annual cost

iii) time between the orders.

4. a) Explain Enterprise Resource Planning (ERP) logic in detail.

b) With respect to LOB, explain with examples the following

i) Objective chart

ii) Program plan

Year 1 2 3 4 5 6 7 8 9 10 11 12 13

Sales 96 116 119 127 146 145 153 158 160 165 177 190 205


1 of 2

5. a) State the important factors that affecting routing procedure.

b) Explain the importance of bills of material in production control. How does it

help in assembly production?

6. a) Explain the characteristics of various scheduling policies.

b) Three jobs go over three machines M1, M2 and M3 in that order. From the

data given below, find the sequence that minimizes the total elapsed time and

find the minimum time

Jobs

7. A company makes a special type of pipe wrench. The marketing department has

estimated the demand for this product during the next six months to be as

follows:

With its current labour force, the company can make approximately 420 pipe

wrenches per month at a cost of Rs.40 per wrench using regular time production.

An additional 80 wrenches per month can be made using overtime production but

then the cost per wrench is Rs.45. Wrenches can be made in one month and held

in inventory for later shipment at a cost of Rs.3 per month per wrench. The

monthly demand for wrenches must be satisfied every month. At the end of

December, the company has 10 wrenches in inventory. The company wants to

plan its production including overtime and inventory for the next six months so as

to minimize cost while satisfying demand a) Formulate the company problem as a

transportation model and b) Develop an aggregate plan for the next six months.

8. a) What is follow up? Explain its significance in production?

b) Explain the applications of computer in Production Planning & Control.

Machines A B C

M1 1 2 3

M2 6 2 3

M3 5 6 2

Month Demand

January 370

February 430

March 380

April 450

May 520

June 440


2 of 2

R07



(Mechanical Engineering) Time: 3 Hours Max Marks: 80



*******

1. Explain various functions of production control department. Draw internal

organization chart of Production planning department.

2. A local building products store has accumulated sales data for 2x 4 lumber and

the number of building permits in its area for the past 10 quarters.

a) Develop a linear regression model for these data and determine the strength of the

linear relationship using correlation

b) If the model appears to be relatively strong , determine the forecast for lumber

given ten building permits in the next quarter.

3. a) Define inventory? Explain various functions of inventory.

b) Explain various costs associated with inventory.

4. a) What types of demand are formally considered in MRP.

b) Explain the methodology of MRP system briefly.

Quarter Building permits(X) Lumber sales(Y)

1 8 12.6

2 12 16.3

3 7 9.3

4 9 11.5

5 15 18.1

6 6 7.6

7 5 6.2

8 8 14.2

9 101 15.0

10 12 17.8


1 of 2

5. Product X is made of two units Y and three of Z. Y is made of one unit of A and two

units of B. Z is made of two units of A and four units of C.

Lead time for X is one week; Y two weeks; Z three weeks; A, two weeks, B: one

week and C:three weeks.

a) Draw the bill of material

b) If 100 units of X are needed in week 10, develop a planning schedule

showing when each item should be ordered and in what quantity?

6. Bright Expressions, a house painting contractor has five houses to paint. Following

are the estimated times required to paint each house and due date for completion.

House Estimated Time (days) Due date

Adams 2.5 8

Bradley 4.0 10

Chin 3.0 7

Dalton 5.0 14

Evans 2.0 16

a) Use the Shortest Processing Time rule to sequence the five jobs Compute average

flow time and average tardiness per job using this sequence

b) Earliest due date rule to sequence the five jobs Compute average flow time and

average tardiness per job using this sequence.

7. a) What is aggregate planning? Explain various objectives of aggregate

planning.

b) What is expediting? What are the duties of expediter?

8. List out various forms raised by dispatcher. Explain any three with neat sketch.


2 of 2

R07



(Mechanical Engineering)




*******

1. a) List out the planning functions and controlling functions separately.

b) What are differences between job shop, batch type and continuous

production systems?

2. a) Explain the characteristics of various types of forecasting briefly.

b) Alpha company has the following sales pattern during 1988 to

1996. Compute the sales forecast for 1997

Year 1988 1989 1990 1991 1992 1993 1994 1995 1996

Sales in lakhs 6 8 11 23 29 34 40 45 56

3. An engine manufacturing company stocks the items as shown in the following

table in its stores. The unit price, annual consumption quantity in terms of

units/year are also given in the same table. Classify the items into A, B, and C

categories and mention nature of control one has to exercise on each category.

Component

Code

Description Price /unit Unit/year

C001 Connecting rod 500 600

C002 Crank case 4000 600

C003 Cylinder 2000 600

C004 Cylinder head 3000 600

C005 Crank shaft 4000 600

C006 Cam 500 1200

C007 Nozzle 500 600

C008 Valve set 1000 1200

C009 Fuel injection pump 1500 600

C010 Exhaust pipe 500 600


1 of 2

4. a) List out and explain any three various segments of ERP system.

b) Define Line Of Balance (LOB)? State its objectives.

5. a) What are the reasons for scheduling? Explain how scheduling improves

process production control significantly

b) Distinguish between loading and scheduling.

6. a) List out various scheduling rules. Explain at least three of them.

b) State the standard scheduling methods. Explain at least one in detail.

7. Professional Image Briefcases is an exclusive producer of handcrafted, stylish

cases. The company assembles each case with care and attention to detail. This

work requires the completion of the six primary work elements listed here.

Work Element Precedence Time (min)

A - 30

B A 15

C B 10

D - 5

E C,D 10

F E 10

a) Draw precedence diagram for the production process.

b) Determine minimum number of work stations to assembly 50 cases in a

c) 40 hour week and

d) Balance efficiency

8. a) Describe advantages & disadvantages of dispatching jobs all at once and

operation by operation.

b) Explain the role of follow up men in production control.


