Download - Eacm Nov 2015
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IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
AIR POLLUTION AND CONTROL
(Open Elective)
Time: 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) Describe different sources of air pollution. [8]
b) Discuss the effects of air pollutants on human health in detail.
[7]
2 a) With a neat sketch explain the working of a Fabric filter in removing Air
Pollutants.
[8]
b) What are the different control technologies adopted for reducing oxides of
Sulphur?
[7]
3 a) What are the primary meteorological factors that influence air pollution? [8]
b) What do you mean by atmospheric stability and explain the different types of
inversion.
[7]
4 a) Explain the various important gases in air pollutants and how they affect
mankind.
[8]
b) Explain with neat sketches, how different atmospheric conditions give rise to
different kinds of plumes.
[7]
5 a) What is Photochemical smog? How it forms? Explain. [8]
b) A plate type electrostatic precipitator for use in a cement plant for removing dust
particles consists of 12 equal channels. The spacing between the plates is 0.2m,
and the plates are 2 m high and 2 m long. The unit handles 10000m3/hr of gas.
What is the efficiency of collection? What should be the length of the plates for
achieving 99% collection efficiency if other conditions are the same? Take
particulate migration velocity as 0.1 m/s for pulverized coal fly ash.
[7]
6 a) Describe three types of combustion units used in-at-source control of air
pollution.
[8]
b) Explain the Estimation of Plume rise by using various formulae.
[7]
7 a) Describe with a neat sketch the principle and working of a centrifugal separator. [8]
b) Discuss the Air Pollution dispersion modeling for predicting ambient air pollutant
concentrations.
[7]
8 a) Describe the source correction method of air pollutants. [8]
b) Discuss the emission standards for air quality management. [7]
Code No: R41018 Set No. 1 R10
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IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
AIR POLLUTION AND CONTROL
(Open Elective)
Time: 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) Describe in detail the Natural Cycles of Environment [8]
b) Discuss the effects of air pollutants on human health in detail.
[7]
2 a) What do you mean by Green house effect? What are the substances responsible
for that? Explain the remedial measures for mitigation.
[8]
b) Describe the effect of Air Pollution on Plants and animals.
[7]
3 a) Define Air Pollution. Discuss the sources and classification of air pollution. [8]
b) What are the Primary air pollutants and secondary air pollutants? Explain the
formation of secondary air pollutants.
[7]
4 a) What is Photochemical smog? How it forms? Explain. [8]
b) Define and explain the term sampling? Explain the sampling methods of air
pollutants.
[7]
5 a) With a neat sketch explain the principle of working of an Electrostatic
Precipitator.
[8]
b) Calculate the suspended particulate matter concentration in the ambient air from
the following high volume air sampler data: Average pressure of the day at
station level = 725 mm of Hg, Average temperature = 250C, Actual sampling
time = 12 hrs, Sampling rate at the beginning = 4m3/min, Sampling rate at the
end = 3.5m3/min, Weight of filter paper before exposure = 3.467 g,
Weight of filter paper after exposure = 3.935 g.
[7]
6 a) What are the advantages of “Wet Scrubbers’ over ‘Fabric Filters’? [8]
b) Explain the Estimation of Plume rise by using various formulae?
[7]
7 a) Describe with a neat sketch the principle and working of a centrifugal separator. [8]
b) Discuss the Air Pollution dispersion modeling for predicting ambient air
pollutant concentrations.
[7]
8 a) What do you mean by Automobile Pollution and describe its control methods
with respect to catalytic converter.
[8]
b) Write a note on ambient air quality standards. [7]
Code No: R41018 Set No. 2 R10
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IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
AIR POLLUTION AND CONTROL
(Open Elective)
Time: 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) Describe different sources of air pollution. [8]
b) Discuss the effects of air pollutants on human health in detail.
[7]
2 a) What do you mean by Ozone hole? What are the substances responsible for that?
Explain the remedial measures for mitigation.
[8]
b) Write a note on ambient air quality standards.
