Question Paper Code : B4205 (AUTONOMOUS) I M. Tech II

Hall Ticket No: Question Paper Code : B4205

(AUTONOMOUS) I M. Tech II Semester Regular Examinations, May - 2019

(Regulations: VCE-R18)

ADVANCED ALGORITHMS (Computer Science and Engineering)

Date: 20 May, 2019 Time: 3 hours Max Marks: 70

Answer All Questions from Part-A Answer ONE question from each Unit in Part-B

PART-A

1. a) With an example, explain performance analysis of an algorithm in terms of time complexity.

4M

b) Define Spanning tree. Give minimum cost spanning tree for the Fig.1.

Fig.1

4M

c) Define Dynamic Programming. Give general steps involved in Dynamic programming. 4M

d) Give bi-connected components of the Fig.2.

Fig.2

4M

e) Write Nondeterministic sorting algorithm.

4M

PART-B

Unit-I

2. a) Explain different asymptotic notations. 5M b) State Master Theorem. Solve the following recurrence relations using Master

Theorem: i. T(n)=2T(n/2)+ n ii. T(n)=T(2n/3)+1

5M

3. a) Write an algorithm to find the maximum and minimum items in a set of ‘n’ element. 5M b) State and Explain Strassen’s Matrix Multiplication. Gives time complexity and

Recurrence relation for Strassen’s Matrix Multiplication.

5M

Unit-II

4. a) Consider the Fig.3 explain steps involved in finding minimum cost spanning tree using Prime’s algorithm.

Fig.3

5M

b) Explain the concept of profit per unit weight in Real knapsack problem.

5M

Cont…2

::2::

5. a) Write note on Optimal storage of programs on tapes.

5M

b) Find shortest path from source vertex ‘s’ to all remaining vertices in Fig.4 directed graph using single source shortest path algorithm.

Fig.4

5M

Unit-III

6. a) Write an algorithm for 1/0 knapsack problem. 5M b) Define preemptive and non-preemptive task scheduling. Two jobs have to be

scheduled on three processors, task times are given by the matrix J. Give two possible schedule for the matrix J.

2 0

3 3

5 2

I

5M

7. a) Give an example of how to use dynamic programming to solve a problem with a multiplicative optimization function.

5M

b) Write and explain All pair shortest path algorithm.

5M

Unit-IV

8. a) Define DFT of a vector and also compute the DFT of the vector (0, 1, 2, 3). 5M b) Define topological sorting. Write Topological sort algorithm.

5M

9. a) Describe n-queue problem. Discuss how back-tracking can be used to solve the problem.

5M

b) State Graph coloring problem. Explain how to find valid colorings using back-tracking.

5M

Unit-V

10. a) Write the nondeterministic algorithm for Knapsack problem. 5M b) Construct state space tree for finding optimal tour using branch and bound for cost

matrix of tour as shown below matrix.

20 30 10 11

15 16 4 2

3 5 2 4

19 6 18 3

16 4 7 16

5M

11. a) Describe the following terminology: i. P ii. NP iii. NP-complete iv. NP-hard

5M

b) Describe Cook’s Theorem. 5M


(AUTONOMOUS) I M. Tech I Semester Supplementary Examinations, May - 2019


CLOUD COMPUTING (Computer Science and Engineering)



PART-A

1. a) Write about three cloud computing components. 4M

b) What are the plausible security concerns in cloud? 4M

c) What are the pros and cons of SaaS? 4M

d) Explain about S3. 4M

e) Brief about the architecture of VMware.

4M

PART-B

Unit-I 2. a) Differentiate utility and cloud computing. 5M b) Illustrate full virtualization and para-virtualizatoin.

5M

3. a) Write about the key components of the Microsoft cloud. 5M b) Write about HaaS.

5M

Unit-II

4. a) When can you use cloud? 5M b) What are the limitations of the cloud?

5M

5. Will data be compromised or damaged from all the flying around it has to do? Provide the analogy for the same w.r.t cloud.

10M

Unit-III

6. a) What are the operation and economic benefits of the cloud? 5M b) What’s the best way for a company to move to the cloud? 5M 7. a) Write about Web 2.0 and applications of the cloud. 5M b) Write in detail about salesforce.com.

5M

Unit-IV

8. a) What are the security concerns to be validated in terms of security and network in cloud?

5M

b) Write about S3 storage mechanism and design principles.

5M

9. List different requests in HTTP.

10M

Unit-V

10. a) “Cast Iron offers the choice of a completely cloud-based integration service or an on-premise integration appliance”! Explain.

5M

b) Write about Google app engine.

5M

11. a) Differentiate between server virtualization, application virtualization and presentation virtualization.

5M

b) Describe VMware features. 5M




COMPUTER VISION AND PATTERN RECOGNITION (Computer Science and Engineering)



PART-A

1. a) Discuss the concept of Reflection and refraction at the interface between two homogeneous media.

4M

b) Explain the properties of Qualitative Radiometry. 4M

c) Briefly discuss difficulties with the Additive Stationary Gaussian Noise Model. 4M

d) Write a brief note on Bayesian decision theory. 4M

e) What are eigen vectors and eigen faces?

4M

PART-B

Unit-I

2. a) Briefly discuss the relationship between Object radiance and image irradiance. 5M b) Justify the statement “Radiance is Constant Along a Straight Line”.

5M

3. a) What are Aberrations? Explain different types of Aberrations. 5M b) Write a brief note on Lambertian Surfaces and Albedo.

5M

Unit-II

4. a) Explain different types of geometrical source models. 5M b) Briefly discuss the significant properties of Shift invariant linear systems.

5M

5. a) Explain the working principle of Interreflection Model. 5M b) What is sampling? Explain one dimensional and two dimensional sampling techniques.

5M

Unit-III

6. a) Explain the usage of Laplacian to Detect Edges. 5M b) Write the algorithm for building a Laplacian pyramid from an image.

5M

7. a) Illustrate the process of Gradient Based Edge Detectors. 5M b) Explain the process of Histogram Equalization.

5M

Unit-IV

8. a) Explain different stages involved in the design of a classification system. 5M b) Explain normal density and discriminant functions.

5M

9. a) Briefly discuss different methods in linear classifier. 5M b) Write a brief note on Maximum-likelihood estimation.

5M

Unit-V

10. a) Explain different Gaussian mixture models. 5M b) Explain the working of decision hyperplanes.

5M

11. a) Explain the working principle of support vector machines. 5M b) Explain expectation-maximization method. 5M




INFORMATION RETRIEVAL SYSTEMS (Computer Science and Engineering)



PART-A

1. a) Define Information retrieval System. List the objectives of information retrieval System. 4M

b) Explain the Bayesian Model. 4M

c) Explain the different areas that information visualization and presentation can help the user.

