Code No: PT41031 Set No. 1 INSTRUMENTATION AND CONTROL …bitsvizag.com/OLD BITSVIZAG/BITS/EXAM CELL/q.p/4-1... · d) What is the working principle of a stroboscope? [3] e) Explain

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PART–A (22 Marks)

1. a) What are the functional elements of an instrumentation system? Briefly explain. [4]

b) How do you measure the pressure with the help of U-tube manometer and Micro

manometer.

[3]

c) What are the different indirect methods available for the measurement of liquid

level? Explain any two of them

[4]

d) What is the working principle of a stroboscope? [3]

e) Explain the principle of measuring torque using strain gauge torsion meter. [4]

f) What is open loop system? Explain the various elements of it with a block

diagram.

[4]

PART–B (3x16 = 48 Marks)

2. a) Explain different types of errors occur during measurement with an instrument.

Suggest methods to minimize the same.

[8]

b) Discuss the necessity and importance of static performance of measuring

systems.

[8]

3. a) Explain the principle of working of thermocouples. State the law of intermediate

temperatures and intermediate metals for thermocouples.

[8]

b) With neat sketch explain the working principle of Bourdon tube pressure gauge. [8]

4. a) What are the different direct methods available for the measurement of liquid

level? Explain any one of them.

[8]

b) Describe the working principle of D.C.Tachometer generator and list the

advantages.

[8]

IV B.Tech I Semester Regular Examinations, November - 2016

INSTRUMENTATION AND CONTROL SYSTEMS

(Mechanical Engineering)

Time: 3 hours Max. Marks: 70

Question paper consists of Part-A and Part-B

Answer ALL sub questions from Part-A

Answer any THREE questions from Part-B

*****

Code No: PT41031 Set No. 1 R13

1 of 2

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5. a) Explain delta type strain gauge Rosettes with a neat sketch. [8]

b) A 200 Ώ strain gauge is bonded to a steel bar which is subjected to a tensile load.

Cross sectional area of the bar is 0.8×10-4

m2 and E= 200 GN/m

2. If load of 70

kN produces a change of 1.6 Ώ in the gauge resistance. Determine the gauge

factor of the gauge.

[8]

6. a) With a neat diagram, write a note on the measurement of humidity using a dew

point meter.

[8]

b) Discuss in detail with neat sketch the working principle of torsion meters. [8]

7. a) Describe typical closed-loop control systems that can be used in order to control

the temperature of water being heated by steam, and Draw the block diagram of

the arrangement and mention the use of feed back in application.

[8]

b) Write a short note on

i) Servomechanism

ii) Temperature control system

[8]

Code No: PT41031 Set No. 1 R13

2 of 2

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PART–A (22 Marks)

1. a) List the crop seasons and discuss them. [3]

b) What are different types of canals. [3]

c) Define a canal outlet. Discuss any one type. [4]

d) What is a fish ladder? [4]

e) What is a limiting height of a gravity dam? [4]

f) What are the types of spillways? [4]


2. a) Define duty and delta and derive the relation between them. [8]

b) Find the frequency of irrigation for the following data

Field capacity : 27%

Wilting point : 14%

Density of soil : 1.5 g/cm3

Root zone depth : 75 cm

Daily consumptive use : 11 mm

[8]

3. a) Discuss design principle of a channel using Lacey’s method. [8]

b) Design an irrigation channel based on Kennedy’s theory with the following

details

Discharge : 60 cumec

Bed Slope : 1 in 6000

Critical Velocity Ratio m : 1.05

Rugosity coefficient : 0.02

[8]


WATER RESOURCES ENGINEERING - II

(Civil Engineering)





*****

Code No: RT41014 Set No. 1 R13

1 of 2

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4. a) How are the cross drainage works classified? Discuss them with neat diagrams. [8]

b) Bring out features of a river training work. [8]

5. A weir on a permeable foundation is present as noted below. Find the uplift

pressures at EDC using Khosla’s curves.