[7]
3 a) What are the primary meteorological factors that influence air pollution? [8]
b) Explain causes and effects of inversion of atmosphere.
[7]
4 a) Explain the various important gases in air pollutants and how they affect
mankind.
[8]
b) Explain with neat sketches, how different atmospheric conditions give rise to
different kinds of plumes.
[7]
5 a) What is Photochemical smog? How it forms? Explain. [8]
b) A plate type electrostatic precipitator for use in a cement plant for removing dust
particles consists of 12 equal channels. The spacing between the plates is 0.15m,
and the plates are 3 m high and 2 m long. The unit handles 15000m3/hr of gas.
What is the efficiency of collection? What should be the length of the plates for
achieving 99% collection efficiency if other conditions are the same? Take
particulate migration velocity as 0.1 m/s for pulverized coal fly ash.
[7]
6 a) What are the advantages of “Wet Scrubbers’ over ‘Fabric Filters’? [8]
b) Explain various meteorological factors that affect the dispersion of air pollutants
in atmosphere.
[7]
7 a) Discuss the emission standards for air quality management. [8]
b) Name the global effects of air pollution and state pollutant responsible for
those effects.
[7]
8 a) Write a note on ambient air quality standards. [8]
b) Describe the source correction method of air pollutants. [7]
Code No: R41018 Set No. 3 R10
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IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
AIR POLLUTION AND CONTROL
(Open Elective)
Time: 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) What do you mean by pollution? Distinguish between primary pollutants and
secondary pollutants?
[8]
b) Write about the pollutants from mobile sources
[7]
2 a) What do you mean by Green house effect? What are the substances responsible
for that? Explain the remedial measures for mitigation.
[8]
b) What are the primary meteorological factors that influence air pollution?
[7]
3 a) Define Air Pollution. Discuss the sources and classification of air pollution. [8]
b) What are the Primary air pollutants and secondary air pollutants? Explain the
formation of secondary air pollutants.
[7]
4 a) What is Photochemical smog? How it forms? Explain. [8]
b) Define and explain the term sampling? Explain the sampling methods of air
pollutants.
[7]
5 a) With a neat sketch explain the principle of working of an Electrostatic
Precipitator.
[8]
b) A power plant burns 5.45 tones of coal per hour and discharging the combustion
production through a stack at an effective height of 75m. The coal has a sulfur
content of 4.2% and the wind velocity is 4 m/s on a hot summer day at an height
of 10m. Estimate the Ground level concentration of sulfur dioxide in µg/m3
i) along the centre line at a distance of 1.5 Km from the stack
ii) at cross wind distance 50m from the downwind distance 1.5Km.
Take σy = 36m, σz = 36m, α =0.25
[7]
6 a) With a neat sketch explain the principle of working of an Electrostatic
precipitator.
[8]
b) Describe the laboratory analysis of Sulphur-di-oxide, Nitrogen oxide and carbon
monoxide
[7]
7 a) Describe the source correction method of air pollutants. [8]
b) Discuss the emission standards for air quality management.
[7]
8 a) Describe with a neat sketch the principle and working of a centrifugal separator. [8]
b) Discuss the Air Pollution dispersion modeling for predicting ambient air pollutant
concentrations.
[7]
Code No: R41018 Set No. 4 R10
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IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
ENERGY AUDIT, CONSERVATION & MANAGEMENT
(Open Elective)
Time: 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) What is energy audit? What are the different types of audit? [8]
b) What is a load profile? Explain about different types of load profile.
[7]
2 a) Explain clearly about principles of energy management. [8]
b) Discuss the qualities and functions of an energy manager.
[7]
3 a) Explain the term luminous efficiency. [7]
b) How the existing lighting system is replaced for the improvement?
[8]
4 a) Compare the features of static capacitor and synchronous condenser used for
power factor correction.
[8]
b) Discuss the effect of non linear loads on power factor.
[7]
5 a) Explain the principle of operation of a watt-hour meter. [8]
b) Discuss the applications of power analyzer.
[7]
6 a) Discuss the energy conservation aspects in air conditioning system. [8]
b) Discuss the principles used in space heating methods.