4M

d) List out the reasons to evaluate the effectiveness of an information retrieval. 4M

e) Explain the indexing and searching in multimedia information retrieval.

4M

PART-B

Unit-I

2. a) With a neat diagram, explain Text Normalization Process. 5M b) Compare and contrast Index Database Search and Multimedia Database Search.

5M

3. a) How does the process of information extraction differ from the process of document indexing?

5M

b) “Amore formal definition of a discrete Hidden Markov Model is summarized by Mittendorf and Schauble” Justify.

5M

Unit-II

4. a) Compare and contrast Manual Clustering and Automatic Term Clustering. 5M b) Can statistical thesaurus generation be used to develop a hierarchical cluster

representation of a set of items? Discuss the value of creating the hierarchy and how you would use it in a system.

5M

5. a) With a concept, explain ranking algorithm. 5M b) What are some potential ambiguities in use of relevance feedback on hypertext

documents?

5M

Unit-III

6. a) Discuss the guidelines (not hard constraints) on the characteristics of the classes. 5M b) Write a note on Selective Dissemination of Information Search.

5M

7. a) With a neat diagram, explain Text Streaming Architecture. 5M b) Write the differences between the Brute force approach and the Knuth-Pratt-Morris

approach.

5M

Unit-IV

8. a) What are the problems associated with generalizing the results from controlled tests on information systems to their applicability to operational systems? Does this invalidate the utility of the controlled tests?

5M

b) What is the relationship between precision and TURR.

5M

9. a) With a block diagram, explain Four Algorithms With Overlap of Relevant Retrieved. 5M b) What are the main issues associated with the definition of relevance? How would you

overcome these issues in a controlled test environment? 5M

Cont…2

:: 2 ::

Unit-V

10. a) With a block diagram, explain crawling the web. 5M b) Explain briefly about models and languages used in multimedia information retrieval.

5M

11. Write note on: i. OPACs ii. Query language

10M




ANALOG AND DIGITAL CMOS VLSI DESIGN (Digital Electronics and Communication Systems)



PART-A

1. a) List and Define any four quality metrics of a digital design. 4M

b) Describe the concept of ratioed logic in static CMOS designs. 4M

c) Write the importance of pipelining. Illustrate Latch Vs Register Based Pipelines. 4M

d) Explain briefly CS stage with resistance load of single stage amplifier. 4M

e) Draw the differential pair with current source load in frequency response of amplifier and explain about it.

4M

PART-B

Unit-I

2. a) Design the stick diagram and layout for 2-input CMOS NOR gate indicating all the regions.

5M

b) With neat diagram, explain the DC transfer characteristics of CMOS inverter.

5M

3. a) Briefly explain the dynamic behavior of CMOS inverter. 5M b) Define and explain switching threshold and noise margin of CMOS inverter.

5M

Unit-II

4. a) Illustrate the design techniques for large fan-in. 5M b) With neat diagram explain voltage transfer characteristics for the pass transistor AND

gate.

5M

5. a) Draw the CMOS schematic for four input pseudo nMOS NOR and NAND gates and compare these operations.

5M

b) Discuss the leakage issues in dynamic CMOS logic.

5M

Unit-III

6. a) With neat diagram, briefly explain C2MOS based dual edge triggered register. 5M b) Briefly explain the Schmitt trigger of non bi-stable sequential circuits.

5M

7. a) Draw the schematic diagram of Pseudo-static two-phase D register of non ideal clock signals in master slave edge triggered registers and explain its operation.

5M

b) Design Multiplexer-based nMOS latch by using nMOS-only pass transistors and explain its operation with neat waveforms.

5M

Unit-IV

8. a) Illustrate the principle of cascode stage of single stage amplifiers with the help of neat sketch.

5M

b) Briefly explain the working principle of Gilbert cell with neat sketch.

5M

9. a) Briefly describe CS stage with current source load with neat circuit and relevant equations.

5M

b) With circuit and equations, explain common gate stage with direct and capacitive coupling at input.

5M

Unit-V

10. a) Briefly explain the differential pair active current mirror with large signal input-output characteristics.

5M

b) Discuss the effect of high frequency supply noise in differential pairs.

5M

11. a) Explain cascode current mirror with neat sketch and write relevant equation. 5M b) Draw high frequency model of a cascode stage and explain about it. 5M




ADVANCED DIGITAL SIGNAL PROCESSING (Digital Electronics and Communication Systems)



PART-A

1. a) Differentiate between transfer function of IIR and FIR filters. 4M

b) Differentiate QMF filter with normal digital filter. 4M

c) Discuss the Linear Prediction with respect to optimum filters. 4M

d) Explain the system identification and noise cancellation using adaptive filter. 4M

e) Differentiate between parametric and non parametric method of power spectrum estimation.

4M

PART-B

Unit-I

2. a) Design a linear phase low pass Butterworth filter using Bilinear transformation to meet the following specifications. Take T=2sec. Pass band ripple≤ 1.25 dB Pass band edge =200Hz Stop band attenuation ≥ 15dB Stop band edge= 400Hz Sampling frequency= 2kHz.

5M

b) Design a linear phase lowpass FIR filter with 7 taps and cut-off frequency of Wc=0.3π

using the frequency sampling method.

5M

3.

a) The transfer function of analog low pass filter is given by)1()1(

)1()(

22

sss

ssH

Find H(Z) using Impulse invariance method. Take T=1sec.

5M

b) Obtain the direct form II, cascade and parallel structures for the following

difference equation. ).1(3

1)()2(

8

1)1(

4

3)( nxnxnynyny

5M

Unit-II

4. a) Explain sampling rate conversion using decimation and interpolation factors. 5M

b) Derive the frequency domain transfer function of decimator with decimation factor M.

5M

5. a) Discuss the significance of multistage decimator and interpolator in multi rate

sampling.

5M

b) Explain in brief QMF and sub band coding in digital filter.

5M

Unit-III

6. a) Describe the design equations for FIR Wiener filter with minimum mean-square

estimation.

5M

b) Explain the noise cancellation application using wiener filter.

5M

Cont…2

:: 2 ::

7. a) Describe the properties of linear prediction error filters. 5M

b) Explain the need of multistep linear prediction in signal processing. 5M

Unit-IV

8. a) Describe recursive least square algorithm for an adaptive filters. 5M b) Explain through equation the importance of minimum mean square criterion cost

function.

5M

9. a) Describe Adaptive Linear filter prediction using LMS algorithm. 5M b) Explain the Gradient Adaptive Lattice filter algorithm.

