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SUBJECT CODE: C0301

M.TECH I SEMESTER REGULAR EXAMINATIONS MARCH 2010

ADVANCED MICROBIOLOGY

(BIOTECHNOLOGY)

Time: 3 Hours Max Marks: 60

Answer Any FIVE Questions All Questions Carry EQUAL marks

1. Describe in detail the structure of a eubacterial cell.2. Write the general principles of classification and nomenclature of microorganisms.3. What is differential staining? Describe different staining techniques and their

applications.

4. Describe the typical bacterial growth curve of bacteria and discuss the methods ofestimating bacterial growth.

5. Explain aerobic respiration and energy yields.6. Write the epidemiology, pathology, control and treatment of any two air borne diseases.7. Give an account of primary and secondary lymphoid organs of immune system.8. (a) Write an account of antibiotics and mode of action.(b) Write about microbial toxins and their effects.

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ADVANCES IN MANUFCTRING TECHNOLOGY

(MECHANICAL ENGINEERING CAD/CAM)


Answer any FIVE questions; All questions carry EQUAL marks

1. a) Describe the features of fusion weld, and identify the different regions.b) Why are residual stresses important in welded components? Describe the methods

for reducing residual stresses in welds.

2. Briefly explain the following coating operations.a) Sputtering b) Chemical vapour deposition

3. a) What is the function of abrasive slurry in USM? Explain how the abrasive selectionis made.

b) Explain how material is removed in abrasive jet machining.

4. a) Briefly explain the various process parameters that affect the material removal rateand surface in ECM.

b) Calculate the material removal rate and electrode feed rate in the electrochemical

machining of an iron surface that is 20 mm X 20 mm in cross-section using NaCl in

water as electrolyte . The gap between the tool and the work piece is 0.25 mm. The

supply voltage is 12 V DC. The specific resistance of the electrolyte is 3ohm cm.

For iron, take valency = 23, Atomic weight = 55.85 and Density =7860 kg/cu.m.

5. a) Explain the advantages and disadvantages of EDM.b) What are the functions served by the dielectric fluid in wire EDM.

6. a) Describe factors affecting the surface finish in PAM.b) Enumerate the differences between thermal and non thermal process.

7. a) What is stereo lithography? Explain the process with simple sketch.b) Explain the applications and limitations of rapid prototyping.

8. a) Explain the advantages of nano tubes.b) Why the nano powders are to be synthesized? Explain the various methods of

synthesis.

SUBJECT CODE: C0404

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ADVANCED MECHANISMS

(MECHANICAL ENGINEERING MACHINE DESIGN)

Time: 3 Hours Max Marks: 60Answer any FIVE questions; All questions carry EQUAL marks

1. (a) Explain Grublers and Kutzbas criterias for plain mechanisms with the help ofexamples

(b) Discuss the triangle rules and trigonometric identities using sphericaltrigonometry.

2. (a) Explain the term collineation axis and its use for finding inflection points.(b) Describe the Bobilliers construction to find the center of curvature when instant

center, Tracer point and the inflection point are known.

3. (a) What do you mean by polode ? With suitable example explain moving and fixedpolodes.

(b) Explain briefly the Halls and Aulfs Auxiliary point method for the analysis ofmechanisms

4. What is Burmesters Curve? Explain in detail how Burmesters curve will be drawnfor a 4 bar mechanism.

5. (a) Explain Overlays method of synthesizing a four -bar mechanism.(b) Design a four bar function generator for the following data:

Y = X 0.8 ; 1 x 3i = 30

0 i = 600

= 600 = 300

6. (a) Prove the Frudensteins equation which synthesizes a four bar mechanism withusual terms and standard notation.

(b) Design a four bar mechanism which is required such that the crank angles will beco-ordinated as follows and also find the lengths of links? degrees 600 300 0

0

degrees 850 450 200

7. (a) Explain D-H notations. Derive the 4x4 D-H transformation matrix.(b) Selecting the link parameter table, perform the inverse kinematic analysis of a

spherical robotic manipulator

8. (a) What do you mean by differential kinematics?(b) Derive the Jacobian matrix for the planar R-R Robotic manipulator.

SUBJECT CODE: C1501

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SUBJECT CODE: C5801


DATA STRUCTURES AND ALGORITHM ANALYSIS

(CSE - Common to CSE and NN)



1. a) Explain the need for height balancing in an AVL tree creation.b) Explain how we carry out single and double rotations while AVL tree is formed.

c) Assume that the following strings have to be maintained in an AVL tree. Calculate

LL, RR, LR, and RL rotations.

Lucknow, Delhi, Bombay, Chennai, Hyderabad, Kolkata, Indore, Bangalore, Pune.2. a) Write an algorithm to check whether a given tree is high balanced or not.

b) Write algorithm or pseudo code to find whether a key is available in the given tree

or not.

3. a) Develop an ADT to represent an algebraic polynomial in a linked list fashion.b) Propose an algorithm to multiply 2 such a polynomials.

4. a) Write an algorithm to calculate binary heap of a data which is available in the array.Make sure that the implementation should ofin-place type.

b) Explain how the same can be used as a priority queue.

5. a) Design a Java class to represent rational number of Mathematics.b) Write overload methods to add, subtract, multiply and divide two rational numbers.

6. Write an algorithm to traverse a binary search tree using iterative approach. Do notforget to mention clearly about your assumptions.

7. a) How creations, insertion, deletions of elements are performed in B-Trees?b) Why B-Trees? Why not we restrict to binary trees? Mention at least one practical

CSE example where B-Trees are used.

8. a) Write non-recursive algorithms to traverse a directed graph both using breadth firstand depth first approaches.

b) Mention all the assumptions that have been made in graph storage.