[7]
7 a) Discuss the principle of life cycle costing analysis with an example. [8]
b) Discuss the concept of energy efficient motors.
[7]
8 a) Discuss the disadvantages of energy efficient lighting systems. [8]
b) Discuss the disadvantages of energy efficient motors. [7]
Code No: R41025 Set No. 1 R10
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IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
ENERGY AUDIT, CONSERVATION & MANAGEMENT
(Open Elective)
Time: 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) What is an energy audit? Explain the significance of energy audit. [8]
b) Explain the terms energy index and cost index with examples.
[7]
2 a) Discuss the planning aspects of energy management program. [8]
b) Discuss the controlling aspects of energy management.
[7]
3 a) Explain the significance of polar curve. [8]
b) Discuss the principle of operation of a fluorescent tube light.
[7]
4 a) Discuss the vector diagram for a system where capacitor improves the power
factor.
[8]
b) Define harmonics. Discuss the effect of harmonics on the system power factor.
[7]
5 a) Discuss the principles of operation of a data logger. [8]
b) Discuss the applications of a tong tester.
[7]
6 a) Discuss the different space heating methods. [8]
b) Discuss the energy efficient water heating systems.
[7]
7 a) Discuss the principle of present worth method with an example. [8]
b) Discuss the merits and demerits of time value of money.
[7]
8 a) Discuss the technologies adopted in energy efficient lighting systems. [8]
b) Explain the concept return on investment. [7]
Code No: R41025 Set No. 2 R10
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IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
ENERGY AUDIT, CONSERVATION & MANAGEMENT
(Open Elective)
Time: 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) Explain the energy audit in the perspective of educational institution. [8]
b) Explain the significance of pie-chart.
[7]
2 a) Discuss the principles of energy management. [8]
b) Explain the functions of energy manager.
[7]
3 a) Discuss the principle of operation of a LED light with diagrams. [8]
b) Compare the features of incandescent lamp and fluorescent lamp.
[7]
4 a) Explain the procedure for location of capacitors for improvement of power
factor.
[8]
b) What is a synchronous condenser? Explain its application for improvement of
the power factor.
[7]
5 a) Explain the principle of operation of a thermo couple. [8]
b) Explain the applications of a pyrometer.
[7]
6 a) Discuss the principle of air conditioning. [8]
b) Discuss the energy conservation aspects in ventilation of a house.
[7]
7 a) Explain rate of return method with an example. [8]
b) Discuss the merits and demerits of time value of money.
[7]
8 a) Discuss one application of life cycle costing analysis. [8]
b) Discuss the advantages of energy efficient motors. [7]
Code No: R41025 Set No. 3 R10
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IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
ENERGY AUDIT, CONSERVATION & MANAGEMENT
(Open Elective)
Time: 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) Explain the advantages of energy audit. [8]
b) List the types of energy conservation methods and discuss their merits and
demerits.
[7]
2 a) What is an energy management? Explain the importance of energy
management.
[8]
b) Discuss the qualities of a top management.
[7]
3 a) Discuss about the flood lighting scheme. [8]
b) Discuss about conservation measures in lighting schemes.
[7]
4 a) Explain the necessity for improvement of the power factor. [8]
b) Discuss the application of static capacitors for improvement of the power
factor.
[7]
5 a) Discuss the principle of operation of a pyrometer. [8]
b) Explain the principle of operation of a Lux meter.
[7]
6 a) Discuss the various principles used in the heating of buildings. [8]
b) Discuss the energy conservation aspects associated with heating in buildings.
[7]
7 a) What is time value of money? Explain with an example. [8]
b) Explain the applications of rate of return method.
[7]
8 a) Discuss the features of energy efficient motors. [8]
b) Discuss the qualities of an energy efficient lighting. [7]
Code No: R41025 Set No. 4 R10
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IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
MICRO ELECTRO MECHANICAL SYSTEMS
(Open Elective)
Time: 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) With the help of suitable diagram explain etching process. [5]
b) What is lithography? With the help of suitable diagrams explain various
lithographic techniques.