5M

Unit-V

10. a) Explain Power Spectrum estimation using modified periodogram method. 5M

b) Briefly explain the properties of periodogram.

5M

11. a) Derive the expression for mean and variance of Welch method. 5M

b) Explain the power spectrum estimation using minimum variance method. 5M




SATELLITE COMMUNICATION (Digital Electronics and Communication Systems)



PART-A

1. a) List the milestones of Indian space programs. 4M

b) Explain eclipse on satellites with dates and duration. 4M

c) Discuss the simplified double conversion transponder (bent pipe) for 14/11GHz band. 4M

d) With neat diagram, Explain the double conversion earth station receiver. 4M

e) Explain the basic principle of DS-SS CDMA system. Illustrate the spreading and de-spreading of the message with an example.

4M

PART-B

Unit-I

2. a) Describe the principles and architecture of satellite communications. 5M b) List the various frequency bands being used in satellite communication. Compare the

advantages and disadvantages of different bands considering the effects of propagation media.

5M

3. a) What are the advantages and disadvantages of Geostationary satellites? 5M b) With neat diagram explain the components of a direct broadcasting satellite system.

5M

Unit-II

4. a) What are Kepler’s three laws of planetary motion? Give the mathematical formulation of Kepler’s third law of planetary motion.

5M

b) What do the terms perigee and apogee mean when used to describe the orbit of a satellite orbiting the earth? A satellite in an elliptical orbit around the earth has an apogee of 39,152km and a perigee of 500km. What is the orbital period of this satellite? Give your answer in hours. Assume the average radius of the earth is 6,378.137km and Kepler’s constant has the value 3.986004418×105km3 /s2.

5M

5. a) Explain antenna look angles. How are they determined? 5M b) Describe orbital perturbations with respect to shape of the earth and inclination

changes.

5M

Unit-III

6. a) Discuss in detail Attitude and orbit control system for a spacecraft. 5M b) Explain the communication sub-system for the spacecraft.

5M

7. a) Derive the power received from the satellite at the earth station from the basic Transmission theory.

5M

b) A 12GHz earth station receiving system has an antenna with a noise temperature of 50K, a LNA with a noise temperature of 100K and a gain of 40dB, and a mixer with a noise temperature of 1000K. Find the system noise temperature.

5M

Cont…2

::2::

Unit-IV

8. a) Briefly draft satellite link budget and C/N ratio calculations in clear air and rainy conditions.

5M

b) Briefly discuss the Case study of Personal Communication system (satellite telephony) using LEO.

5M

9. a) What does G/T ratio indicate for earth stations? State the important steps in uplink design.

5M

b) A satellite at a distance of 40,000km from a point on earth’s surface radiates a power of 10W from an antenna with a gain of 17dB in 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.

5M

Unit-V

10. a) Compare FDMA, TDMA and CDMA multiple access techniques. 5M b) Explain the concept of GPS receiver and GPS C/A code Accuracy.

5M

11. a) What is guard time? Mention its value in a typical TDMA system. Explain its importance in TDMA frame efficiency.

5M

b) Briefly Discuss the recent communication satellite launched by ISRO. 5M




MIMO SYSTEM (Digital Electronics and Communication Systems)



PART-A

1. a) Examine the need for MIMO in emerging applications with examples. 4M

b) Define transmit diversity and explain its importance. 4M

c) What is singular value decomposition? 4M

d) What is wideband Beamformer? 4M

e) Examine the precoding for spatial multiplexing.

4M

PART-B

Unit-I

2. a) Interpret the need for multi antenna systems and explain the working of multi antenna systems with relevant examples and figures.

5M

b) Compare and comment on the MIMO versus multi antenna systems with relevant examples.

5M

3. a) Illustrate the different antenna configurations used in defining space time systems with relevant figures.

5M

b) Examine the effect of fading on system performance in MIMO’s with relevant examples.

5M

Unit-II

4. a) Illustrate the delay and cyclic delay diversities with relevant expressions and examples. 5M b) Discuss about the operation of spatial multiplexing systems.

5M

5. a) Illustrate the various combining techniques in MIMO system applications. 5M b) Explain and obtain the expression for spectral efficiency and capacity of MIMO system.

5M

Unit-III

6. a) Illustrate the equalizing in MIMO systems highlighting its advantages and drawbacks. 5M b) What is channel state information of MIMO systems? Examine the different kinds of

channel state information.

5M

7. a) Explain the operation of transmit precoding and receiver precoding schemes highlighting their advantages and drawbacks.

5M

b) Illustrate the singular value decomposition in MIMO systems.

5M

Unit-IV

8. a) Illustrate how the interference cancellation is achieved in MIMO systems. 5M b) Why is beamforming important for wireless systems? With suitable illustration explain

transmit beamforming, receive beamforming and opportunistic beamforming.

5M

9. a) Illustrate the features of switched beamformer. 5M b) Examine the features and working of narrowband and wideband beamformers.

5M

Unit-V

10. a) Examine how MIMO is implemented in LTE with relevant example. 5M b) Illustrate the pre-coding for spatial multiplexing and transmit diversity with relevant

example.

5M

11. a) Illustrate the beamforming in LTE with relevant example. 5M b) Illustrate the time and frequency channel dispersion in MIMO systems with relevant

examples. 5M




COMPUTER ARCHITECTURE AND PARALLEL PROCESSING (Embedded Systems)



PART-A

1. a) List the four programmatic level of parallel processing can be challenged. 4M

b) Define pipeline. Explain principles of pipelining. 4M

c) List any four vector instructions in star-100. 4M

d) List the processor characteristics of multiprocessing. 4M

e) Explain the static coherence check.

4M

PART-B

Unit-I

2. a) Write a note on virtual memory. 5M b) With a neat diagram, explain the address mapping in a segmented memory system.

5M

3. a) List and explain any four memory management policies. 5M b) Explain any two cache placement policies.

5M

Unit-II

4. a) With a diagram, explain the basic structure of linear pipeline processor. 5M b) Describe different types of data Hazards.

5M

5. a) Explain the characteristics of vector processing. 5M b) List and explain the different pipelined vector processing methods.

5M

Unit-III

6. a) Write the comparison between star100 and TI-ASC. 5M b) With a neat diagram, explain functional parts of AP-120 processor.

5M

7. a) With a figure, explain vectorization ratio and saving in execution time. 5M b) Describe the notion are used for performance analysis of pipeline computers.

5M

Unit-IV

8. a) With a neat diagram, explain loosely coupling of computer modules. 5M b) Write a note on interconnection network of computer modules.

