professional ethics and intellectual property …doc4=advance in structure and semantic indexing...

Hall Ticket No: Question Paper Code: A2015

(AUTONOMOUS) B. Tech VIII Semester Regular Examinations, May - 2018

(Regulations: VCE-R14)

PROFESSIONAL ETHICS AND INTELLECTUAL PROPERTY RIGHTS

(Common to Computer Science and Engineering, Information Technology & Civil Engineering)

Date: 01 May, 2018 FN Time: 3 hours Max Marks: 75

Answer ONE question from each Unit All Questions Carry Equal Marks

Unit – I

1. a) Write about Carol Gilligan argument in her theory in moral levels. 8M b) Give an example of using ethical theories and list the uses of ethical theories.

7M

2. a) Lawrence Kohlberg’s theory on moral autonomy is based on psychology and moral development. Discuss.

8M

b) What is ethics and why one has to be ethical. 7M

Unit – II

3. a) Write notes on Balanced Outlook on Law and give an example from the past that represent the importance of law.

8M

b) What are the qualities that show responsible nature of engineers as experimenters?

7M

4. a) Write elaborate notes on Codes of Ethics. 8M b) Explain Responsibility in Experimentation. 7M

Unit – III

5. a) What is meant by the term Safety? Exemplify the real understanding of the word safety with suitable examples.

8M

b) “A risk is acceptable when those affected are generally no longer apprehensive about it”. Justify this statement by depicting influential factors that lead to such apprehension.

7M

6. a) Write short notes on the following: i. Voluntarism and control ii. Effective information on risk assessment

8M

b) Define collegiality and describe how the sociologists profess this collegiality. 7M

Unit – IV

7. a) What are the activities covered by the intellectual property rights are laid down by the World Intellectual Property Organization (WIPO)? Write about the advantages of intellectual property rights.

8M

b) Explain different types of intellectual property rights.

7M

8. a) How to acquire Trademark rights? 8M b) Summarize the procedure for trademark registration in India. 7M

Unit – V

9. a) Why patents are transferred? What are the things involved in a patent transfer? 8M b) Why Trade Secret Law is gaining significance?

7M

10. a) What is patent search? Why one should do a worldwide patent search? 8M b) What rights do copyright owners have under the Copyright Act? 7M




SOFTWARE TESTING AND QUALITY ASSURANCE (Computer Science and Engineering)


Answer ONE question from each Unit All Questions carry equal marks

Unit – I

1. a) What is software Testing? Discuss the Model for Testing. 8M b) Explain path instrumentation techniques and Discuss the branch testing (P2) criteria for

path testing.

7M

2. a) Define goals for the software Testing. Discuss the terms productivity and quality in software testing.

8M

b) Define and list the Taxonomy for Bugs.

7M

Unit – II

3. a) Explain transaction flow structure in detail. 7M b) List few common bugs with respect to domain testing.

8M

4. a) Define the following with respect to data flow testing strategies: i. All-du-paths (ADUP) strategy ii. All-uses (AU) strategy iii. All-p-uses/some-c-uses (APU+C) strategy iv. All-c-uses/some-p-uses (ACU+P) strategy

8M

b) What is meant by data-flow anomalies? How data flow testing will explore them?

7M

Unit – III

5. a) Discuss node reduction procedure in path, path expression and regular expression. 9M b) Write short notes on the following:

i. Hardware logic testing ii. Knowledge based systems

6M

6. a) Explain finding and translating the logic in detail with respect to logic based testing specifications.

8M

b) Explain the following with respect to logic based testing: i. Decision table processors ii. Decision table as a basis for test case design

7M

Unit – IV

7. a) List and explain the properties of relations. 8M b) With suitable example, discuss State Bugs.

7M

8. a) What are the principles of state testing? Explain the Limitations and extensions of State testing.

8M

b) Explain in details of Cyclomatic complexity and connection matrix.

7M

Unit – V

9. a) Explain the different types of testing tools in detail. 8M b) Explain data driven testing in WinRunner.

7M

10. a) What are the advantages and disadvantages of QTP? 8M b) Explain recording test cases of WinRunner. 7M




INFORMATION RETRIEVAL SYSTEMS (Common to Computer Science and Engineering & Information Technology)



Unit – I

1. a) What are the two major measures for an Information retrieval system? How is it accounted? Explain with example.

7M

b) Compare and contrast the relationship between DBMS and Data Warehouse.

8M

2. a) With a schematic diagram, explain the functional overview of IR system. 9M b) A school child has been introduced to the alphabets of 3 languages such as Kannada,

English and Hindi simultaneously; in total it had (48+26+48). Next day, the child was asked to write only Kannada alphabets. The child has written 42 characters out of which 29 were from Kannada, 7 from English and 6 from Hindi. Calculate the precision and Recall of the child with respect to Kannada.

6M

Unit – II

3. a) Describe the organization of PAT data structure. 5M b) You are given with the following documents:

Doc1=English tutorial and fast track Doc2= learning latent semantic indexing Doc3=book on semantic indexing Doc4=advance in structure and semantic indexing Doc5=analysis of latent structures Build term document matrix. Find the document for the query “advance AND structure AND NOT analysis”.