2 of 2

R07


OPTICAL COMMUNICATIONS

(Electronics & Communication Engineering)




*******

1. a) Discuss the advantages of optical fibers over conventional copper cables. [8]

b) A multimode step index fiber has a relative refractive index difference of 1% and

a core refractive index of 1.5. The number of modes operating at a wave length

of 1.3µ meters is 1500. Determine the diameter of the fiber core. [8]

2. a) Explain the following [8]

i). Cut off wave length

ii). Mode field diameter.

b) Explain the bending losses in the optical fiber. [8]

3. a) Derive the expression for the wave guide dispersion and obtain the relationship

between mode number V and �. [8]

b) Explain about straight sleeve connectors. [8]

4. a) Explain internal quantum efficiency and modulation capability of LED with

suitable expressions. [8]

b) Explain about Mechanical splices with a neat diagrams. [8]

5. a) Explain about lensing schemes for coupling efficiency improvement. [8]

b) An optical source has a circular emitting area of radius 25 µm and an associated

lambertian emission pattern. Determine B0 if the amount of power coupled from

this source in to a graded index fiber with core radius as 20 µm and a parabolic

index profile as 0.735. Take n1 and n2 as 1.45 and 1.435 respectively. [8]


1 of 2

6. a) Derive an equation for SNR at the input of an optical receiver and discuss. [10]

b) Discuss the temperature effect on Avalanche gain. [6]

7. a) Discuss power budget Analysis with an example. [8]

b) Write short notes on “Overall fiber dispersion in multimode fibers”. [8]

8. a) What is the necessity of WDM? How it is different from FDM? Explain. [8]

b) Write short notes on “Measurement of Dispersion using Frequency domain

measurement technique. [8]


2 of 2

R07







*******

1. a) Explain the following in brief

i) Total internal reflection

ii) Numerical Aperture

iii) V – number

iv) Skew Rays [8]

b) Calculate the number of modes at 820 nm in a graded index fiber having a

parabolic index profile 1.90, of a 25 µ meters core radius, n1 = 1.48 and

n2 = 1.46. How does it compare to a step index fiber? [8]

2. a) Discuss briefly about radioactive losses in the optical fiber. [8]

b) Explain effective Refractive index in detail with necessary mathematical

expressions. [8]

3. a) For a fiber material dispersion parameter is 58.8 ps/nm/km. The relative spectral

width ��/� of the source is 0.0015 at the wave length of 820nm. Calculate the

RMS pulse broadening per km. [8]

b) Explain Biconical ferrule connectors with a neat diagram. [8]


1 of 2

4. a) Draw the schematic of Edge emitting double hetero junction LED and explain its

working in detail. [8]

b) A 10 µ m core diameter single mode step index fiber has a normalized frequency

of 2.0. A fusion splice at a point along its length exhibits an insertion loss of 0.15dB.

Assume only lateral misalignment contributes to the splice insertion loss, estimate

the magnitude of lateral misalignment. [8]

5. a) Explain about LED coupling to single mode fibers. [8]

b) A GaAs optical source with a refractive index of 3.6 is coupled to a silica fiber that

has a refractive index of 1.48. If the fiber end and the source are in close physical

contact, find the Fresnel reflection at the interface and power loss in dB. [8]

6. a) Explain the principle of operation of PIN photodiode with a neat diagram. [8]

b) Draw the block diagram of an optical receiver and explain its operation. [8]

7. a) Calculate the rise time limit for the optical fiber system working at 1.3 µm

wavelength and 1Gb|s bit rate over a single mode fiber with a link length of 50 km.

The rise times of the transmitter and receiver are 0.25ns and 0.35ns respectively.

The source spectral width is 3nm and the dispersion parameter is 2ps/(km-nm). [8]

b) Discuss the point to point optical link and its characteristics. [8]

8. Write short notes on

a) Measurement of “Attenuation using cut back method’’ . [8]

b) Line coding. [8]


2 of 2

R07







*******

1. a) Compare the step index fiber and graded index fibers with a neat diagram. [8]

b) A single mode step index fiber has a core diameter of 7 µm and core refractive

index of 1.49. Estimate the shortest wavelength of light which allows single mode

operation when the relative refractive index difference for the fiber is 1%.

2. a) What is absorption in optical fiber? Explain in brief the different types of

mechanism of absorption in the fiber? [8]

b) Determine the cut off wave length for a single mode optical fiber of 5µ meters core

radius having a core refractive index of 1.450. Take �= 0.002. [8]

3. a) A butt jointed fiber connection used on a multimode step index fiber with a core

refractive index of 1.42 and a relative refractive index difference of 1% has an

angular misalignment of 9o.

There is no longitudinal or lateral misalignment but

there is no a small air gap between the fibers in the connection. Estimate the

insertion loss of the connector. [8]

b) Distinguish between material dispersion and wave guide dispersion. [8]

4. a) Discuss the advantages and disadvantages of the fusion splicing and adhesive

splicing. [8]

b) Define the following with respect to LED

i) Internal Quantum efficiency

ii) Modulation capability.

iii) Power band width product [8]


1 of 2

5. a) Explain about coupling losses from the light source to the fiber. [8]

b) Explain about lensing schemes for coupling efficiency improvement. [8]

6. a) Draw a simple model of a photo detection receiver and its equivalent circuit. [6]

b) Compare digital and Analog receivers. [10]

7. a) Discuss the system considerations of optical fiber link. [8]

b) Write short notes on “Rise time budget Analysis”. [8]


a) Bidirectional WDM [8]

b) Measurement of Attenuation [8]


2 of 2

R07







*******

1. a) Briefly explain historical development of optical fiber communications. [8]

b) Prove that the total number of modes entering the step index fiber is M = V2/2. [8]

2. a) Explain the following [8]

i) Cut off wave length

ii) Mode field diameter.

b) Explain about Rayleigh scattering and Mie scattering [8]

3. a) A single mode fiber operating at the wavelength of 1.3 µ meter is found to have

a total material dispersion of 2.81ns and a total waveguide dispersion of 0.495 ns.

Determine the received pulse width and approximate bit rate of the fiber if the

transmitted pulse has a width of 0.6 ns. [8]

b) Explain about connector return losses. [8]

4. a) A mechanical splice in a multimode step index fiber has a lateral offset of 16%

of the fiber core radius. The fiber core has a refractive index of 1.49 and an index

matching fluid with a refractive index of 1.45 is inserted in the splice between the

butt Jointed fiber ends. Assuming the longitudinal or angular misalignment,

estimate the insertion loss of the splice. [8]

b) Discuss the reliability of double hetero junction Laser diode and explain how to

improve the reliability of the system. [8]

Code No: K0421 Set No.4 R07

1 of 2

5. a) Explain about Laser diode to fiber coupling [8]

b) Write short notes on “ Equilibrium Numerical Aperture”. [8]

6. a) Explain the principle of operation of an Avalanche photo diode. [8]

b) Derive an expression for receiver sensitivity. [8]

7. a) Calculate the maximum bit rate that may be achieved on the fiber link length of

50km without repeater and using NRZ format. Transmitter rise time = 4ns,

Intermodal rise time = 5ns km-1.