5M

9. a) List the steps in an intra-cluster memory access. 5M b) Discuss multi bus multi-processor organization.

5M

Unit-V

10. a) Explain multi-processor system with private and shared data. 5M b) Describe the operating system configuration for the following multi processor

computer: i. Master slave ii. Floating supervisor

5M

11. a) Define context switching. Explain the processor subordinate problems. 5M b) Explain the following:

i. Critical sections ii. Explicit parallelism

5M




EMBEDDED SOFTWARE DESIGN (Embedded Systems)



PART-A

1. a) Briefly discuss different Protection Levels in Pentium. 4M

b) Give the comparison among Microcontrollers versus microprocessors. 4M

c) Explain the schematic representation of a ROM emulator. 4M

d) List different options for the compiler. 4M

e) Discuss the effects of memory-wait states on embedded systems.

4M

PART-B

Unit-I

2. a) Explain Segmented organization of Pentium Real Mode Architecture. 5M b) Explain different phases in Embedded design life cycle with the help of diagram.

5M

3. a) Explain different types of segment descriptor tables in pentium Protected Mode Architecture.

5M

b) Enumerate integration of hardware/software in embedded design.

5M

Unit-II

4. a) Briefly discuss different considerations for choosing the right microprocessor for an embedded application.

5M

b) With the help of flow diagram explain watch dog timer.

5M

5. a) Briefly discuss the execution environment considered in the development of embedded system.

5M

b) Write a brief note on In-line Assembly for manipulating the hardware.

5M

Unit-III

6. a) Illustrate different ways to store a string of characters in a 16-bit wide memory. 5M b) Explain the schematic representation of a JTAG loop for three circuit elements on a PC

board.

5M

7. a) With the help of block diagram explain embedded debugger architecture. 5M b) Briefly discuss the pin descriptions for the IEEE 1149.1 (JTAG) interface.

5M

Unit-IV

8. a) Enumerate the Usage of the target CPU to move an application to the right memory. 5M b) Briefly discuss the functionality of Onboard debugger by considering an example.

5M

9. a) Explain the process of building the target memory by the operating system. 5M b) Briefly discuss C extensions for embedded systems.

5M

Unit-V

10. a) Explain the process of implementing double buffers. 5M b) Briefly discuss several the common programming faults that cause memory leakage.

5M

11. a) Discuss the advantages of buffer exchange. 5M b) Illustrate the process of Single cycle processor with large external memory. 5M




HARDWARE SOFTWARE CODESIGN (Embedded Systems)



PART-A

1. a) Explain the functionality of hierarchical concurrent finite state machine. 4M

b) Give the comparison among emulation and prototyping. 4M

c) List the advantages of modern embedded systems. 4M

d) Explain what do you mean by ‘Hardware –Software Partitioning’. 4M

e) What is multi-language co-simulation?

4M

PART-B

Unit-I

2. a) Explain different scheduling schemes in Generic Co-Design Methodology. 5M

b) Briefly discuss different steps involved in Wolf’s Heuristic Algorithm.

5M

3. a) Illustrate Producer-consumer Functionality through wait/signal in Generic Co-Design

specification.

5M

b) Give the comparison among Rate Monotonic Analysis and earliest deadline first

algorithms.

5M

Unit-II

4. a) Describe the architecture for ADSP21060, TMS320C60 data dominated systems. 5M b) Write short notes on:

i. Target architecture ii. Application system classes

5M

5. a) Explain the need for software development for embedded architecture. 5M

b) Explain 8051-architecture for high performance control.

5M

Unit-III

6. a) Describe the problems occurred when adapting traditional compilation model to

embedded Processor.

5M

b) Explain any two system level specification languages with a suitable example.

5M

7. a) What is a compiler development environment? Explain it with a suitable circuit. 5M

b) Briefly discuss synchronous and asynchronous computations in design specifications

and verification.

5M

Unit-IV

8. a) Explain the design representation for system level synthesis. 5M b) Explain different system level specification languages.

5M

9. a) Discuss about the need for synthesis and explain about system level synthesis for design representation.

5M

b) Explain about ESMD representation. 5M

Cont…2

:: 2 ::

Unit-V

10. a) Discuss the multi-language co-simulation ‘The Cosyma System’. 5M

b) Explain different heterogeneous specifications.

5M

11. a) Discuss the multi-language co-simulation Lycos system. 5M

b) Explain communication estimation and code optimization in Cosyma Systems. 5M




ROBOTICS AND AUTOMATION (Embedded Systems)



PART-A

1. a) Describe about the gripper based end effector. 4M

b) What do you mean by Force Control in robots? 4M

c) Explain DH representation of standard robots. 4M

d) Discuss briefly about machine interface. 4M

e) Explain the selection criteria of robots for a given application.

4M

PART-B

Unit-I

2. a) How do you choose the right drive for a given robotic joint? Explain with an example. 5M b) List and explain the required characteristics of a sensor used in robots.

5M

3. a) Sketch and explain various degrees of freedom associated with SCARA robot. 5M b) Differentiate accuracy and repeatability with respect to a robotic arm.

5M

Unit-II

4. a) Explain the working of feed forward non-linear control. 5M b) Explain with neat sketches the working of computed torque control.

5M

5. Explain the working principle and architecture of hybrid force-position control system in robots with an example.

10M

Unit-III

6. The links of an RP manipulator, shown in Fig.1 here have inertia tensors.

1

1 1 1

2

0 0

0 0

0 0

xx

yy

zz

I

C I I

I

2

2 2 2

2

0 0

0 0

0 0

xx

yy

zz

I

C I I

I

And total mass m1 and m2. The centre of mass of link 1 is located at a distance l1 from the joint-1 axis, and the centre of mass of link 2 is at the variable distance d2 from the joint 1 axis. Use lagrangian dynamics to determine the equation of motion for this manipulator.

Fig.1

10M

7. Explain the functions of a robot manipulator and discuss the equation of motion of a robotic arm with an example.

10M

Cont…2

:: 2 ::

Unit-IV

8. Explain the generation of Cartesian-space paths.

10M

9. a) Explain the concept of Machine Learning with respect to robots. 5M b) Explain with a neat diagram the applications of robots for service industries.

5M

Unit-V

10. A packaging unit is manually testing packed food packets for its quality check with the help of labours. It is decided to automate this process with the help of robots. Discuss this idea of automation in detail with respect to various processes, complexities and ways of automating it with robots. Discuss also kind of robots that can be used in this situation.