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SUBJECT CODE: C4001


ADVANCED DATA STRUCTURES AND ALGORITHMS

(CSE Common to IT AND SE)



1. Describe queue ADT. Illustrate linked list implementation of a queue.

2.What is a Skip List? Show how to use a skip list to implement the dictionary ADT?

3.(a) Describe Heap sort. Take the input sequence 31,41,59,26,53,58,97. Construct the

Heap.

(b) How does the heap look after deleting the minimum element?(c) How many comparisons does Heap sort take?

4. (a) What is meant by path compression? Explain.

(b) What is meant by union by size and union by height? Explain.

5. (a) Write a program to perform a topological sort on a graph.(b) Perform topological sort on the following graph.

6. Implemant Dijkstras Greedy algorithm.

7. (a) What is skew heap?(b) Show that the amortized bound of (log N) for the skew heap.

8. (a) What is a Red-Black tree? Give example.

(b) Write the procedure for deletion in Red-Black tree.

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SUBJECT CODE: C3805


ADVANCED DIGITAL SIGNAL PROCESSING

(ECE - Common to DECS, DIP, ECE AND SSP)



1. a) Define DFT. Guide two properties of DFT.

b) Discuss the effects of truncating a sequence x(n) of infinite duration.

c) Compute the DFT of X(n) = { -1, 0, -1} with T = 0.5. Plot the DFT sequence

suggest a method for improving frequency resolution.

2. a)Find point representation (or) quantization error in FFT algorithm.b) Compute the FFT for the sequence x(n)= {1, 1,1, 1,1,1,1,1}

3 a) Write the difference equation for FIR and IIR system and hence derive the transfer

function of FIR and IIR system.b) Realize the following system with minimum number of multipliers.

H(Z) = 0.5 + 0.75Z-1 + 0.8Z-2 + 0.9Z-3 + 2Z-4 + 0.9Z-5 + 0.8Z-6 + 0.75Z-7 + 0.5Z-8

4. a)Use the Bilinear transformation to convert the analog filter with system function

H(S) = S + 0.1 / (S +0.1)2 + 9 into a digital IIR Filters. Select T = 0.1 and compare

the location of the zeros in H(z) with the locations of the zeros obtained by applying

the impulse invariance method in the conversion of H(s).b) Compare Bi- linear and Impulse invariance transformation methods.

5. a) consider the two different ways of cascading a decimeter with an interpolatorshown in

fig.

x(n)

x(n)

If D= 1 show that the output of the two configurations aredifferent. Hence in general the two systems are not identical

b) Write about structures for rational sampling rate conversion.

I D

D I

(n)1

y

(n)2y

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SUBJECT CODE: C3805

6. Present the model based approach to power spectral estimation. Define AR, MA, and

ARMA models. And illustrate the ARMA model for spectrum estimation.

7 a) Explain the power spectrum estimation by Bartlett method.

b) Compare non parametric power spectrum estimates?

8 (a) Derive the recursive predictor coefficients for optimum lattice predictor by

Levinson Durbin algorithm.(b)Write short notes on ADC quantization noise and signal quantity.

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SUBJECT CODE: C5501


EMBEDDED SYSTEM CONCEPTS

(ECE - Common to VLSI,VLSI SD, VLSI D,ES and VLSI & ES)



1 (a) Define an Embedded system. Explain the role of a processor and its selection for anembedded system.

(b) Explain with neat sketch, the allocation of memory to program cache and memory

management links for an embedded system.

2 (a) List out various Input/output devices of an embedded system and explain any two of them

with suitable example.(b) How to perform serial communication using the I2C bus in an embedded system.

Explain with relevant schematic diagram.

3 (a) What is meant by Device Driver? Give the importance of device driver in an embedded

system with suitable example.

(b) Write notes on Interrupt Servicing Mechanism relevant to an Embedded System Concepts.

4 (a) What are the programming concepts that are required for implementation of embedded

system software? Explain the concept of task and threads.

(b) Implement an embedded program for performing interprocess communication in anembedded system using C++.

5. Explain in detail about embedded system design and co-design issues in system developmentprocess with suitable examples wherever necessary.

6 (a) What are various software tools available for implementation of an embedded system?

Explain the use of software tools for development of an embedded system.(b) List out the various issues in an embedded system design. Write short notes on embedded

system project management.

7 (a) What are the various hardware units and the software embedded into a system? Also give

the structural units in a processor.

(b) Explain how to interface DMA controller to an embedded system processor with neatsketch.

8. Write notes on any TWO of the following.(a) PCI-X Bus

(b) Device Drivers for internal programmable timing devices

Multiple tasks and routines

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SUBJECT CODE: C4301


ELECTRICAL MACHINE MODELING AND ANALYSIS

(EEE Common to PE, PEED and PID)



1. Prove that for the torque Te, produced by the interaction of two quadrature currents in thegeneralized rotating electric machine.

2. A rheostat is connected in series with the field winding of a dc shunt motor, driving aconstant load torque under steady state. When the field rheostat is short circuited, the

voltage across the field winding increases only by a small amount. Find the variation ofspeed after this small perturbation. Assume Friction and windage torques and effect ofarmature inductance is negligible.

3. Obtain transformation corresponding to constant values of inductances from its variablenature of an ac three phase rotating machine? Explain what is its importance?

4. Draw the circuit model of Induction motor? Obtain its two axis model in stator referenceframe?

5. (a) Deduce small signal equations of the induction machine?(b) Draw the free acceleration characteristics of currents and speed?

6. Deduce expressions for voltage and torque of symmetrical two phase induction motor instationary reference frame.

7. Explain what are the different inductances considered for mathematical modeling ofsynchronous motor?

8. Obtain transient torque characteristics of synchronous motor with approximatedmathematical expressions?

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