10M

4. a) Explain the text processing phases in an IR system. 8M b) What information is available in a natural language based indexing that is not available in

normal statistical systems? What effect does this have on the search process?

7M

Unit – III

5. a) Explain the objectives of creating a hierarchy of clusters. 7M b) With a concept explain Hidden Markov Models Techniques.

8M

6. a) Explain the different steps of the process of clustering. 8M b) Write a note on Selective Dissemination of Information Search.

7M

Unit – IV

7. a) With a neat diagram explain Text Streaming Architecture. 8M b) Write the differences between the Brute force approach and the Knuth-Pratt-Morris

approach.

7M

8. a) List out the reasons to evaluate the effectiveness of an information retrieval. 7M b) With a block diagram, illustrate identifying relevant items.

8M

Unit – V

9. a) Explain on the document models, representations and access. 8M b) Account on online IR system with document databases.

7M

10. a) How does query language address for uncertainty, proximity and weights in query expression?

10M

b) What are the conditions to treat multimedia data? 5M




HUMAN COMPUTER INTERACTION

(Information Technology)



Unit – I

1. a) Briefly discuss the importance of Good Design. 8M b) Explain the characteristics of the graphical user interface.

7M

2. a) Explain the Importance of the User Interface. 7M b) Explain the advantages and disadvantages of direct manipulation style of communication

for graphical systems.

8M

Unit – II

3. a) List out some of the human perceptual characteristics in interface design. 10M b) Write a short note on human interaction speeds.

5M

4. a) What are psychological and physical user responses to poor design? 10M b) Explain three different types of interference with respect to information processing.

How to minimize interference?

5M

Unit – III

5. a) What are the interface design goals? Discuss in detail the test for a good design. 10M b) Does visual clarity is influenced by consistency in design? If yes, justify your statement?

5M

6. a) Explain curve and line graphs of statistical graphics in detail. 8M b) Explain technological considerations in interface design.

7M

Unit – IV

7. a) Briefly discuss the features of different types of secondary windows. 8M b) Explain different kinds of Graphical Menus.

7M

8. a) Give the comparison among Modal and Modeless windows. 8M b) Briefly discuss the purpose of Toggled Menu Items.

7M

Unit – V

9. a) Explain several specific tasks are performed using graphical systems. 8M b) Briefly discuss different Characteristics of Icons.

7M

10. a) Briefly discuss the advantages and disadvantages of lightpen. 8M b) Briefly discuss the possible problems with Color usage in HCI graphics. 7M




SEMANTIC WEB AND SOCIAL NETWORKS (Information Technology)



Unit – I

1. a) List and briefly discuss different branches of Artificial Intelligence. 7M b) Explain the important features are the Semantic Web and personalization.

8M

2. a) Briefly discuss the elements that distinguish software agents from arbitrary programs. 7M b) Explain about the Information Age. 8M

Unit – II

3. a) List out drawbacks of RDF in the Knowledge Representation compared to RDFS and OWL. 7M b) Interpret the following Multiple Sentences as an RDF Statement:

i. The name of this URI (mailto: [email protected]) is Douglas R. Hofstadter ii. The type of this URI (mailto: [email protected]) is a person iii. The author of this URI (mailto: [email protected]) is isbn:0465026567 iv. The id of this URI (isbn:0465026567) is a book v. The title of this URI (isbn:0465026567) is Godel, Escher, Bach: An Eternal Golden

Braid

8M

4. a) Explain the RDF Triplicate. 8M b) Explain the sublanguages of OWL.

7M

Unit – III

5. a) Briefly discuss the most common editors used for building ontologies. 7M b) What is an inference engine? Explain different kinds of inferences.

8M

6. a) Explain three fields contribute to knowledge representation in ontology sharing and merging.

7M

b) Explain different components of spot ontology.

8M

Unit – IV

7. a) Explain about E-learning and Semantic Bioinformatics. 8M b) How to create an OWL-S ontology for web services? Explain.

7M

8. a) Explain the different phases in building web search agents. 8M b) Explain semantic search. 7M

Unit – V

9. a) Illustrate two-mode network of persons and affiliation that can be folded into a regular social network by considering the overlaps in affiliations.

8M

b) Explain the process of case of co-occurrence analysis in co-occurrences of names in web based networks.

7M

10. a) Briefly discuss the degree distribution by considering for the co-authorship network of the Semantic Web research community.

8M

b) What is Social Network Analysis (SNA)? Explain the key concepts in Social Network Analysis (SNA).

7M




SATELLITE AND RADAR COMMUNICATIONS

(Electronics and Communication Engineering)



Unit – I

1. a) Discuss the following concepts of satellite communications: i. Radio Frequency satellite link (Both up and down) ii. Satellite Transponders

10M

b) Give frequency allocations for satellite services.

5M

2. a) Explain the operation of Telemetry, Tracking, Command and Monitoring (TTC&M) sub-system, with a neat block diagram.

10M

b) Explain the six orbital elements to define a satellite orbit with a neat sketch.

5M

Unit – II

3. a) Explain the basic principle of transmission and reception of Code division multiple access in satellite communications.

8M

b) Explain the frame structure of TDMA traffic burst.

7M

4. a) From the basics of transmission theory, derive the satellite link formula. Express the formula in decibels.