Intermodal rise time =1ns km-1

and Receiver

rise time =2ns. [8]

b) Discuss the system considerations of optical fiber link. [8]


a) Dispersion measurement [8]

b) Unidirectional WDM [8]

Code No: K0421 Set No.4

2 of 2

R07


MANAGEMENT SCIENCE

(Common to Computer Science & Engineering and Information Technology)




*******

1. Briefly discuss the nature of management and its process

2. List and discuss on the fourteen principles of management developed by Henry

Fayol.

3. What are the types of layout? Explain them with examples.

4. What do you mean by ABC analysis? What are its advantages?

5. Describe the nature and importance of Human Resource Management. Explain its

main objectives.

6. Define strategy. How strategy is managed?

7. Write short notes on the following

(a) MRP

(b) End User computing

(c) Value chain Analysis

8. What is difference between a schedule graph based on ES & a schedule graph

bsed on LS? Explain

R07 Set No. 1

Code No: L0521

1 of 1


MANAGEMENT SCIENCE





*******

1. Along with successful and professionally managed companies, we also find such

business orgnisations which refuse to give good service to customers and still

thrive. What do you sugest to get these organizations more professionalised?

2. Explain the three Howthrone experiements along with their implications and

conclusion.

3. What do you mean by production? Write about different types of production

methods.

4. What is marketing mix? Describe various elements of marketingmix..

5. What are the main differences between HRM and Personnel Management and

Industrial relations?

6. What is the important of environment scanning? Explain the PEST analysis in

detail.

7. Explain how modern concepts like JIT, MRP, Six Sigma changed the production

environment?

8. What is the difference between work plan and action plan?

R07 Set No. 2

Code No: L0521

1 of 1


MANAGEMENT SCIENCE





*******

1. Define Management. Explain the significance of the management

2. State and compare the X and Y theories of motivation proposed by Mc Gregor.

3. What do you mean by statistical quality control? Explain its importance in quality

control.

4. Wxplain the product life cycle stages. How marketing strategies different product

life cycle stages?

5. What do you mean by Manpower Planning? Explain the different steps in

manpower planning.

6. What are steps in strategy formulation and implementation.?

7. Explain the Six Sigma Concept and its advantages.

8. Explain the term SWOT/TOWS.

R07 Set No. 3

Code No: L0521

1 of 1


MANAGEMENT SCIENCE





*******

1. What are the social responsibilities of Management?

2. What is Decentralization? Where is it suitable? Enumerate its advantages and

disadvantage.

3. Explain in detail about Deming,s contribution to quality management.

4. What is Economic Order Quantity (EOQ)? How it is determined?

5. What are the major issues involved in wage and salary administration?.

6. What are the generic strategies that are adopted by organizations?

7. What is bench marking? How is useful?

8. Discuss the guidelines for constructing a project network.

R07 Set No. 4

Code No: L0521

1 of 1

IV B.Tech II Semester Regular Examinations, April, 2011

INDUSTRIAL POLLUTION CONTROL ENGINEERING

(Chemical Engineering)

Time: 3 hours Max. Marks: 80



*****

1. Explain in detail about the various emissions from the chemical industry and

what is their effect on environment [16]

2. a) What is BOD and what you understand about 5 day BOD as well as 21 day

BOD? [8]

b) Explain briefly about self running streams [8]

3. Mention and explain various removal techniques available for the removal of

SO2 from gaseous effluents [16]

4. a) Explain in detail about the method of analysis of CO and hydrocarbons

present air. [10]

b) What is the permissible range of SPM and RSPM for ambient air [6]

5. a) List out the suitable solvents used in absorption for control of various gaseous

pollutants. [6]

b) Discuss the basic design concepts of adsorption process. [10]

6. a) Explain bacterial growth curve. [6]

b) Discuss the process control in sludge recycle system. [10]

7. What is Ozonation step in primary treatment? Explain the role of ozone in

disinfecting water. [16]

8. a) List the advantages and disadvantages of the Open dumping methods of solid

waste disposal [8]

b) Write about the disposal of biomedical wastes. [8]

�

Set No.1 Code No. K0821 R07

1 of 1







*****

1. a) What is meant by MINAS and explain in detail ? [6]

b) What are the limits of standards for presence of lead and calcium in air? [4]

c) Explain briefly air pollution act [6]

2. a) Explain briefly about the method for determination of COD [8]

b) What are permissible limits for BOD, COD and TOC in drinking water and

give reasons [8]

3. What is VOC and explain in detail about various methods available for the

separation of these components from the air [16]

4. a) What are the pollutants that will present in the air and explain methods of their

collection as well as their analysis [10]

b) Explain the word stack sampling [6]

5. a) List out the advantages and disadvantages of i) Electro Static Precipitators;

ii) Wet collectors. [6+6]

b) Draw a schematic diagram of a parallel plate precipitator. [4]

6. a) Draw a sketch showing the sequence of operations for sludge treatment. [8]

b) Compare and contrast Suspended and Attached growth processes. [8]

7. Explain Carbon adsorption process emphasizing its use in waste water

treatment. [16]

8. a) Write short notes on biomedical waste control. [8]

b) Write about the potential methods for solid waste disposal. [8]

�

�

Set No.2 R07Code No. K0821

1 of 1

�







*****

1. a) What are the factors that led to enactment of legislation on pollution?