[10]
2 a) Explain the various sensing mechanisms in detail. [10]
b) What factors are affecting flow and pressure measurement by micro phone?
[5]
3 a) How do thermally activated MEMS relay works? [9]
b) Elucidate the basics of heat transfer process.
[6]
4 a) Is beam splitter a light modulator? Discuss the reasons. [7]
b) Define the terms: i) Reflection ii) Refraction
iii) Interference iv) Polarization
[8]
5 a) With suitable diagram, explain the principle of operation of magneto resistive
sensor.
[10]
b) State the applications of Magnetic MEMS actuators
[5]
6 a) Write short notes on cantilever resonators. [8]
b) Give exclusive applications of phase shifter.
[7]
7 a) Draw a schematic diagram of a diaphragm based micro pump. [8]
b) Discuss the applications of micro fluidic systems.
[7]
8 a) Explain the principle of operation of mass-sensitive chemo sensor [8]
b) Write short notes on e-nose. [7]
Code No: R41035 Set No. 1 R10
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IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
MICRO ELECTRO MECHANICAL SYSTEMS
(Open Elective)
Time: 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) Describe various steps in surface micro machining with neat sketches. [7]
b) Describe various steps in LIGA process with a neat block diagram.
[8]
2 List out various actuation methods used in MEMS. Describe the
principles of any two methods with neat sketches.
[15]
3 a) What is the function of MEMS thermo vessel chip? What are the basic design
requirements of most of micro thermo vessels?
[8]
b) Write short notes on data storage cantilever.
[7]
4 a) How many types of MEMS micro lens do you know? Explain their design
features.
[8]
b) Write short notes on micro mirror.
[7]
5 Comprehensively discuss the principle of operation of magnetic probe based
storage device.
[15]
6 a) What is an inductor? What types of MEMS inductors do you know [7]
b) Describe the principle and operation of radio frequency MEM systems.
[8]
7 With the suitable diagrams, explain the principles of following:
(i) Dielectro phoresis
(ii) Opto electro wetting
[15]
8 Write short notes on following:
(i) fluorescence detection
(ii) Sensing mechanism
(iii) Calorimetric spectroscopy.
[15]
Code No: R41035 Set No. 2 R10
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IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
MICRO ELECTRO MECHANICAL SYSTEMS
(Open Elective)
Time: 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) Explain various deposition methods used in micro fabrication and explain any
one.
[8]
b) Define and discuss the diffusion process used in MEMS industry.
[7]
2 a) With suitable diagram, describe in detail the principle of Inchworm
Technology.
[8]
b) List out the physical parameters that can be sensed by using sensory devices
[7]
3 Write short notes on following;
(i) Thermistors
(ii) Thermo Devices
(iii) Thermo couple and Thermo pile
[15]
4 a) What is wave guide? Show different types of wave guides. [8]
b) Discuss the applications of MOEMS devices.
[7]
5 Discuss the principle of operation and construction of a typical micro plate type
MEMS magnetic sensor.
[15]
6 a) What is varactor? List the advantages of MEMS varactor over the traditional
varactor.
[7]
b) Mention some of the design scenarios of RF MEMS you know.
[8]
7 a) What are three important parameters, which are considered while designing the
micro fluidic systems?
[8]
b) What are the kinds of fluid actuation methods? Explain any one.
[7]
8 a) Write down the principle of operation of a simple biochemical sensor. [8]
b) Write short notes on chemotransistors. [7]
Code No: R41035 Set No. 3 R10
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IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
MICRO ELECTRO MECHANICAL SYSTEMS
(Open Elective)
Time: 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) Give a history of MEMS manufacturing process. [7]
b) Discuss in brief structural and sacrificial materials with their examples.
[8]
2 a) How does MEMS gyroscope works. [10]
b) What do you meant by piezoelectricity?
[5]
3 a) Write short notes on micro plate type gas sensor. [8]
b) Discuss the principle of peltier effect heat pump.
[7]
4 Explain the principle of operation of various types of optical switches used in
optical communication systems.