8M

b) A satellite at a distance of 40,000kms from a point on earth, radiates power of 10W from an antenna with a gain of 17dB in the direction of observer. Find the flux density at the receiving point and the power received by an antenna at this point with an effective area of 10m2 in dBW.

7M

Unit – III

5. a) Derive the radar range equation with all the necessary assumptions, diagrams and equations.

7M

b) Radar mounted on an automobile to be used to determine the distance to a vehicle travelling directly in front of it. The radar operates at a frequency of 9375MHz with a pulse width of 10ns. The maximum range to be 500ft. Find the average power required to detect a 10m2 radar cross section vehicle at a range of 500ft, if the minimum detectable signal is 5x10-13W. The Radar antenna gain is 20dB with an aperture efficiency of 0.7.

8M

6. a) Explain with a neat block diagram the operation of satellite earth station. 7M b) List the radar frequencies and applications. Calculate the maximum range of a RADAR

system which operates at 3cm with a peak pulse power of 600KW if its minimum receivable power is 10-13W, capture area of its antenna is 5sq.m and the radar cross sectional area of the target is 20sq.m.

8M

Unit – IV

7. a) Explain the operation of CW radar with a neat block diagram and necessary expressions. 8M b) Calculate the Doppler frequency of a stationary CW Radar Transmitting at 4GHz when a

moving target approaches the radar with a radial velocity of 90km/hour.

7M

8. a) Explain the various types of losses in Radar system. 7M b) What is range ambiguity? Explain. What should be the PRF of radar in order to achieve a

maximum unambiguous range of 60nmi? If the radar has a pulse width of 1.5µs, what is the extent of the pulse energy in space in the range coordinate?

8M

Cont…2

:: 2 ::

Unit – V

9. a) With suitable diagram, Explain the working principle of 2-angle coordinate amplitude comparison Mono pulse tracking radar.

7M

b) Explain about Sequential Lobing technique with a neat diagram.

8M

10. a) What is the disadvantage of blind speeds in MTI Radar? Suggest some techniques to minimize blind speeds.

7M

b) The MTI Radar is used by a traffic control police to measure the speed of cars. If the Doppler frequency shift measured from the moving car is1.6KHz, calculate the speed of the car. The frequency of operation of the Radar system is 3GHz.

8M




LOW POWER VLSI DESIGN (Electronics and Communication Engineering)



Unit – I

1. a) What are the various sources of power dissipation in digital ICs? With usual notations mention the general expression for short circuit dissipation.

9M

b) Explain the need for low power VLSI design.

6M

2. a) What is gate induced drain leakage? What are its effects in low power design? 8M b) A 32 bit off-chip bus operating at 5Y and 66MHz clock rate is driving a capacitance of

25pF/bit. Each bit is estimated to have a toggling probability of 0.25 at each clock cycle. What is the power dissipation in operating the bus?

7M

Unit – II

3. a) Briefly explain the switching activity in sequential circuits. 8M b) With a flow chart explain Monte-Carlo based technique for both sequential and

combinational circuits.

7M

4. a) Explain the estimating Average Power in combinational circuits. 7M b) With an example explain the power delay models for the circuit with nominal delays.

8M

Unit – III

5. a) Draw and explain the signal flow graph for direct and transposed realization of an even length FIR system.

7M

b) Discuss Power-constrained Least-squares optimization of adaptive and non-adaptive filters.

8M

6. a) Describe the low power approach in parallel and pipelined architecture with neat figure. 7M b) Illustrate power optimization using operation reduction and substitution with suitable

example.

8M

Unit – IV

7. a) Write brief notes on: i. Drain induced barrier lowering ii. Sub threshold swing

8M

b) Write a note on short channel effect.

7M

8. a) Explain the following with respect to low voltage circuit design: i. Reverse Vgs ii. Multiple threshold voltage

8M

b) Briefly explain the short-channel threshold voltage device design issue in detail.

7M

Unit – V

9. a) Describe the operation of adiabatic SRAM core. 7M b) Briefly discuss the software power optimization methods.

8M

10. a) Draw the schematic of 2N-2N2D inverter/buffer, explain its operation. 7M b) Explain the conventional CMOS inverter, ADL CMOS inverter and compare. 8M




WIRELESS COMMUNICATIONS AND NETWORKS (Electronics and Communication Engineering)



Unit – I

1. a) Sketch a neat figure and explain the features and functionality of the cellular telephone systems. Examine how a cellular telephone call is made.

8M

b) Interpret the need and role of Wireless Local Loop (WLL). Explain the various features, advantages and trends of WLL.

7M

2. a) Examine the features and functionality of the Paging systems. With a neat figure explain the wide area paging systems.

7M

b) Illustrate the Evolution of the Mobile Radio communication with relevant example.

8M

Unit – II

3. a) Differentiate FDD and TDD. List the various tradeoffs between FDD and TDD approaches. Illustrate what is FDMA and the salient features of FDMA with relevant figure.

7M

b) Examine the SS7 protocol architecture with a neat figure comparing with OSI model. Illustrate the different services and performance of SS7.

8M

4. a) Define channel capacity and derive an expression for channel capacity of cellular systems. 7M b) What is TDMA? Illustrate the TDMA frame structure, salient features of TDMA and derive

the expression for the efficiency of TDMA.