Discuss. [8]

b) Elucidate the need for the ‘Environmental legislation’ [8]

2. a) Write the important characteristics of effluent water [8]

b) Explain in detail about the DO and BOD estimation in water [8]

3. Explain in detail about the treatment of liquid and gaseous effluents in fertilizer

Industry. [16]

4. a) Explain the method of analyzing the NOx present in the air [8]

b) What do understand about the words SPM and RPM present in air and explain

briefly how to measure them [8]

5. a) Describe the process of cleaning gaseous equipments particulate emission

control. [10]

b) Discuss the need to control air pollution. [6]

6. a) Explain the removal of suspended solids from waste water. [10]

b) Discuss briefly the Rotary Drum Filters. [6]

7. a) Explain briefly the recovery of materials from process effluents. [10]

b) Why is a pre-treatment step necessary in treating waste water? [6]

8. a) What are the latest techniques to treat the solid waste? Explain. [8]

b) Explain “Hazardous waste management.” [8]

�

�

�

�


1 of 1

�







*****

1. Explain the approaches generally followed in environmental legislation and write

a brief note on water act of 1974. [16]

2. a) Explain in detail about the TOC estimation in water [8]

b) Write short notes on the waster effluent characteristics from petroleum industry [8]

3. Mention and explain various removal techniques available for the removal of NOx

from gaseous effluents [16]

4. a) What are the important meteorological parameters that influence the air pollution�

and also brief about the methods of measuring them? [10]�

b) Explain the method of analyzing the SO2 present in the air [6]

5. a) List and explain the chemical reactions which cause pollution in the atmosphere.[10]

b) What is collection efficiency? Give the equations to determine it. [6]

�

6. a) Elucidate the need for waste water treatment. [6]

b) Justify the statement “Secondary treatment is also called as biological

treatment.” [10]

7. a) Discuss the zone settling in detail with relevant diagrams. [10]

b) Write a short note on: Flocculation and Coagulation. [6]

8. a) What are the precautions to be taken while transportation of solid wastes like

nuclear, chemical, etc? [8]

b) Which are the places, where the solid waste can be disposed off? Explain the

disposal. [8]

�

Code No. K0821 R07 Set No.4

1 of 1

�


INDUSTRIAL ELECTRONICS

(Electronics and Instrumentation Engineering)




*****

1. a) What are the drawbacks of a basic differential amplifier? [4]

b) Draw the circuit diagram of an improved-version of instrumentation amplifier and

derive the expressions for output voltage Vo. [8]

c) Draw the circuit diagram of common emitter dc amplifier with stabilization elements

and briefly explain. [4]

2. a) Explain the following terms with reference to voltage regulators. [4]

(i) Regulation factor

(ii) Stabilization factor

b) In the given circuit estimate the values of RLmin, RLmax, RT. [8]

[Given zener is of 3Watts and 15Volts. Minimum holding current of zener is 5mA].

c) Draw the circuit of simple series voltage regulator and explain its operation. [4]

3. a) Discuss the limitations of linear voltage regulator. [4]

b) What is the principle of switched mode power supplies? Discuss its advantages

and disadvantages. [6]

c) Draw the circuit diagram to convert three terminal fixed voltage regulator to [6]

convert it as a adjustable regulator and explain its operation with relevant output

expression of Vo.


+

x

RL

30 V

3Z15A

RT

-

x

1 of 2

4. a) Draw the equivalent circuit of SCR using two transistor model and explain how it [8]

acts as a switch.

b) List out various protection methods used for proper operation of SCR and explain [8]

briefly about each method.

5. a) Why equalization network is necessary in SCR’s operation? What is meant by [8]

static equalization and dynamic equalization? Briefly discuss.

b) Why derating factor is taken into account when SCRs are operated in series or in [8]

parallel? Write expressions for series derating factor and parallel derating factor.

6. a) Draw the circuit of synchronized UJT triggering of SCR and describe its operation. [8]

b) Draw the circuit and describe the principle of operation of type B single quadrant [8]

dc chopper and draw its Vo - io characteristics.

7. a) Draw the block diagram of digital timer unit and explain its operation. [8]

b) Describe the principle of spot welding and butt welding. What are their main [8]

applications?

8. a) Describe the principle of soldering and welding by ultrasonic waves. [8]

b) What are the merits of induction heating and explain any two applications of [8]

induction heating.

Code No. K1021 Set No.1

2 of 2

R07

�

�







*****

1. a) How can you differentiate dc amplifier from ac amplifier. Justify with proper

explanation. [4]

b) Draw the circuit diagram of common emitter dc amplifier with stabilizing elements

and explain its operation. [6]

c) What is meant by drift in dc amplifiers? What are the main causes of drift and how

can drift be minimized. [6]

2. a) Draw the complete circuit of a series voltage regulator circuit using BJT’s and a

reference diode and explain the role of each component accounts for stabilization.[8+4]

b) With reference to voltage regulators, define the following terms. [4]

i) Regulation factor

ii) Stabilization factor

3. a) Compare the merits and demerits of linear and switched mode voltage regulators. [4]

b) Draw the ckt diagram to convert fixed voltage regulator 78xx into a current

source and explain its operation and design considerations. [4]

c) Draw the ckt diagram of a switched mode power supply and explain its operation

with required to relevant waveforms. [8]

4. a) Give the experimental set up to obtain output characteristic of SCR for different

values of gate current and sketch the waveform and hence obtain its firing

characteristics. [8]

b) Draw the circuit of class A commutation with RL in series with C and RL in parallel

with C and explain its performance. [8]


1 of 2

5. a) What is the purpose of equalizing network when SCRs are connected in series?

Draw the circuit of static voltage equalization for series connected SCRs and

describe it’s working. [8]

b) Draw the circuit diagram to trigger simultaneously at the same instant of time of

two SCRs connected in parallel and explain its working and the role of each

component. [8]

6. a) Draw the circuit of RC full wave firing circuit and explain how it controls the

conduction angle. Explain with the help of relevant input and output wave forms.

Also derive expression for average load current Idc. [8]

b) Draw the circuit and describe the principle of operation of four quadrant dc chopper

and also draw its Vo-io characteristic. [8]

7. a) List out various types of electric Resistance welding and describe the principle

and application of each of them. [8]

b) Draw the block diagram of electronic timer system and describe the function of

each block. [8]

8. a) List out different types of electric resistance welding and briefly explain about

each type. [8]

b) Describe the working of pulsed echo ultrasonic flaw detector. [8]

2 of 2

Code No. K1021 Set No.2 R07

�

�







*****

1. a) In what aspects dc amplifier is different from ac amplifier? [4]

b) Draw the circuit diagram of a d.c. amplifier. Using Darlington pair explain its

operation and also write expressions for Ri, Ro, Av. [8]

c) List out the properties of an ideal operational amplifier. [4]

2. a) Explain the terms with related to voltage regulators.

i) Load regulation

ii) Line regulation [4]

b) Draw the circuit diagram of a simple zener regulator and explain its operation

with the help of load characteristics. What are the limitations of this circuit? [8]

c) Draw the circuit of a simple series voltage regulator and explain how the role of

the reference diode used in the circuit. [4]