10M

11. a) Explain in detail the selection process of a robot for a given task. 5M b) Explain how robots can be used in a restaurant. 5M




POWER ELECTRONIC CONVERTERS (Power Electronics and Electric Drives)



PART-A

1. a) Briefly discuss the function of a freewheeling diode. 4M

b) Compare single phase rectifiers with three phase rectifiers. 4M

c) For a dc-dc converter, why variable duty cycle control is preferred over variable frequency control? Briefly explain your answer.

4M

d) Write short notes on performance parameters of inverters. 4M

e) In your own words, explain why the frequency of the output voltage of a cycloconverter can never be greater than the frequency of input source voltage.

4M

PART-B

Unit-I

2. a) Analyze and explain the operation of a circuit where a dc source, a diode and a resistor are connected in series. Show the voltage waveform across the diode and the resistor.

5M

b) Analyze the circuit shown in Fig.1 and draw the waveform of i(t), VL(t), V1(t) and Vo(t). (Assume Vs(t)=10V(p), V1(t)=1V):

Fig.1

5M

3. a) Discuss, in general, how the operation of a switched converter with R-load changes when the load is replace with RL-load.

5M

b) Discuss the operation of a battery charging circuit with controlled semiconductor switches.

5M

Unit-II

4. a) Explain the operation of the circuit, shown in Fig.2, with RL-load. Assume appropriate gate signals are given to T1, T2, T3 and T4.

Fig.2

5M

b) Analyze and explain the operation of the circuit shown in Fig.2, if a diode is connected in anti-parallel across the RL-load.

5M

Cont…2

::2::

5. a) Using a circuit diagram, explain the operation of single phase semiconverter with resistive load.

5M

b) Explain the operation of a three phase full converter with R load.

5M

Unit-III

6. a) With suitable diagrams, explain the operation of boost converter with resistive load. 5M b) The dc-dc buck converter has a resistive load of R=10Ω and the input voltage is

Vs=220V. When the converter switch remains ON, its voltage drop is Vch=2V and the chopping frequency is fs=1kHz. If the duty cycle is 50%, determine: i. The average output voltage ii. The rms output voltage iii. The converter efficiency iv. The effective input resistanceRi of the converter v. The ripple factor of the output voltage

5M

7. a) With relevant diagrams, explain the operation of buck-boost converter with resistive load.

5M

b) Write short notes on the frequency limiting parameters of the step-up and step-down converters.

5M

Unit-IV

8. a) Analyze the operation of the circuit shown in Fig.3, when switching signals i1 and i2 are feed to switches Q1 and Q2.

Fig.3

5M

b) Briefly discuss about the different ways by which harmonics in two level inverter output can be minimized.

5M

9. a) A single-phase half-bridge inverter has a resistive load of R=2.4Ω and the dc input voltage is Vs=48V. Determine: i. The rms output voltage at the fundamental frequency ii. The output power iii. The average and peak currents of each transistor iv. The peak reverse blocking voltage of each transistor

5M

b) How are voltage source inverters different from current source inverters? Briefly explain.

5M

Unit-V

10. a) Explain the operation of single phase ac voltage regulators. 5M b) Write short note on sinusoidal harmonic reduction techniques used for controlling

cycloconverters.

5M

11. a) List the factors which are used in general for evaluation the performance of ac voltage controllers.

5M

b) Explain the operation of three phase cycloconverter with appropriate diagrams. 5M




DIGITAL CONTROL OF POWER ELECTRONIC AND DRIVES SYSTEMS (Power Electronics and Electric Drives)



PART-A

1. a) Apply numerical methods to solve transients in DC circuits connected to RLC load. 4M

b) Necessity of isolation in gate and base drive circuit. 4M

c) Discuss the stability of an Electric drive. 4M

d) How are chopper circuits classified? 4M

e) Explain the state–space modulation technique.

4M

PART-B

Unit-I

2. a) Explain how transients can be solved in AC circuits using numerical Methods. 5M b) What is the function of a snubber circuit? Simulate the R-C Components.

5M

3. a) Obtain DC transients in an R-C circuit using numerical methods. 5M b) How Runge Kutta 4th order method helps to solve DC transients in an R- L circuit.

5M

Unit-II

4. a) Explain in detail the modelling of power transistor in simulation. 5M b) Explain how base drive circuits are simulated.

5M

5. a) Explain in detail the modelling of MOSFET in simulation. 5M b) With equivalent circuit diagram, model a diode with RL load.

5M

Unit-III

6. a) Develop the state – space model of a synchronous machine. 5M b) Develop the state – space model of a third order differential equation:

𝑥 + 𝑎𝑥 + 𝑏𝑥 + 𝑐𝑥 = 𝑓(𝑡)

5M

7. a) Explain the MATLAB model of DC machine. 5M b) Discuss the mathematical model of Induction machine, hence obtain the speed and

torque equations.

5M

Unit-IV

8. a) Simulate a single phase, full bridge SCR controlled rectifier connected to RL load with α =60˚.

5M

b) Simulate a three phase full controlled rectifier connected to R load with α =45˚.

5M

9. a) Develop a current commutated chopper circuit model with various modes of operation and waveforms.

5M

b) Discuss load commutation scheme in class D chopper circuit connected to R load.

5M

Unit-V

10. a) Explain in detail the MATLAB model of an Inverter fed Induction motor drive. 5M b) Simulate a single phase Inverter using IGBT connected to R load.

5M

11. a) Explain the simulation model of three phase inverter with R load. 5M b) Discuss how Pulse width modulation technique is used to control the output voltage in

an inverter using MATLAB. 5M




SWITCHED MODE AND RESONANT CONVERTERS (Power Electronics and Electric Drives)



PART-A

1. a) Briefly explain the various types of DC-DC Converters. 4M

b) Explain with the help of neat diagram operation of Full bridge converter with RL load. 4M

c) Explain Various types of resonant Converters. 4M

d) With the help of neat diagram explain current mode control of SMPS. 4M

e) What are the current modes of deficiencies in PWM control Ics?

4M

PART-B

Unit-I

2. a) With the help of circuit and relevant waveforms, discuss the working of push-pull converter.

5M

b) Obtain the boundary conditions between continuous and discontinuous conduction mode of operation for: i. Boost converter ii. Buck-boost converter

5M

3. a) Draw the inductor current and voltage waveforms of a buck dc-dc converter during discontinuous conduction mode.

5M

b) Discuss and derive circuit parameter equations for the discontinuous conduction mode of operation of buck converter with: i. Constant Input voltage ii. Constant Output voltage

5M

Unit-II

4. a) Discuss the working of a half bridge converter with relevant circuit and wave forms. 5M b) Describe the working principle and modes of operation of full bridge converter.