8M

Unit – III

5. a) Mention the operations when IP data grams are exchanged over a connection between the mobile node and another host.

7M

b) Explain Discovery process in Mobile IP.

8M

6. a) Explain Registration process in Mobile IP. 7M b) Give an Architectural overview of WAP programming model.

8M

Unit – IV

7. a) Describe the various building blocks of IEEE 802.11. 7M b) What are the nine services provided by wireless LAN? Give a Brief Description of these

services.

8M

8. a) Explain the three functional areas of IEEE 802.11 medium Access control. 8M b) Discuss on usage models defined by Bluetooth profile documents.

7M

Unit – V

9. a) Illustrate the mobility management and Handoff procedure implementation in CDPD with relevant figures.

7M

b) Explain the architecture, reference model and protocol stack of Hiperlan-2 with relevant figures.

8M

10. a) What is GPRS? Illustrate the various features, services and system architecture of GPRS with a neat figure and explain its various fields.

8M

b) What is Wireless ATM? Illustrate the basic architecture of a WATM network with relevant figure.

7M




DSP PROCESSORS AND ARCHITECTURES (Electronics and Communication Engineering)



Unit – I

1. a) What is DSP? Explain the Digital signal Processing System with a neat figure. Explain the need and working of sampling process in DSP with example.

9M

b) Define DFT. What are the Advantages of FFT Algorithm? Find FFT of the sequence for

1 2 3 4X n

6M

2. a) Interpret the need of Interpolation in DSP applications and explain its working with

relevant figure and examples. Let 0 3 6 9 12x n be interpolated with L=3. If the

filter coefficients of the filters are 1 2 2 1

13 3 3 3

kb

, obtain the interpolated sequence

8M

b) Obtain the transfer function of the IIR filter whose difference equation is given by

0.9 y 1 0.1y n n x n and Realize the IIR filter with the given difference

equation showing the filter structure and the frequency response of the IIR filter.

7M

Unit – II

3. a) Explain the following types of errors in DSP implementation: i. A/D conversion Errors ii. Computational Errors

8M

b) Explain the following types of number formats: i. IEEE format for floating point numbers ii. Block floating point format

7M

4. a) Investigate the basic features that should be provided in DSP Architecture to be used to implement Nth FIR filter.

7M

b) With a neat diagram explain Arithmetic and Logic unit for DSP processor.

8M

Unit – III

5. a) Explain any four different data addressing modes of TMS320C54xx processor with examples.

8M

b) Illustrate how Pipeline increases the performance in DSP processors with relevant examples. Explain Interlocking and its uses.

7M

6. a) Explain Hardware looping with one example and explain the most common approaches to hardware loop nesting.

8M

b) Illustrate the multiplier/adder unit of TMS320C54xx processor with a neat block diagram. Assume the current contents of AR3 to be 200h, what will be its contents after each of the following TMS320C54xx addressing modes is used? Assume the contents of AR0 are 20h. i. *AR3 + 0B ii. *AR3 – 0B

7M

Cont…2

:: 2 ::

Unit – IV

7. a) Write an assembly language program to multiply two Q15 numbers. 7M b) Explain implementation of interpolation filters.

8M

8. a) Discuss the implementation of Butterfly Algorithm in DSP processor. 7M b) Explain Bit Reversed index generation.

8M

Unit – V

9. a) With the help of a block diagram, explain the McBSP of C54xx processor. 6M b) With the help of a block diagram, explain the Memory Interface for TMS320C5416

processor. Design a data memory system with address range 000800h–000FFFh for a C5416 processor, Use 2K x 8 SRAM memory chips.

9M

10. a) What is DMA? Explain how the DMA is configured and its operation on a TMS320C54xx processor. What is Register Subaddressing technique in DMA operation?

7M

b) Draw the block diagram for the PCM3002 CODEC and explain how the PCM3002 is interfaced to the TMS 320C5416 in the DSK using suitable block diagram.

8M


(AUTONOMOUS) B. Tech VIII Semester Regular/Supplementary Examinations, May - 2018


SPEECH SIGNAL PROCESSING

(Electronics and Communication Engineering)



Unit – I

1. a) Explain the anatomy and physiology of the different organ groups that contribute for speech production.

8M

b) Explain narrowband spectrogram and wideband spectrogram for analysis of speech.

7M

2. a) Classify speech sounds based on nature of the source and shape of the vocal tract. Discuss them in detail.

8M

b) With relevant mathematical expressions, discuss wave equation.

7M

Unit – II

3. a) Explain the properties of autocorrelation method motivated by Levinson recursion. 8M b) Explain computation of gain in autocorrelation method.

7M

4. a) Discuss the relation of linear prediction to the lossless tube model. 8M b) Explain the following with respect to LEVINSON Recursion:

i. PARCOR coefficients ii. Autocorrelation matching

7M

Unit – III

5. a) With an example explain the behavior of linear prediction analysis in the time domain. 10M b) Discuss the role of frame interval and voiced/unvoiced state and Pitch estimation in the

design of the analyzer and synthesizer.

5M

6. a) Explain the Linearization process in pole-zero Estimation. 7M b) Explain the behavior of linear prediction analysis in the frequency domain.