3. a) State and explain the principle of switched mode regulator. [4]

b) List out the advantages and disadvantages of switched mode regulator. [4]

c) Draw the circuit diagram of a �5V fixed voltage power supply using 78xx and

79xx and the role of each external component used. [8]

4. a) Draw the volt-amp characteristics of SCR for different values of Ig including

Ig=0 and explain about various regions. [8]

b) In the given circuit Vgg & Rg are so adjusted such that the SCR fires at 600 of

supply voltage Vm Sin�t. Sketch the voltage waveform across SCR and the load

current waveform and hence derive expressions for the average value of the

load current. [8]


1 of 2

5. a) Draw the circuit diagram for three SCRs of different ratings to trigger

simultaneously and explain its operation. [8]

b) Draw the circuit diagram to trigger simultaneously at the same instant of time

two SCRs connected in parallel and explain its operation and the role of each

component. [8]

6. a) Draw the circuit diagram of RC half wave firing circuit for SCR and describe

its working. Sketch the source waveform, voltage waveform across SCR and

load current wave form. [8]

b) Draw the circuit diagram 1Ø, Bridge type controlled converter using SCRs and

sketch the relevant waveforms? Derive expression for Vdc. [8]

7. a) Draw the circuit diagram of SCR delay timer with UJT triggering and explain

its operation. [8]

b) Draw the block circuit arrangement of AC electric resistance welding and describe

its principle of operation.

8. a) List out the merits of Induction heating and what are the applications of Induction

heating. [8]

b) Describe the working of pulsed-echo ultrasonic Flaw detector. [8]

2 of 2


+

RL

Vm Sin�t

Rg

Vgg

��

�

�







*****

1. a) List out the properties of an ideal operational amplifier. [4]

b) Draw the circuit diagram of an Instrumentation amplifier with high input

resistance and high CMRR and justify with proper explanation. Also derive

expression for the output voltage. [6+6]

2. a) Draw the circuit diagram of a typical series voltage regulator and explain its

operation in detail. [8]

b) Define the following terms with reference to regulators. [4]

i) Regulation factor

ii) Stabilization factor

c) Draw the circuit diagram of simple zener regulator and explain how regulation

is obtained in this circuit. [4]

3. a) Compare the merits and demerits of linear and switched mode voltage regulators. [4]

b) Draw the functional diagram of a low voltage regulator using LM723 to regulate

voltage from 2 V to 7 V and explain its operation. [8]

c) Draw the circuit of 7812 voltage regulator and explain the role of each external

component used. [4]

4. a) Draw the equivalent circuit of SCR using two transistor mode and explain the

behavior of the circuit. [4]

b) List out different turn-on methods of SCR and explain briefly about each method. [4]

c) Draw the circuit of class A commutation with RL in series with C and RL

in shunt with C and explain its performance. [8]


1 of 2

5. a) What is meant by sequential triggering and simultaneous triggering of SCRs

and draw the schematic circuit of each case and explain. [8]

b) What is the main advantage of optical triggering and draw the circuit and explain

for optical triggering of series connected SCRs. [8]

6. a) What is the difference between Rectifier and controlled rectifier? Draw the

circuit diagram of single phase full wave controlled rectifier with freewheeling

diode and describe its operation. Sketch the input and output waveforms. [8]

b) Draw the circuit and describe the principle of operation of four quadrant dc

chopper and also draw its Vo-io characteristics. [8]

7. a) Classify the timer based on their function and briefly describe each function

and its application. [8]

b) Draw the block diagram of digital timer unit and explain its operation. [8]

8. a) What are the merits of induction heating and explain any two applications

of induction heating. [8]

b) List out different types of electric resistance welding and briefly explain about

each type. [8]

Code No. K1021 Set No.4

2 of 2

R07


BIOMEMS (Bio-Medical Engineering)




*****

1. a) What are the Applications for bio- MEMS?

b) Explain the Advantages of MEMS and Nano Manufacturing.

[8+8]

2. a) Explain electrochemical etching with block diagram

b) What is additive process? Explain the techniques present in additive process

[8+8]

3. What is additive process? Explain the techniques present in additive process

[16]

4. a) Explain the steps in preparing the LIGA mask with schematics.

b) What are the basic safety rules in clean rooms

[8+8]

5. Explain different blocks in retinal scanning display

[16]

6. a) Explain the working principle of Thermal biomorph with neat schematic

b) Write short notes on thermal sensors.

[10+6]

7. Draw a simple series resonant Oscillator. Draw the Bode plot for low Q and for

high Q

[16]

8. a) Differentiate between the traditional assembly and micro-assembly.

b) Explain the application of MEMS In cochlear implants

[8+8]


1 of 1






*****

1. Explain MEMS Flow Sensor Based on Drag Force with necessary mathematical

equations.

[16]

2. a) What is additive process? Explain the techniques present in additive process

b) A cantilever beam having dimensions of (length: breadth: width) 100:2:2

micrometers, How much does beam bend in 1g gravity field? Assume

necessary data.

[8+8]

3. a) Describe the principle behind electrostatic Comb Drives with a schematic.

b) Elaborate the differences between additive process and subtractive process.

[8+8]

4. a) Define toxicity. Describe the poisoning effects in clean rooms.

b) Describe the types of poisons appeared in clean room process.

c) What are the types of poisoning effects?

[6+5+5]

5. a) Brief the digital micro-mirror device and DLP technology.

b) Detail the function of micro-mirror and its various applications.

[8+8]

6. Explain the concepts of scanning tunneling microscope (STM). Explain the

factors affecting the tunneling current

[16]

7. a) Describe in the terms of the power is supplied for the MEMS and its

technology.

b) Explain the analogy between mechanical and electrical Resonators with an

example

[8+8]

8. a) Discuss on the reasons associated with reliability and cost of micro-system

assembly.

b) Describe with neat sketch of plastic-encapsulated microcircuits.

[8+8]


1 of 1






*****

1. a) With a neat schematic explain, how do we do MEMS?

b) Explain wet etching with agitation and no agitation with schematic.

[8+8]

2. a) Explain the attractive forces between surfaces present in wet etching.

b) Describe Critical point drying in micro matching.

[8+8]

3. a) Describe CMOS with an example.

b) Draw and explain the CMOS inverter with a schematic.