5M

5. a) Compare full bridge and half bridge converter. 5M b) Discuss the operation of current mode control of SMPS.

5M

Unit-III

6. a) Discuss the voltage mode control principles of fly back converter. 5M b) Explain series load resonant converter with resonant inductor current and capacitor

voltage waveforms operating under the condition when switching frequency is less than half of resonant frequency (f < f).

5M

7. a) Explain ZCS converter in detail. What are the limitations of ZCS converter? 5M b) Discuss the operation of ZVS resonant switch converters. Draw the circuit diagram

and relevant waveforms.

5M

Unit-IV

8. a) Compare current mode and voltage mode control of SMPS. 5M b) Explain the average current control method in detail. 5M

Cont…2

:: 2 ::

9. a) Discuss in detail on the gain characteristics of LC filter and error amplifier in the design of SMPS.

5M

b) Discuss voltage Mode control of SMPS -Loop gain and stability consideration.

5M

Unit-V

10. a) With required waveforms, explain generation of sine PWM signals for controlling 3-phase bridge dc-ac inverter. Also obtain any one output line voltage waveform.

5M

b) Explain Current Mode deficiencies and problems.

5M

11. a) Explain the small signal approximation. 5M b) Explain Second order linear equivalent circuits. 5M




ADVANCED MICROCONTROLLER BASED SYSTEMS (Power Electronics and Electrical Drives)



PART-A

1. a) What is virtual Memory? What are the advantages and drawbacks of using virtual memory?

4M

b) Differentiate between Von Neumann and Harvard architecture with relevant examples. 4M

c) Illustrate the operation of PUSH and POP instructions with examples. 4M

d) Examine the memory organization of PIC 16F series microcontrollers with relevant figure.

4M

e) Examine the salient features and role of DSP processors in embedded applications.

4M

PART-B

Unit-I

2. a) Illustrate the execution cycle of a typical computer system with relevant figure and example.

5M

b) Examine the memory organization of a typical computer architecture.

5M

3. a) From the processor point of view, what are the differences between branches and procedures? Also explain the differences between branches that use absolute address and PC-relative address.

5M

b) Explain the various addressing modes with relevant examples.

5M

Unit-II

4. a) Explain the different serial communication modes and its functionalities in 8051 microcontroller.

5M

b) Explain the role and functionality of the SFR registers SCON and TCON.

5M

5. a) Interpret the role of an interrupt in microcontroller based applications? Explain the different interrupts supported by 8051 microcontroller and how they are enabled and prioritized.

5M

b) Interpret the advantages of Interfacing the microcontroller with External Memory? Sketch a neat figure with a brief explanation to interface the 8031 microcontroller with an external RAM memory configuration consisting of 16K EPROM and 8K of static RAM.

5M

Unit-III

6. a) Illustrate the operation of PUSH and POP instructions in 8051 microcontrollers. Show how two numbers can be exchanged by using PUSH and POP instruction.

5M

b) Explain the different addressing modes used in 8051 microcontroller with examples.

5M

7. a) What is a subroutine? Interpret the steps involved in execution of calling subroutine and execution with examples.

5M

b) Write an assembly level language program to find the cube of a number with relevant comments.

5M

Unit-IV

8. a) Illustrate the architecture of the PIC16F877 microcontroller with relevant figure. 5M b) Illustrate the various addressing modes used in PIC16F series microcontrollers with

examples. 5M

Cont…2

::2::

9. a) Illustrate how serial communication can be implemented using PIC microcontrollers

showing relevant circuit and an example. 5M

b) Illustrate the interfacing of external memory (RAM/ROM) with PIC 16F series microcontrollers showing the circuitry and relevant example.

5M

Unit-V

10. a) Illustrate the architecture of DSP processor and highlight its salient features. 5M b) Examine the various special addressing modes of DSP processors used for signal

processing applications with examples.

5M

11. a) Illustrate the various peripherals of microcontrollers used for motor control applications with relevant examples.

5M

b) Illustrate the various peripherals and features of FPGAs which help in implementing applications.

5M




FINITE ELEMENT ANALYSIS (Engineering Design)



PART-A

1. a) Provide the physical interpretation of infinitesimal strain tensor with examples. 4M

b) Explain post processing operation in FEA. 4M

c) What is the purpose of Iso-parametric elements? Explain. 4M

d) What are the properties of elements in structural mechanics? Explain 4M

e) What is the general procedure for establishing the stiffness matrix for an element (linearly elastic, small strains)?

4M

PART-B

Unit-I

2. For the three-stepped bar shown in Fig.1, determine the displacements at nodes 2 and 3, stresses in the three sections and reactions at the ends.

Fig.1

10M

3. Enumerate the different types of elements used in FEM? Explain with neat sketches.

10M

Unit-II

4. Explain how a plate acts when it is subjected to plane stress.

10M

5. What are the element properties in FEA? Explain in detail.

10M

Unit-III

6. Explain the different weighted residual methods.

10M

7. What is Raleigh method? Discuss with examples.

10M

Unit-IV

8. Develop the expression for the shape function for a constant area triangular element.

10M

Cont…2

:: 2 ::

9. The bending moment (M) and transverse deflection (w) in a beam according to the Euler—

Bernoulli beam theory are related by

2

2

d wEI M x

dx

For statically determinate beams shown in Fig.2, one can readily obtain the expression for the bending moment in terms of the applied loads. Thus, M(x) is a known function of x. Determine the maximum deflection of the simply supported beam under uniform load using the finite element method.

Fig.2

10M

Unit-V

10. a) Derive the equations for the Element Stiffness Equations in isoparametric formulation. 5M b) Derive down the equation for the Jacobian matrix for four noded quadrilateral

elements.

5M

11. a) Explain the Direct mass lumping and Variational Mass Lumping for a bar element. 5M b) Describe in detail the Mass Matrix Properties. 5M




COMPUTER AIDED DESIGN (Engineering Design)



PART-A

1. a) What is the importance of Hardware and software in CAD? 4M

b) State the importance of transformation of geometrical models in computer graphics. 4M

c) Explain the orthographic projections in CAD. 4M

d) Explain constructive solid geometry used in solid modeling. 4M

e) List out Mesh requirements in Finite Element Method.

4M

PART-B

Unit-I

2. a) List out Hardware trends in CAD. 5M b) Explain importance of software modules in CAD.

5M

3. a) State the importance of network operating systems in CAD. 5M b) What is the significance of transmission media in communication?

5M

Unit-II

4. a) Describe the concept of rotational mapping used in computer graphics. 5M b) Explain about homogeneous representation.

5M

5. a) What are concatenated transformations used in computer graphics. 5M b) Explain the concept of general mapping with suitable example.