8M

Unit – IV

7. a) What is the basic principle of homomorphic systems? Explain with relevant mathematical expressions and diagrams.

7M

b) With neat diagram explain homomorphic system for convolution.

8M

8. a) Discuss the complex cepstrum of sequence with rational z-transform. 7M b) Explain the interpretation of homomorphic filtering as a linear smoothing.

8M

Unit – V

9. a) Explain the complex cepstrum of voiced speech and unvoiced speech. 10M b) Explain waveform periodicity.

5M

10. a) Explain complex spectrum of voiced speech. 6M b) With a neat diagram, explain the general framework of homomorphic analysis and

synthesis. 9M




HIGH VOLTAGE DC TRANSMISSION AND FACTS

(Electrical and Electronics Engineering)



Unit – I

1. a) With the help of neat sketch explain different components of an HVDC station. What are the main advantages of back to back HVDC systems?

9M

b) Draw the actual control characteristics of an HVDC link. How does it modify to take care of increased AC impedance on the inverter side?

6M

2. a) Compare individual pulse control and equidistant pulse control. 5M b) For a 6P bridge circuit, with usual notations, show that:

cosd do d cV V I R

When the overlap angle is less than 60 degrees.

10M

Unit – II

3. a) Explain the modeling of DC network for load flow analysis. 7M b) What are the various sources of reactive power in HVDC system? Explain any one source

of reactive power in HVDC system.

8M

4. a) What are the major types of faults on AC side of converter stations? Explain briefly. 7M b) Give the protection schemes for the following types of faults:

i. DC line over current Protection ii. Filter Bank Protection iii. Valve and bridge group protection

8M

Unit – III

5. a) What is the importance of harmonic study? Discuss the generation of harmonics by converters.

7M

b) Discuss various types of AC filters and their important characteristics.

8M

6. a) What are the non-characteristics harmonics in HVDC systems? How are they generated? 7M b) A double tuned AC filter at HVDC converter station has the following parameters.

C1=0.77micro Farad, L1=94.43milli Henry, C2=31.69micro Farad, L2=2.29milli Henry, Frequency=50Hz, V1 =400kV. Compute X1 and X2.

8M

Unit – IV

7. a) Why there is need of compensation in power systems? By controlling the magnitude of voltage explain how the reactive power control is possible.

7M

b) Write short note on: i. Thermal capability ii. Dielectric capability iii. Stability limit

8M

8. a) Describe any two shunt connected FACTs controllers 8M b) List the possible benefits of FACTs controllers. 7M

Cont…2

::2::

Unit – V

9. a) Describe the working of TSC and FC-TCR with the help of circuit diagram and VI characteristics.

8M

b) With the help of a neat diagram explain the principle of operation of GTO thyristor controlled series capacitor (GSC).

7M

10. a) Explain the functional control scheme for TSC-TCR type static VAR generator. 8M b) Write a note on Thyristor Switched Series Capacitor (TSSC). 7M




DIGITAL CONTROL SYSTEMS (Electrical and Electronics Engineering)



Unit – I

1. a) List the different types of analog to digital conversion and explain R-2R ladder network in detail.

8M

b) Compare and contrast the merits and demerits of analog control systems with digital control systems.

7M

2. a) Define the following with respect to analog to digital conversion: i. Precision ii. Accuracy

6M

b) Find the analog equivalent voltage for the two digital combinations (1000)2 and( 0100)2 if maximum voltage is 10V, using binary weighted resistor network DAC. Find the analog equivalent voltage for the same digital combinations (1000)2 and (0100)2 for the same maximum voltage of 10V if R-2R ladder network is used. Which type of DAC among the two is better? Give reasons.

9M

Unit – II

3. a) Differentiate between Z- transforms and inverse Z- transforms taking suitable examples. 7M b) Find the Z- transform of a discrete sequence:

2 0kf k for k

8M

4. a) Mention the linearity property of Z- transform and prove the same. 7M b) Discuss the merits of pulse transfer functions using relevant examples.

8M

Unit – III

5.

a) A feedback system has a closed loop transfer function

10 4

1 3

Y s s

U s s s s

Construct state model for the system and give block diagram representation for the model.

8M

b) Consider the matrix A, Compute state transition Matrix Ate where

0 1

2 3A

7M

Cont…2

::2::

6. a) A discrete time system has the transfer function:

3 2

2

4 12 13 7

1 2

Y z z z z

U z z z

Determine the state model of the system.

7M

b) The state model of a system is:

0 0 1 0

1 2 3 0 2

0 2 3 0

1 0 0

x k x k u k

y k x k

Determine whether the system is completely controllable.

8M

Unit – IV

7. a) Check for stability of the sampled data control system represented by the following

characteristic equation 3 20.2 0.25 0.05 0P z z z z .

7M

b) Explain stability analysis of sampled data control system.

8M

8. a) Discuss stability analysis using bilinear transformation. 7M b) Check the stability of the discrete system described by

3 20.25 0.25 0P z z z z , using Jury stability test.

8M

Unit – V

9. a) What are the necessary and sufficient conditions for pole placement? Elaborate. 8M b) Write a brief note on PID controllers and their application.