[15]
5 a) Distinguish between magneto transistors and magnetic diodes. [7]
b) State and explain any one type of magnetic actuator with neat sketch.
[8]
6 a) Briefly discuss about resonator and filter. [8]
b) What are the limitations and advantages of radio frequency MEMS based
communication systems?
[7]
7 Write short notes on the following:
(i) Electro osmosis flow
(ii) electro thermal flow
(iii) Micro fluid dispenser
[15]
8 a) With suitable schematic diagram, explain the principle and operation of
chemocapacitor.
[10]
b) What do you meant by chem.-lab-on-a-chip (CLOC)? [5]
Code No: R41035 Set No. 4 R10
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IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
BIO-MEDICAL ENGINEERING (Open Elective)
Time: 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) Describe the man-instrument with a neat sketch. [8]
b) What are the different bioelectric potentials? Explain.
[7]
2 a) What are biochemical transducers? Explain. [8]
b) Describe the principle of operation of electrode with platinum cathode.
[7]
3 a) What are the different types of ECG recorders? Explain. [8]
b) Draw the different ECG lead configurations and explain.
[7]
4 a) Give the physiology of the respiratory system. [8]
b) Describe the working principle of respiratory therapy equipment.
[7]
5 a) What are the elements of intensive-care monitoring? Explain. [8]
b) Describe how the hospital is organized for patient-care monitoring.
[7]
6 a) Explain the working of ophthalmology instruments. [8]
b) Describe the operation of tonometer.
[7]
7 a) What are the principles of ultrasonic measurement? [8]
b) Explain how the telemetry principle is used for ECG measurements during
exercise.
[7]
8 a) Describe the working of biopotential amplifiers. [8]
b) What are the methods of accident prevention? [7]
Code No: R41048 Set No. 1 R10
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IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
BIO-MEDICAL ENGINEERING (Open Elective)
Time: 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) What are the basic objectives of any medical instrumentation system? Explain. [8]
b) Write notes on the following bioelectric potentials:
i. ECG
ii. EEG
iii. EMG
[7]
2 a) What are the transducers for biomedical applications? Explain. [8]
b) Distinguish between passive and active transducers.
[7]
3 a) Draw the block diagram showing ECG building blocks. [8]
b) What are the abbreviations and color codes used for EKG electrodes?
[7]
4 a) Explain how the lung function is measured. [8]
b) What are the most common parameters measured in spirometry?
[7]
5 Write brief notes on
a) Internal pacemakers [8]
b) External pacemakers [7]
6 Write notes on the following terms:
a) Biomaterials [8]
b) Stimulators
[7]
7 a) Write notes on X-ray and radio-isotope instrumentation. [8]
b) Write notes on telemetry for emergency patient monitoring.
[7]
8 a) What are the various shock hazards from electrical equipment? [8]
b) What are the physiological effects of electrical shock? [7]
Code No: R41048 Set No. 2 R10
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IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
BIO-MEDICAL ENGINEERING (Open Elective)
Time : 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) Describe the cross section of a depolarized cell during an action potential. [8]
b) What is action potential? Describe the process of propagation of action
potential.
[7]
2 a) Give the examples of electrodes. What is the basic principle of transducer? [8]
b) Write notes on i) Pulse sensors ii) Respiration sensors
[7]
3 a) Draw the different EKG lead configurations. [8]
b) Describe the working principle of magnetic blood flow meter.
[7]
4 Write notes on the following:
a) Plethysmograph
[8]
b) Ventilators
[7]
5 a) Draw the circuit diagram of DC defibrillator and explain its operation. [8]
b) What are the radio frequency applications for therapeutic use?
[7]
6 a) Explain the working of audiometers and hearing aids. [8]
b) What are electrophysiological tests? Expalin.
[7]
7 a) What are the different implantable units? Explain. [8]
b) What are the different physiological parameters adaptable to biotelemetry?
[7]
8 a) Explain how the isolated power distribution system is used to prevent shock
hazards.