5M

Unit-III

6. Calculate (x,y) coordinates of Bézier curve described by the following 4 control points: (0,0), (1,2), (3,3), (4,0).

10M

7. a) Explain why curve manipulation is performed in Modeling. 5M b) Explain about B-Spline curve.

5M

Unit-IV

8. a) What is boundary representation? Explain its importance. 5M b) Explain about constructive solid geometry.

5M

9. a) Describe about sweep representation in solid modeling. 5M b) Explain the concept of analytic solid modeling used in solid modeling.

5M

Unit-V

10. a) Explain the steps involved in finite element analysis with application. 5M b) Differentiate between discrete and continuous systems.

5M

11. a) Explain steps involved in Finite Element Method of 2D analysis for thermal problems. 5M b) Enlighten the importance of system simulation in FEM. 5M




ADVANCED MACHINE DESIGN (Engineering Design)



PART-A

1. a) Discuss the importance of organization development processes. 4M

b) Discuss about need identification with example. 4M

c) Point out characteristics of assembly line. 4M

d) Enlighten the concept of Eco-design with its application. 4M

e) How do you classify Rapid prototyping processes?

4M

PART-B

Unit-I

2. a) Explain about various benefits of organization development. 5M b) What is the need out standardization of product planning?

5M

3. Enlighten the concept of product planning and briefly discus the different phases of the same.

10M

Unit-II

4. Explain the importance of design for manufacture with suitable examples.

10M

5. Describe various creativity methods and give its importance in design.

10M

Unit-III

6. What are the functions of maintenance in manufacturing industries?

10M

7. a) Discuss general problems we come across while designing for operations. Explain how to overcome the same.

5M

b) Compare between parallel and series systems of reliability.

5M

Unit-IV

8. a) What is the importance of industrial design in ergonomics? 5M b) Explain the general practices of engineering design to protect the environment.

5M

9. a) Point out the impotence of human behavior in design. 5M b) Enlighten the concept of anthropometric data.

5M

Unit-V

10. a) Explain the classification of rapid prototyping systems. 5M b) Enlighten the processes parameters of stereo lithography systems.

5M

11. a) Summarize the key aspects of rapid prototyping. And explain historical development of the same.

5M

b) Categorize the applications of rapid prototype technology in manufacturing industries 5M




MECHANICAL VIBRATIONS (Engineering Design)



PART-A

1. a) What is the difference between Discrete and continuous vibration system, explain with example.

4M

b) Write clearly the significance of damping factor in underdamped, overdamped and

critically damped systems.

4M

c) Explain the characteristics of stiffness and flexibility matrices. 4M

d) Explain different steps involved in matrix iteration method. 4M

e) Explain any one frequency measuring device with a sketch.

4M

PART-B

Unit-I

2. The motion of a particle is x=5sinωt, show the relative position and magnitude of

displacement, velocity and acceleration at time t=0 when:

i. ω=0.5 rad/sec

ii. ω=2 rad/sec

10M

3. The boom AB of crane shown in Fig.1 3 is a uniform steel bar of length 10m and area of

cross section 2500mm2. A weight w is suspended while the crane is stationary. The cable

CDEBF is made of steel and has a cross sectional area 100mm2. Neglecting the effect of the

cable CDEB. Find the equivalent spring constant of the system in the vertical direction.

Fig.1

10M

Unit-II

4. A spring mass-dash pot system is given an initial velocity of Xωn where ωn is undamped natural frequency of the system. Find the equation of motion for the system when ξ=2.5 and ξ=0.5

10M

Cont…2

:: 2 ::

5. Fig.2 shows a coupled pendulum. Determine the natural frequencies of the system

assuming the spring is un-stretched and pendulum are vertical in the equilibrium position. Also find the natural frequency equation when m1=m2=m

Fig.2

10M

Unit-III

6. Determine the natural frequencies Eigen values and mode shapes of the system shown in Fig.3 by matrix method.

Fig.3

10M

7. Derive generalized expression for solving multi degree undamped free vibration system using modal analysis.

10M

Unit-IV

8. Using Stodala’s method, determine the lowest natural frequency of the torsional system

shown in Fig.4.

Fig.4

10M

9. A bar of length L is fixed at both ends. It is subjected to longitudinal vibration by giving it a constant velocity V at all points. Find the frequency and general solution for the longitudinal vibration of the bar.

10M

Unit-V

10. Derive an expression for critical speed of shaft considering damping.

10M

11. A vibration pickup has a natural frequency of 7.5Hz and damping factor of 0.5. Determine

the lowest frequency beyond which the amplitude can be measured within 1% error and

2% error.

10M




FINITE ELEMENT METHODS IN STRUCTURAL ENGINEERING (Structural Engineering)



PART-A

1. a) Explain the principle of Raleigh-ritz method of functional approximation. 4M

b) Determine shape function for two noded bar elements in natural coordinates. 4M

c) Explain the formulation of Iso-parametric of 4 noded and 8 noded quadrilateral elements.

4M

d) What are the assumptions made for thin plates by Mindlin’s theory? 4M 4M

e) Explain about boundary non linearity.

4M

PART-B

Unit-I

2. A simply supported beam is subjected to a point load P at the centre. Calculate the maximum deflection by Raleigh-Ritz method and hence compare the exact solution.

10M

3. Consider a uniform of length L area of cross section and young’s modulus E. an axial load q=Cx. Linearly distributed along the length. Where C is a constant. Using Rayleigh-Ritz method compute: i. Displacements ii. Axial stress Use a quadratic polynomial.

10M

Unit-II

4. Derive the stiffness matrix for a beam element considering bending effects.

10M

5. The structure consists of two bars. An axial load P=10kN is loaded as shown in Fig.1 Determine the following: i. Element stiffness matrix ii. Global stiffness matrix iii. Nodal displacements iv. Stresses in the element

Fig.1

Steel Bronze A1=1000mm2 A2=2000mm2

E1=200GPa E2=83GPa

10M

Cont…2

:: 2 ::

Unit-III

6. For the triangular element show in the Fig.2 determine the Jacobian matrix and strain displacement matrix.

10M

Fig.2

No X Y

1 9 6.5

2 15 5

3 15 8

7. For the four sided element shown in Fig.3, determine the Jacobian matrix and the strain displacement matrix.

Fig.3

10M

Unit-IV

8. Derive the expression for a plate element using Mindlin’s approximation.

10M

9. Explain ‘shear locking’. How is this problem overcome in case of thin plates?

10M

Unit-V

10. Explain the advantage of non-linear analysis over linear analysis. List the software available to solve problems related to non-linear behavior of elements.