7M

10. Consider the regulator system given by the plant model:

1 2 1 1

1 0 1 3 0 ;

1 1 1 1

x k x k u k

By use of the state feedback control law u Kx , it is desired to place the closed loop poles at -1+j, -1-j, -3. Find feedback gain matrix K by two methods.

15M


(AUTONOMOUS) B. Tech VIII Semester Regular/Supplementary Examinations, May - 2018


EXTRA HIGH VOLTAGE AC TRANSMISSION

(Electrical and Electronics Engineering)



Unit – I

1. a) Show that the inductance per unit length of an overhead line due to internal flux leakage is constant and is independent of size of conductor.

8M

b) The configurations of some EHV lines for 400kV to 1200kV are given. Calculate req for each. 400kV : N=2, d=2r=3.18cm, B=45cm 750kV : N=4, d=3.46cm, B=45cm 1000kV : N=6, d=4.6cm, B=12d 1200kV : N=8, d=4.6cm, R=0.6m

7M

2. a) Bring out the advantages of EHVAC transmission system. 5M b) The dimensions of a 3-phase 400kV horizontal line are: H=15mtrs (height of the

conductor from the ground), S=11m (ie., the distance between first and the second conductor is 11mtrs, second and third conductor is 11mtrs and between the third and first conductor is 22mtrs), conductors 2 x 3.18cm diameter and B=45.72cm. Calculate: The matrix of inductance per km, for the untransposed configuration. The same when there is complete transposition.

10M

Unit – II

3. a) Explain surface to voltage gradient on conductors. 5M b) A sphere gap consists of two spheres with R=0.25m each. The gap between their

surfaces is 0.5mtrs. Calculate the charges and their locations to make the potentials 1 and 0.

10M

4. a) What are the properties of field of line charges? 9M b) Discuss on charge potential relations for multi conductor lines.

6M

Unit – III

5. a) State the different factors that affect the Audible noise generated in EHV lines. 6M b) Derive the relation between single phase and three phase audible noise level.

9M

6. a) Explain the generation and characteristics of audible noise. 10M b) Derive the expression for energy loss from the charge- voltage diagram with corona.

5M

Unit – IV

7. Explain the effect of high electrostatic field on humans, animals and plants.

15M

8. a) Obtain electrostatic induction on unenergised circuit of double circuit EHVAC line. 7M b) Explain the travelling wave concept with standing waves and natural frequencies. 8M

Cont…2

:: 2 ::

Unit – V

9. a) Explain the voltage control using synchronous condensers. 5M b) The following details are given for a 750kV, 3- phase line:

Resistance r=0.014ohm/km, inductance l=0.866mH/km, reactance x=0.272ohm/km at 50Hz, c=12.82nF/km giving a susceptance of y=4.0275x10-6mho/km, velocity v0=3x108m/s=3x105km/sec, line length=500kms. Calculate:

Z = L(r+jl), Y = jcl, Z00 = (l/c) The generalization constant A, B, C and D both in polar and rectangular forms For Er=750kV and |Eg|=0.98Er, determine the coordinates of the center of the receiving end power circuit diagram and the radius

Find the power angle for transmitting a load of 2000MW at 750kV at the receiving end at unity power factor.

10M

10. a) List the advantages of using static VAR system. 7M b) Explain in detail sub synchronous resonance problem and counter measures. 8M




RELIABILITY ENGINEERING (Electrical and Electronics Engineering)



Unit – I

1. a) List the properties of Binomial distribution. 8M b) Among the several causes for the malfunctioning of an electronic instrument, excessive

vibration and too much temperature variation were identified as the main causes. The record of failures maintained over a period of time gave the following information: Total number of observations : 500 Total number of failures : 40 Number of cases when the temperature variation was greater than the limit : 25 Number of cases when the temperature variation was greater than the limit : 25 What is the probability that the instrument malfunctioning was not due to excessive vibration?

7M

2.

a) The hazard model of a device is given by .Z t Derive an expression for

, ,dR t f t F t and sketch them.

7M

b) Derive an expression for maxdf t for a linearly increasing hazard model.

In the life testing of ten specimens, the time to failure for each specimen is recorded as given in table. Calculate mean time to failure from this data:

Specimen No. 1 2 3 4 5 6 7 8 9 10

Hours of survival 60 62 58 50 61 55 59 62 54 55

8M

Unit – II

3. a) Define reliability. Identify the four functions of reliability engineering. 8M b) Define maintainability, availability and failure. Give examples for each.

7M

4. a) With a neat sketch explain Bath-tub curve for failure time distribution of components. 7M b) The cut sets of a graph of a network are C1=ab, C2=ce, C3=ade, C4=bcd. Draw the

unreliability logic diagram using cut sets. Derive a general expression for the unreliability. Also find the reliability, if each component has a probability of success of 0.9.

8M

Unit – III

5. a) Derive the expression for network reliability using decomposition method:

Fig.1

8M

b) Consider the network shown in Fig.2. With each component having a failure rate of 0.02f/yr. Evaluate the system reliability after 5 years.

Fig.2

7M

Cont…2

::2::

6. a) How do you classify the system as series and parallel? Explain any one method of reliability evaluation on non-series-parallel systems.

8M

b) Derive the general expression for the reliability of the system shown in below Fig.3. Reliability of each component is 0.95.