[8]
b) Write short notes on monitors and recorders. [7]
Code No: R41048 Set No. 3 R10
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IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
BIO-MEDICAL ENGINEERING (Open Elective)
Time : 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) Explain the following terms: i) Resting potential ii) Action potential [8]
b) What are the components of man-instrument system?
[7]
2 a) Give the transduction principle of a transducer. [8]
b) What are the transducers with digital output? Explain.
[7]
3 a) Describe the working principle of magnetic blood flow meter. [8]
b) What are different methods of direct BP measurement? Explain.
[7]
4 Write notes on the following:
a) Spirometry [7]
b) Nebulizers
[8]
5 a) What is fibrillation? Describe the working principle of defibrillators. [8]
b) What are the elements of intensive-care unit? Explain.
[7]
6 a) What are clinical laboratory instruments? Explain. [8]
b) Describe how eye pressure is measured.
[7]
7 a) What do you mean by ultrasonic imaging? Expalin. [8]
b) Write notes on MRI.
[7]
8 a) Describe the working principle of biopotential amplifiers. [8]
b) What are the different types of recorders? Explain. [7]
Code No: R41048 Set No. 4 R10
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IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
OPEN SOURCE SOFTWARE
(Open Elective)
Time: 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) What is Linux? Explain the significance of Linux over other open source
operating systems.
[8]
b) What is shell? Explain various types of shells in Linux operating system.
[7]
2 a) Explain the system calls related to process scheduling. [8]
b) Write a short note on “generating signals”.
[7]
3 a) What is MySQL? Describe the basic commands to initiate a MySQL connection. [8]
b) Briefly discuss about Generating Summary.
[7]
4 a) Explain the basic grammar and structure of a PHP script. [8]
b) Describe the way to embed PHP in HTML with a suitable example.
[7]
5 a) How Security and Templates can be implemented using PHP. [7]
b) What are the Debugging techniques should know by PHP programmer.
[8]
6 a) Explain the control loops in Python and explain with syntax. [8]
b) How can we pass optional or keyword parameters from one function to another
in Python?
[7]
7 a) Explain how can we create modules in Python. What are the uses of modules? [8]
b) With a neat sketch say how the dictionaries are compared in Python.
[7]
8 Explain Perl’s regular expressions and string manipulation functions. [15]
Code No: R41057 Set No. 1 R10
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IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
OPEN SOURCE SOFTWARE
(Open Elective)
Time: 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) What is open source? Explain the significance of open source software and its
applications in detail.
[8]
b) Write about the segmentation in Linux.
[7]
2 a) What are signals and explain various signals handling mechanism in Linux? [8]
b) What is process synchronization? Explain spin locks in detail.
[7]
3 a) Brief the features of My SQL with suitable examples. [8]
b) Write a short note on Record selection Technology.
[7]
4 a) Write a PHP script that accepts a temperature value in Celsius (C) through a
Webform and converts it to the Fahrenheit (F) scale. The conversion formula to
use is: F = (9/5) * C + 32.
[8]
b) Briefly write about the control statements in PHP.
[7]
5 a) What are the steps involved in creating connection with MYSQL database using
PHP?
[8]
b) How Sending and receiving E-mails can be achieved? Explain with an example.
[7]
6 a) Explain the built-in string handling functions in Python. [8]
b) Explain how to make Forms in python.
[7]
7 a) Explain the Errors and Exception Handling in PYTHON programming
Environment.
[8]
b) What is a class? How Python can facilitate encapsulation to the programmers?
Give an example
[7]
8 a) What are modules? How they are created and used in Perl? [8]
b) Write short note on : “conversion between bases” [7]
Code No:R41057 Set No. 2 R10
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|'''|'|||''||''''''|
IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
OPEN SOURCE SOFTWARE
(Open Elective)
Time: 3 hours Max. Marks: 75
Answer any Five Questions
All Questions carry equal marks
*****
1 a) Discuss the significance of open sources with respect to today's (4)
requirements.
[7]
b) Describe the general operating systems structure.
[8]
2 a) Explain the XFS File System and its properties. [8]
b) What is the use of cloning? Explain how to implement using LINUX.