[8+8]

4. Explain CMOS fabrication steps with simple schematics.

[16]

5. a) Explain the different types of optical switches with neat diagram.

b) Discuss the merits and demerits of the optical switches.

[10+6]

6. a) What are the advantages and disadvantages of scanning probe microscopy.

b) Explain about the atomic force microscope (AFM).

[8+8]

7. a) List out the types of power used for MEMS and its advantages.

b) Describe on thin film batteries and its usage life, its advantages and

disadvantages.

[8+8]

8. a) Explain on deterministic and stochastic process of MEMs processing.

b) Mention the applications of Neural Microprobes

[8+8]


1 of 1






*****

1. a) When does one want to use wet etching and dry etching?

b) Explain the Applications for bio- MEMS

[10+6]

2. a) What are the Applications for bio- MEMS?

b) Explain the Advantages of MEMS and Nano Manufacturing.

[8+8]

3. a) Explain the methodologies used in MEMS post processing.

b) Explain the packaging aspects of MEMS in medical area.

[8+8]

4. a) Explain the physics of fiber filtration in clean rooms.

b) Explain briefly about High efficiency particulate air filters in clean

rooms.

[8+8]

5. a) Explain the light valve and also grating technique used in it.

b) State and explain Lens maker’s equation.

[8+8]

6. a) Describe the piezo resistance, material types used in MEMs.

b) Explain about piezoresistivity, p-type material uses and application to

MEMs.

[8+8]

7. a) Define quality factor? How fast the energy dissipate in a MEMS

resonators

b) Differentiate between thin film and micro fluid cell.

[8+8]

8. a) Describe on hexsil process. Explain the various techniques involved in it.

b) Explain briefly about MEMS Drug Delivery Devices

[8+8]


1 of 1


ADVANCED COMPUTER ARCHITECTURE

(Electronics & Computer Engineering)




*******

1. (a) Summarize some of the most important functional requirements to be considered

While designing a new computer.

(b) Describe the quantitative principles of computer design for obtaining enhanced

Of performance.

2. (a) What is the role of a compiler in advanced systems? How the architect can help

the compiler writer?

(b) Describe the addressing modes usually used for signal processing operations.

3. (a) What is data Hazards? Give the different possible data Hazards.

(b) Describe the steps involved in instruction execution using hardware based

speculation.

4. (a) Explain how loop unrolling enhances the processor’s ability in instruction

level parallelism.

(b) Describe the five primary approaches for multiple issue processors (ILP)

to eliminate data and control stalls and also give their characteristics.

5. (a) How the performance of cache memory is measured ? What are the reasons

for high miss rates ?

(b) Describe the six basic cache optimizations, for improving its performance.

R07 Set No. 1

Code No: K1921

1 of 2

6. (a) What is multiprocessor cache coherence ? Describe basic schemes for enforcing

coherence.

(b) Explain the basic synchronization mechanism “lock and unlock”.

7. Summarize the fine standard levels of RAID levels, showing how eight disks of user

data must be Supplemented by redundant or check disks at each RAID level.

8. Write short notes on the following.

(a) Designing a cluster

(b) Multithreading

(c) Limitation of ILP

R07 Set No. 1

Code No: K1921

2 of 2







*******

1. (a) Describe the two important quantifiable metrics to measure dependability of

computer systems

(b) Define Amdahl’s law. How speed up of a computer system be estimated with

some enhancement made in the processor.

(c) Derive the processor performance equation.

2. (a) What are the competing forces that should be balanced when encoding an

instruction set?

(b) Give the structure of a recent compiler.

(c) Describe, with example, displacement and indexed addressing modes.

3. (a) Differentiate among three :data dependences, name dependences and control

dependences. Give examples.

(b) Describe how static branch prediction reduces the branch costs.

4. (a) Compare and contrast Hardware verses software solutions for elimination of

data and control Hazards.

(b) Describe the advanced techniques for increasing instruction delivery BW and

for implementing a speculation.

5. (a) Describe the mechanism for protecting processes from each other via virtual

memory.

(b) What is the impact of virtual machines on virtual memory and I/O.

R07 Set No. 2

Code No: K1921

1 of 2

6. (a) What are the limitations in symmetric shared memory multiprocessors.

(b) Show the way in which processors and memory modules are connected using

inter connection network In a multiprocessor system with uniform memory access.

(c ) How cache coherence is implemented in distributed memory multiprocessors.

7. (a) What is the relation between faults, errors and failure in a storage system point

of view.

(b) Classify the 4 different categories of faults.

(c) Describe the transaction processing bench marks in a storage device.

8. Write a short notes on the following

(a) Designing a I/O system

(b) Practical issues in interconnecting networks

(c) Internet Archive cluster

R07 Set No. 2

Code No: K1921

2 of 2







*******

1. (a) Describe the quantitative principles of computer design.

(b) Describe atleast 4 parameters that can be used as a measure of performance

of computers.

(c) What is the role of bench marks in measuring performance of computers?

2. (a) Describe at least three addressing modes used for control flow instructions.

(b) Name the optimizations, performed by modern compilers, based on the style

of the transformation.

(c) Describe the operations that can be supported by most instruction set architectures.

3. (a) What are the major hurdles of pipelining? Name the techniques that can help to

reduce these hurdles.

(b) How pipeline deals with branch instructions for a consistent performance?

4. (a) Describe the methodology for reducing branch costs in ILP, with prediction.

(b) Is it possible to reduce the value of performance index, CPI, below one ?

If yes,explain how?

(c) What are the primary approaches, in use, for multiple issue processors, for

hazard detection.

5. (a) Describe the techniques for reducing the miss penalty for obtaining better cache

performance and explain any one of the techniques in detail.

(b) Name any three techniques used for increasing the cache bandwidth .Explain

one of the techniques in detail.

R07 Set No. 3

Code No: K1921

1 of 2

6. (a) Give the basic structure of a centralized shared memory multiprocessor.

(b) Differentiate between loosely coupled and tightly coupled multiprocessors.

(c) Explain the multi threading in ILP.

7. (a) Name the restrictions on response time of I/O systems along with their

throughout metrics.

(b) Name the designing and evaluating goals of an I/O system.

(c) Name the 6 RAID levels and give the pros and con’s of each of the levels.

8. Write a short notice on the following.

a) Congestion management in Interconnection networks.

b) Internet archive cluster.

R07 Set No. 3

Code No: K1921

2 of 2







*******

1. (a) How the performance results of a computer system is reported?