10M

11. State the difference between geometric non-linearity and material non-linearity. Represent with neat sketches.

10M




STRUCTURAL DYNAMICS (Structural Engineering)



PART-A

1. a) Define: i. Dynamic magnification factor ii. Phase angle and Band width

4M

b) i. Formulate the equation of motion using D Alembert’s principle ii. Mention the objectives of Dynamic analysis

4M

c) Derive the orthogonality property relationship of normal modes. 4M

d) Explain the Stodola’s method briefly 4M

e) Mention the assumptions made in the analysis of continuous beams.

4M

PART-B

Unit-I

2. a) Obtain the expression for displacement of undamped SDOF system subjected to free vibrations

5M

b) An SDOF systems consists of mass with weight 6kN and spring with stiffness of 5N/mm. The system has the damping force of 200N with a velocity of 250mm/sec. Find the damping ratio, damped natural frequency, logarithmic decrement and the ratio of two consecutive amplitudes.

5M

3. Develop an expression for dynamic magnification factor for an under damped SDOF system subjected to a harmonic loading F (t) = F0Sinωt.

10M

Unit-II

4. a) Formulate the equation of motion of SDOF system using Principle of Virtual work. 5M b) Explain the method of Discretization.

5M

5. a) Mention the types prescribed loading. 5M b) Mention clearly the difference between static analysis and dynamic analysis. 5M

Unit-III

6. Obtain the equation for displacement of critical damped SDOF system subjected to free vibration.

10M

7. Derive the equation of motion for the free vibration of the cantilever beam with degrees of freedom indicated as shown in Fig.1 where m, L and EI are the mass per unit length, length and flexural rigidity of the beam respectively.

X1 X2

ml/4 ml/2

L,EI

Fig.1

10M

Cont…2

::2::

Unit-IV

8. Compute the first two natural frequencies and mode shapes using Stodola’s method for the shear building shown in Fig.2.

m

k m

mk

k

3

2

1

Fig.2

10M

9. Determine the natural frequencies and mode shapes of the system shown in Fig.3 using Holzer’s method.

m m m2k 1.5k k

1 2 3

Fig.3

10M

Unit-V

10. Obtain the expression for natural frequencies and mode shapes of simply supported beam subjected to free flexural vibrations.

10M

11. Derive the governing differential equation of motion subjected to free flexural vibrations of beams.

10M




ADVANCED CONCRETE TECHNOLOGY (Structural Engineering)



PART-A

1. a) What is heat of hydration? How does heat of hydration vary for different bogues compound on hydration?

4M

b) Explain the advantage of using compaction factor test over slump test. 4M

c) Draw the stress-strain curve for concrete and explain its significance. 4M

d) What is Nominal mix of concrete? How is it different from design mix of concrete? 4M

e) Explain Self compacting concrete.

4M

PART-B

Unit-I

2. What is hydration? Explain the structure of hydrated cement.

10M

3. List the tests required to be conducted on aggregates to be accepted as a material of construction.

10M

Unit-II

4. What do you mean by workability of concrete? Explain the problems encountered with fresh property of concrete.

10M

5. Briefly explain the step by step procedure to manufacture concrete.

10M

Unit-III

6. Enlist the test procedure required to test hardened properties of concrete. Explain compressive testing of concrete.

10M

7. List the parameters to be considered to test durability of concrete. Explain the procedure required for testing sulphate attack on concrete.

10M

Unit-IV

8. Explain the various methods available to prepare mix design of concrete. Explain BIS method.

10M

9. What is high performance concrete? Explain the properties of high strength concrete.

10M

Unit-V

10. What are the measures taken to maintain the quality of concrete? Explain quality with their acceptable limits.

10M

11. Write short notes on: i. Fiber reinforced concrete ii. Polymer concrete

10M




ADVANCED DESIGN OF STEEL STRUCTURES (Structural Engineering)



PART-A

1. a) Enumerate strength and efficiency of weld in a joint. 4M

b) Explain Bolted framed and Bracket connection with figures. 4M

c) Explain in brief roof Trusses. 4M

d) Brief note on bracing and their types. 4M

e) Sketch and explain different parts of silos with their types.

4M

PART-B

Unit-I

2. A welded bracket connection of a plate to the column flange is as shown in the Fig.1 Determine the size of weld.

Fig.1

10M

3. Design a bracket connection shown in Fig.2 for a safe load of 150KN .Use M-20 Bolts of 4.6

grade.

Fig.2

10M

Unit-II 4. A beam of ISWB-550 @ 112.5 kg/m transmits an end reaction of 280KN to the web of the

column ISHB-250@ 54.7 kg /m .Design stiffened seat connection .Use 22 power driven shop rivets for ISWB-550 @ 112.5 kg/m.

10M

Cont…2

::2::

5. A beam ISMB-300@,transmits an end shear of 100KN and a moment of 30KN-m to the

flange of an I-column with 200mm width. Use shop weld. Design a suitable connection.

10M

Unit-III

6. a) List and explain briefly the different loads acting on the Roof truss. 5M

b) An industrial roof truss shed of size 20m x 30m is proposed to be constructed in Vishakhapatnam near a hillock of 160m and the slope is 1 in 2.8. The roof shed is to be Built at a height of 120m from the base of the hill .Determine the design wind pressure. The height of roof shed shall be 12m.

5M

7. Design an I-section purlin to support galvanized corrugated iron sheet roof. Details are: i. Length of the purlin=1.25m ii. Centre to Centre spacing of purlins over Roof truss=5m

iii. Surface inclination to the horizontal=30 iv. Weight of the corrugated iron sheets=0.133KN/m2 v. Weight of fixtures etc.=0.053KN/m2 vi. Design wind pressure for medium permeability parallel to the age=1.2KN/m2

10M

Unit-IV

8. Fig.3 shows a portal frame in through type lattice girder bridge subjected to a lateral load P= 97.5 KN .Determine the forces in the various members of the portal frame .Also find the portal effect in the end part and in bottom chords of the lattice girders. The inclination of

end part is 5012’.

Fig.3

10M

9. What is a Truss Bridge? What are its different parts? Explain in detail with figures different types of truss bridges.

10M

Unit-V

10. Design a circular steel silo of 12m height and 4m internal diameter to store cement of bulk

density 15.5KN/m3.Angle of internal friction is 25.

10M

11. Design a rectangular steel bunker of 12m length and 6m width supported on eight column(for long each long side) to store coal of bulk density 8KN/m3and angle of internal

friction 35.

10M

Documents

Question Paper Code : B4205 (AUTONOMOUS) I M. Tech II