[7]
3 a) Define Metadata and explain it with example. [8]
b) Write a short note on sequences in MYSQL.
[7]
4 a) Write a PHP script to display the values entered into a Web form that contains:
●One text input field ●One text area ●One hidden field
●One password field ●One selection list ●Two radio buttons
●Two checkboxes
[8]
b) Write a short note on PHP variables.
[7]
5 a) Write a PHP program to built customer error handlers. [10]
b) How can you differentiate LDAP with MYSQL?
[5]
6 a) Write a sample program and explain the role of interpreter of Python. [8]
b) What is Python? State some programming language features of Python.
[7]
7 a) Describe about File I/O operations in Python. [8]
b) Explain Python Execution Environment in detail.
[7]
8 a) Explain the PERL’s While loops with suitable examples. [6]
b) Explain about the Data Manipulation functions in Perl. [9]
Code No:R41057 Set No. 3 R10
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|'''|'|||''||''''''|
IV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec - 2015
OPEN SOURCE SOFTWARE
(Open Elective)
Time : 3 hours Max. Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
*****
1 a) Write about LINUX file system and its organization. [8]
b) Briefly explain LINUX file system related system calls.
[7]
2 a) Describe the development with LINUX. [8]
b) Write a short note on “LINUX execution personalities”.
[7]
3 a) Describe the number of ways of Sorting Query Results using MYSQL. [8]
b) Write about Date and Time functions in MYSQL.
[7]
4 Explain PHP’s built-in string and numeric functions.
[15]
5 a) Describe PHP Connectivity in detail. [8]
b) Why LDAP is called light weight? Explain LDAP information model.
[7]
6 a) What is constructor? Explain the constructor (method) overloading concept in
detail.
[8]
b) Explain the following terms:
i) Lists
ii) Tuples
iii) Dictionaries
[7]
7 a) Explain about OOPs principles of Python. [8]
b) What is inheritance? Explain the types of inheritance with neat diagrams.
[7]
8 a) Explain the basic features of PERL. [7]
b) Write about PERL’s here documents and arrays. [8]
Code No:R41057 Set No. 4 R10
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|'''|'|||''||''''''|
Code No: N0404/R05 Set No. 1
IV B.Tech I Semester Supplementary Examinations, Nov/Dec 2015MICRO CONTROLLERS AND APPLICATIONS
( Common to Electronics & Communication Engineering, Bio-MedicalEngineering and Electronics & Telematics)
Time: 3 hours Max Marks: 80Answer any FIVE Questions
All Questions carry equal marks? ? ? ? ?
1. How does a serial data buffer can communicates data serially. [16]
2. (a) Write short notes on SFRS.
(b) Write in detail about the instruction SJMP. [8+8]
3. (a) Write a program to transfer data from register to pin 1.7 in the given program.
(b) Write a short notes of transferring data of a RAM using bit addresses. [8+8]
4. Assuming that XTAL=4MHz indicate why the TFO flag in raised for the followingprogram.
MOV TMOD, #01MOV TLO, #04HMOV THO, #12H. [16]
5. (a) Explain programming and interface for an LCD display controller which hastwo lines and sixteen characters in each line.
(b) Describe IEEE 488 bus signals and timings. [8+8]
6. (a) What are the advantages of dividing an application into multiple tasks? Whatis a task control block?
(b) Explain the mailbox. Show how a task sends message to another task waitingfor the message to start. Also show how a task sends a message pointer toanother task waiting for that to start [6+10]
7. (a) What is an internal RAM in microcontroller? How does it differ from theaddressable registers in a microcontroller 80196. Do these occupy a commonspace?
(b) What are the differences between a Harvard architecture and a Princetonarchitecture? Is it possible to have externally a processor priceton architecturefor its buses and internally the Harvard architucture? [8+8]
8. (a) Explain different data processing instructions in ARM 7 (with examples).
(b) What is Barrel shifter? How does it increase the speed of execution in ARMprocessor. [10+6]
? ? ? ? ?
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