Fig.3

7M

Unit – IV

7. a) What do you mean by absorbing states? 8M b) Derive the expression for limiting state probabilities of a 2-component repairable model

with two identical transitional rates.

7M

8. a) A computer system can operate in two different modes. Every hour, it remains in the same mode or switches to a different mode according to the transition probability

matrix: 0.4 0.6

0.6 0.4P

Compute the 2-step transition probability matrix. If the system is in Mode I at 5:30 pm, what is the probability that it will be in Mode I at 8:30 pm on the same day?

10M

b) The pattern of sunny and rainy days on the planet Rainbow is a homogeneous Markov chain with two states. Every sunny day is followed by another sunny day with probability 0.8. Every rainy day is followed by another rainy day with probability 0.6. Today is sunny on Rainbow. What is the chance of rain the day after tomorrow?

5M

Unit – V

9. a) Determine the reliability of the system using cutest method, if the reliability of each component is 0.8.

Fig.4

7M

b) It is decided to install a fire sensor in a section of chemical complex to ring an alarm I case of fire. The reliability of the primitive sensor to activate the alarm in case of fire is 0.7. The probability that the sensor will not activate the alarm in case of no fire is 0.95. How many sensors should be installed to maximize reliability that the message is sent at the right time?

8M

10. a) Calculate the reliability of the system below using tie set method if all the individual components have a reliability of 0.98.

Fig.5

7M

b) Determine the reliability of the system using network reduction method if the reliability of each component is 0.85.

Fig.6

8M




MECHANICAL VIBRATIONS AND STRUCTURAL DYNAMICS (Mechanical Engineering)



Unit – I

1. a) Differentiate between free and forced vibrations. 3M b) Derive the equation of motion and determine the natural frequency of the system

shown in Fig.1.

Fig.1

12M

2. a) Write a note on springs in series and parallel. 6M b) A vibrating system consists of a mass 5kg, spring of stiffness 120N/m and a damper with

a damping coefficient of 5N-s/m. Determine: i. Damping factor ii. Natural frequency of damped vibration iii. Logarithmic decrement

9M

Unit – II

3. a) Explain the significance of torsional vibrations in shaft. 8M b) Using Lagrange’s method, set up the equations of motion for the system shown in Fig.2

below.

Fig.2

7M

4. a) Describe Hamilton’s principle for a solid undergoing large finite deformations. 8M b) What is dynamic coupling? Write the equations of motion for the same.

1 2

2 2

1 3 2 4

0 0

00

c c

c

k km me x x

me J k l k l

7M

Cont…2

:: 2 ::

Unit – III

5. a) A beam of cross section 40080.6cm may be regarded as cantilever beam. The density is 7.83kg/m3. E=205GPa. Calculate the first three natural frequencies.

10M

b) Obtain the fundamental natural frequency of the system shown in Fig.3. Assume m1=m2=m3 and k1=k2=k3.

Fig.3

5M

6. Obtain the stiffness coefficients of the system shown in Fig.4.

Fig.4

15M

Unit – IV

7. Explain Rayeligh-Ritz method as aproximate method to determine natural frequency.

15M

8. Determine the natural frequencies and modes of vibration for the system shown in Fig.5 using matrix iteration method.

Fig.5

15M

Unit – V

9. a) What is aeroelasticity? Why is it important? 8M b) What are the different types of flutters? Give examples.

7M

10. a) Differentiate between dynamic and static aeroelasticity. 8M b) Write a note on interial coupling and its working phenomenon. 7M




POWER PLANT ENGINEERING (Mechanical Engineering)



Unit – I

1. a) What are the different methods of firing coal? Discuss the principle of over feed stokers. 10M b) Write short notes on ash handling systems.

5M

2. a) With neat sketch, explain any one method for pulverization of coal. 8M b) With neat sketch, explain the working of cyclone furnace.

7M

Unit – II

3. a) Discuss the advantages and disadvantages of a diesel power plant. 8M b) Distinguish between petrol and diesel engines.

7M

4. a) Sketch the system of fuel storage for a diesel power plant. 8M b) Highlight the advantages and disadvantages of gas turbine plant over diesel engine plant.

7M

Unit – III

5. a) What is a hydrograph? Draw some typical hydrographs and provide suitable examples for each.

8M

b) The following data relate to a proposed hydro-electric station: Available head = 28m Catchment area = 420sq.km. Rainfall = 140cm/year Percentage of total rainfall utilized = 68% Penstock efficiency = 94% Turbine efficiency = 80% Generator efficiency = 84% Load factor = 44% i. Calculate the power developed ii. Suggest suitable machines and specify the same

7M

6. a) Discuss the advantages and disadvantages of hydro-electric power plant. 8M b) With neat sketch explain the working of HAWT.

7M

Unit – IV

7. a) What is a nuclear reactor? Describe the various parts of a nuclear reactor. 10M b) Write short notes on MHD generation.

5M

8. a) With neat sketch explain the working of sodium graphite reactor. 8M b) Write short notes on radioactive waste disposal.