(b) Describe the principle of locality.

(c) Name the parameters that dictates the performance of a processor. Discuss

the ways to achieve the best performance index.

2. (a) Name the 3 most common types of general purpose register computers.

Give their relative advantages and disadvantages .

(b) Describe the two addressing modes auto increment and auto decrement with

example instructions along with their meaning and usefulness.

3. (a) Describe, how to overcome data hazards with dynamic scheduling.

(b) What are the 3 key ideas used by hardware based speculation to achieve more

instruction level Parallelism? How does it maintain control dependency?

4. (a) Describe the basic VLIW approach for achieving good CPI index.

(b) Describe the advanced speculation techniques used in ILP for high performance

pipeline.

5. (a) Name at least 8 advanced optimizations of cache performance.

(b) Describe how hardware prefetching technique reduces the cache miss ratio .

(c) Name three techniques used for reducing the hit time so as to improve

cache performance .

R07 Set No. 4

Code No: K1921

1 of 2

6. (a) Give the basic architecture of a distributed memory multiprocessor system.

(b) What fraction of the original computation can be sequential, to achieve a

speed up 80 with 100 processors?

(c) Explain a synchronization mechanism in distributed shared memory.

7. (a) Name at least 4 transaction processing council benchmarks for I/O system.

(b) How the I/O system performance can be evaluated?

(c) Differentiate between synchronous I/O and Asynchronous I/O.

8. Write a short notice on the following.

(a) Characteristics and practical issues of inter connection networks.

(b) Design methodology of a cluster.

R07 Set No. 4

Code No: K1921

2 of 2


AIRCRAFT SYSTEMS AND INSTRUMENTATION

(Aeronautical Engineering)




*******

1. Describe, with neat sketches, a hydraulic system in an aircraft. [16]

2. Write short notes on the following: [16]

(a) Vapor cycle system (Freon).

(b) Oxygen regulators.

(c) Fire extinguisher.

(d) Need of cabin pressurization.

3. (a) Explain ‘Rigging’ of an airplane. [8]

(b) List out and explain in detail various control system components which one

may come across during rigging of an aero plane. [8]

4. Explain the functioning of a communication system in an aircraft. Why is it

required? [16]

5. a) What is the function of `Mechanical anti-icing' system?

b) Explain `Thermal Anti-icing' system for an airliner. [8+8]

6. a) Why does an oxygen system is listed under aircraft Utility Systems? [8]

b) With the help of a rough sketch explain a typical oxygen system for a light

twin engine airplane. [8]

7. Explain the vapor cycle system of an air conditioning unit in an aircraft. [16]

8. (a) What is meant by Fuel sediments? [6]

(b) Explain various quality check tests to be carried out on Aviation fuel. [10]


1 of 1







*******

1. Compare and contrast the two hydraulic systems-open systems and closed

systems. [16]

2. a) Define the term Mach number and explain how airspeed indicator is

modified as Mach meter. [8]

b) Describe the working of a pitot-static pressure sensing probe. [8]

3. Using a schematic layout of analog air data computer, explain the

operation of a fully powered airplane control system. [16]

4. Describe the functioning of VOR (Very High frequency Omni-Range) System? [16]

5. a) Draw the diagram of a vapour cycle cooling system and explain. [8]

b) How does a basic air cycle system differs from vapour cycle cooling

system? [8]

6. a) Explain a simple cabin heating and de-frosting system of a basic trainer

air-plane. [8]

b) Explain in detail the working of a aircraft ventilating system. [8]

7. Explain the need for limiting the pressure differential between

the inside of the cabin and outside of the cabin at different altitudes. [16]

8. a) What is the principle of operation of altitude alerting system. [8]

b) Explain the Q-code for altimeter setting as per ICAO. [8]


1 of 1







*******

1. Describe in detail the different types of Pumps in the hydraulic system of an

aircraft. [16]

2. a) With the help of a schematic arrangement explain how a Digital Air Data

Computer (ADC) works in the aircraft. [8]

b) Describe the Auto-pilot system in detail. [8]

3. a) Explain the reasons for designing a stall warning indicator. [8]

b) Draw a schematic diagram and explain take-off warning system of an airliner. [8]

4. Discuss the flight control and monitoring requirements of an aircraft. [16]

5. a) With the help of a neat sketch explain the working of the retractive system

for landing gear assembly in an aircraft. [8]

b) Describe the working principle of a pneumatic braking system employed in

aircraft. [8]

6. a) How does a ‘photo-electric cell detector’ work in a fire suppression circuit. [8]

b) With the help of a block diagram, explain the fire extinguisher circuit of Jet

Aircraft. [8]

7. Write short notes on:

a) Water separators in cabin-air conditioning system. [8]

b) Oxygen generation. [8]

8. a) Write about various protection systems, which are found commonly in use

with Aircraft electric systems. [8]

b) Draw a diagram and explain `Differential relay' in aircraft electrics. [8]


1 of 1







*******

1. Explain the different types of values in an aircraft hydraulic system. [16]


a) Oxygen masks.

b) Basic air-conditioning.

c) Fire extinguisher

d) Ventilation system.

3. a) Using a schematic layout explain the functioning of a typical fly-by-wire

system interfacing a digital computer and Air?engine data flow. [8]

b) Compare conventional control systems with power assisted flight control

sys-tems. [8]

4. Describe the navigation systems in a modern aircraft. [16]

5. a) List out the parameters that are to be monitored during the operation of an

aero engine. [8]

b) Explain a supervisory electronic engine control system of a modern airplane

with a schematic layout. [8]

6. a) List out the requirements of fire protection system. [8]

b) Draw the wiring diagram for the ‘fire warning system’ for smaller aircraft

and explain. [8]

7. Explain the air conditioning system of an airliner with the help of a block

diagram. [16]


a) Scavenge oil system.

b) Flash point of lubricating oil.

c) Fuel dump system.

d) Oil dilution systems.


1 of 1


IV B.Tech II Semester Regular Examinations, April 2011DISTRIBUTED COMPUTER CONTROL SYSTEMS

(Instrumentation And Control Engineering)Time: 3 hours Max Marks: 80

Answer any FIVE QuestionsAll Questions carry equal marks

? ? ? ? ?