7M

Unit – V

9. a) With a suitable example explain load curve. 8M b) Explain demand factor and diversity factor. 7M

Cont…2

:: 2 ::

10. A load with maximum demand of 85MW and load factor 45% may be supplied by a steam

plant which supplies full load. A pump storage plant which supplies 125x106KW-hr energy per year with a maximum output of 35MW. Find cost of energy production per unit in each case, for the following data: Capital cost of steam plant – Rs.1600/KW of installed capacity Capital cost of pump storage plant – Rs.1100/KW of installed capacity Operating cost of steam plant – 5Paise/KWhr Operating cost of pump storage plant – 0.4Paise/KWhr Interest and depreciation charges should be taken as 11% and assume no spare capacity is required.

15M




TOTAL QUALITY MANAGEMENT (Mechanical Engineering)



Unit – I

1. a) Discuss the basic concepts of total quality management. 8M b) Explain the role of senior management while implementing TQM.

7M

2. a) Explain Deming’s philosophy of quality improvement. 7M b) Discuss the obstacles to implement TQM principles.

8M

Unit – II

3. a) Explain customer perception of quality. 8M b) Discuss the need and importance of employee motivation.

7M

4. a) Explain juran triology of continuous process improvement. 7M b) Discuss the 5S concepts related to process improvement.

8M

Unit – III

5. a) List the steps in constructing a cause and effect diagram. 8M b) Identify the new management tools used in TQM.

7M

6. a) List and explain the control chart for attributes. 8M b) What are the measures of central tendency and dispersion? Explain with examples.

7M

Unit – IV

7. a) What is bench marking, explain the procedure involved in it. 8M b) Discuss the benefits of benchmarking process in ideal case.

7M

8. a) Describe taguchi quality loss function as one of the TQM tool. 7M b) Discuss the stages of FMEA with an example.

8M

Unit – V

9. a) Enumerate the different types of quality audit and explain. 8M b) Analyze the ISO 14000 – ENVIRONMENTAL MANAGEMENT SYSTEM.

7M

10. a) What are the six requirement of ISO 14001? 8M b) List the benefits of environmental management system. 7M




INDUSTRIAL WASTE AND WASTE MANAGEMENT (Civil Engineering)



Unit – I

1. a) Write a short note on: i. Equalization of wastes ii. By product recovery

7M

b) Write critical notes on Waste Strength Reduction by: i. Process changes ii. Equipment modification

8M

2. a) What are the general requirements of water quality to be used in textile processing industry?

7M

b) Identify the different categories of industrial waste. Explain them with examples.

8M

Unit – II

3. a) Explain the effect of pollution on streams. 10M b) Explain the use of Municipal Waste Water in industries.

5M

4. a) What does industrial waste water recirculation mean? ‘Water reuse is no longer a choice, It’s a necessity’. Justify the statement.

5M

b) Describe the effect of pollution on oceans.

10M

Unit – III

5. Provide a flow diagram of a Kraft pulp and paper mill. Explain the process flow with an example.

15M

6. a) Write notes on the effects of the tannery waste on receiving waters and sewers. 7M b) Explain the treatment methods of the dairy wastes.

8M

Unit – IV

7. a) Discuss about the effects of steel plant waste on receiving water. 7M b) Indicate the manufacturing process of a sugar industry indicating the vantage points

where waste water is generated.

8M

8. a) Write about the sources of waste water from a typical petroleum Oil refinery. 7M b) Discuss the effects of the cotton textile and woolen textile mill wastes on receiving

streams/sewers.

8M

Unit – V

9. a) List out the advantages of CETP. 7M b) Explain the Effluent disposal methods in brief.

8M

10. a) What is the basis on which CETPs are designed? 7M b) Discuss about the problems and constraints of a CETP.

8M




TRAFFIC ENGINEERING (Civil Engineering)



Unit – I

1. a) Explain Time mean speed and Space mean speed. 7M b) Explain the relationship between time mean speed and space mean speed.

8M

2. a) Define PCU and explain the methods of measuring Spot speeds. 7M b) Explain the uses of Origin and Destination Study, and define the term Desired lines.

8M

Unit – II

3. a) With a neat sketch describe levels of service adopted as per HCM manual. 8M b) Explain the importance of capacity in highway transportation studies.

7M

4. a) Explain in brief about the steps involved in calculation of LOS for a national highway with access control.

8M

b) Comment on level of service for a multilane rural highway without access control.

7M

Unit – III

5. a) Write any four advantages and disadvantages of traffic signal. 7M b) Define the term cycle, Cycle length, Change interval, and Clearance interval.

8M

6. a) Explain the measures to reduce noise pollution. 7M b) Explain the importance of Traffic control and Regulations.

8M

Unit – IV

7. a) Discuss about the critical locations at which parking should be prohibited in a road stretch.

8M

b) Enumerate the methodology adopted in parking survey by patrol method.

7M

8. a) Comment upon the location and design standards to be maintained in multi-storey car parks.

8M

b) Correlate the road width with parking space inventory for formulating a parking plan.

7M

Unit – V

9. a) Explain the role of driver as a factor causing accident in detail. 8M b) Enlist and explain the various types of pavement marking used in national highway.

7M

10. a) Brief out the following with an point of application in road stretch: i. Warning Signs ii. Regulatory Signs iii. Information Signs

8M

b) Justify the requirements of 3 E’s in reducing the number and severity of accidents. 7M

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