1. What is data highway system and mention its application in distributed computercontrol system? [16]

2. Draw the block diagram of a digital PID controller with single input signal andderive the control law. [16]

3. Write in detail about:

(a) Centralized, Decentralized $ Multilevel optimizing structures

(b) Online Hierarchical Control. [6+10]

4. Draw a block diagram to model a virtual interface transducer. Consider an airheater system. [16]

5. Explain the major differences between SDRTS and SRSS. [16]

6. What are critical sections and explain ‘damage containment’ due to faults in multitasking system. [16]

7. Write in detail about expert systems and describe this with a suitable example.[16]

8. Explain two phase commit protocol for site failure (due to local lock) in a nonreplicated distributed data base. [16]

? ? ? ? ?

1 of 1





? ? ? ? ?

1. What are the advantages of distributed systems and mention its significance inpresent day technology? [16]

2. How do you interface digital control system with distributed computing systemwith suitable diagram? [16]

3. Write the similarities between open loop and closed loop strategy and mention theiradvantages and disadvantages. [16]

4. Draw a neat diagram and explain the structure of SDRTS notation (StructuredDesign of Real Time Systems) what are the bubbles and what do the directed linesrepresent? [16]

5. Mention the important concepts in real time control systems and mention theadvantages of implementing this system. [16]

6. Explain the problem of synchronization in replicated distributed data base. Howis the inconsistency amongst the replicas is tackled? [16]

7. Draw a sector diagram and explain the services rendered by the RTOS kernel. [16]

8. Explain with suitable examples the following issues related to design of distributeddata base:

(a) Data partition

(b) Data fragmentation

(c) Data Replication. [5+5+6]

? ? ? ? ?

1 of 1





? ? ? ? ?

1. Write about data highway system with suitable examples. [16]

2. Explain a distribuited and hierarchical Micro Computer System with neat diagram.[16]

3. What do you mean by supervising control systems and how it is implemented inpractical system and explain briefly? [16]

4. How an integrated system is useful to make distributed system more efficient andmention how these systems are interrelated? [16]

5. Explain briefly

(a) MASCOT Kernel

(b) MASOT ACP Diagram. [8+8]

6. How faults in distributed system are cleared and mention any method? [16]

7. Write in detail about expert systems in distributed systems and mention its impor-tance. [16]

8. Explain Briefly the issuses in Distribuited data base systems. [16]

? ? ? ? ?

1 of 1





? ? ? ? ?

1. Write about real time, system time in a computer controlled process. What is thesignificance of real time operating system? [16]

2. How do you use digital controller in DAC system and explain in detail with suitablefigures? [16]

3. Write in detail about the 4 layer hierarchical system with the help of a functionaldiagram. [16]

4. What is an Essential model? Describe the methods recommended by Ward andMellor for checking the correctness of the essential model. [16]

5. Explain the major differences between SDRTS and SRSS. [16]

6. Write in detail about fault tolerance and mention its effects with suitable theory.[16]

7. Draw a sector diagram and explain the services rendered by the RTOS kernel. [16]

8. What is synchronization and mention its importance in real time system? [16]

? ? ? ? ?

1 of 1

�

�


ANIMAL CELL SCIENCE AND TECHNOLOGY (Bio-Technology)




*******

1. Give a detailed illustration on somatic cell nuclear transfer technique. Mention

the potential importance of this technique in future stem cell therapy.

2. Give an account on

a) CO2 incubator

b) Micromanipulator

c) Flourescent Activated Cell sorter

3. Make a difference between culture medium and growth medium.

What is the importance of serum in growth medium?

4. Explain in detail about varoius organ culture techniques with limitations.

5. What is cytotoxicity? Explain the various methods employed for measuring

cytotoxicity in cell culture?

6. Explain about

a) Microcarrier culture

b) Culture based vaccines

c) Passaging of monolayer

7. Discuss in detail about tissue engineering by giving a note on importance of scaffolds.

8. Give a neat and labelled representation on programmed cell death.


1 of 1






*******

1. What are caspases? Give a neat illustration on programmed cell death by

giving importance of caspases in execution of apoptosis.

2. Make differences between

a) Organ culture and histotypic culture

b) Finite cell line and continous or established cell line

c) Emryonic stem cells and adult stem cells

3. Give a neat representation on passaging of monolayers and suspension cultures

by giving a note on importance of passaging.

4. Discuss in detail about various practices involved in scale up of mammalian cell culture

with applications and limitations.

5. Give an account on lab layout for mammalian cell culture and essential equipments

used in.

6. Write in short about

a) Serum free media

b) Somatic cell genetics

7. Give a neat representation on following

a) Centrifugal elutriator

b) Micromanipulator

c) Hemocytometer

8. Discuss about

a) Cell synchronization

b) Cell cloning


1 of 1






*******


a) Microcarrier culture

b) Somatic cell nuclear transfer

2. Make difference between embyonic and adult stem cells. How embryonic stem cells

can be the future tools in therapeutic treatment.

3. Write in detail about

a) Mitochondria mediated apoptotic pathway

b) Caspases and their importance

4. What is the importance of transformation in cell culture? Explain in detail about

various methods used in building transformed cell lines.


a) Enzymatic disagregation methods

b) Scaffolds and their importance in tissue engineering.

6. Explain in detail about

a) Balanced salt solution

b) Serum as a growth medium

c) Laminar air flow unit

7. Enumerate the importance of characterization of a cell line by adding note on various

methods used for characterization.


a) Methods used in measuring the growth of mammalian cells.

b) Chemical blockade methods in cell synchronization.


1 of 1






*******


a) Stem cell culture

b) Organ culture

c) Microcarrier culture

2. Discuss in brief about the role of different constituents in maintenance of chemical

physical and metabolic functions in culture medium.

3. Explain in detail about

a) MTT assay

b) Cell cloning

c) Isozyme analysis

4. Write in detail about various methods involved in cell seperation with neat diagramatic

representation.


a) Transformation by using oncogenes

b) Subculturing by using trypsin

c) Measuring growth by using particle counter

6. “Apoptosis is a natural phenomena”. Justify the statement and discuss about death

receptor pathway in programmed cell death.


a) Somatic cell hybridization

b) Cell synchronization

8. Write in detail about tissue engineering by giving a note on importance in future

therapies.


1 of 1

ms42

Documents

programmed cell death

switched mode regulator

cantilever retaining wall

adult stem cells

animal cell science

specific energy consumption

ideal operational amplifier

instruction level parallelism