[16]

6. A masonry dam 10 m high is trapezoidal in section with a top width of 1m and

bottom width of 8.25m. The upstream face has a batter of 1:10. The water is

stored up to 10m height. There is no downstream water. Find the factor of safety

against overturning. Consider water force, self weight and full uplift pressure.

Assume unit weight of masonry and water suitably.

[16]

7. a) Discuss the classification of earth dams in detail with neat sketches. [8]

b) List out different types of spillway gates and discuss them with neat diagrams. [8]

2 of 2


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PART–A (22 Marks)

1. a) List the principal crops in India and discuss them. [3]

b) Differentiate between ridge canal and contour canal. [3]

c) Define a cross drainage work. Discuss any one type. [4]

d) List the types of diversion head works. [4]

e) Explain how force due to waves in a reservoir can be found? [4]

f) Discuss ogee spillway. [4]


2. a) What are the different types of irrigation? Discuss them in detail. [8]

b) After how many days will supply the irrigation water for the following field data

Field capacity : 29%

Wilting point : 12%

Density of soil : 1.5 g/cm3

Root zone depth : 1.5 cm

Daily consumptive use : 15 mm

[8]

3. a) Discuss the design principles of channels by Kennydy’s and Lacey’s methods. [8]

b) Design an irrigation channel for the following data

Discharge : 20 cumecs

B/D Ratio : 6

Critical Velocity Ratio : 1.02

Rugosity Coefficient : 0.022

[8]



(Civil Engineering)





*****


1 of 2

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4. a) List out different types of canal outlets and discuss them. [8]

b) What is a river training work? What are the objectives? [8]

5. The line diagram of a weir on permeable foundation is given below. Find the

uplift pressures at E1 and D1 using Khosla’s curves.

[16]

6. A concrete dam 15 m high is trapezoidal in section with a top width of 1m and

bottom width of 8.25m. The upstream face has a batter of 1:15. The water is

stored up to 15m height. There is no downstream water. Find the factor of safety

against sliding. Consider water force, self weight and full uplift pressure.

Assume unit weight of concrete and water suitably.

[16]

7. a) Explain different causes of failure of earth dam. [8]

b) What is a phreatic line? How do you draw it to estimate seepage through an

earth dam?

[8]

2 of 2


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PART–A (22 Marks)

1. a) Briefly explain the necessity to have irrigation. [3]

b) What is balancing depth of cutting? [3]

c) Differentiate between head regulator and cross regulator. [4]

d) Define exit gradient with reference to weir on permeable foundation. [4]

e) What are the factors to decide site for a reservoir? [4]

f) What is a stilling basin? [4]


2. a) Discuss different methods of application of irrigation water. [8]

b) Find the delta for a crop if the following details are given as

Duty at the water course : 1800 hectares per cumec

Base period for the crop : 130 days

[8]

3. a) Discuss the classification of canals in detail. [8]

b) Design an irrigation channel using Lacey’s theory for the following data

Discharge : 40 m3/sec

Silt factor : 1.02

Side Slope : ½ : 1

[8]

4. a) Discuss the types of cross drainage works. [8]

b) Explain the features of river training. [8]



(Civil Engineering)





*****


1 of 2

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5. The following weir is founded on a permeable foundation. Find the uplift

pressures at C and E1 using Khosla’s curves. Apply correction for interference

of piles.

[16]

6. Find the factors of safety against overturning of the following gravity dam

about base AB. Take unit weight of dam material as 24 KN /m3

[16]

7. a) How are the earth dams classified? [8]

b) List out types of spillways and discuss them. [8]

2 of 2


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PART–A (22 Marks)

1. a) Explain crop rotation with examples. [3]

b) What is canal lining and what are the economic benefits? [3]

c) Define a fall. When is it necessary to construct a fall? [4]

d) Explain the procedure to find out hydraulic gradient below the weir on

permeable foundation.

[4]

e) What are the zones of storage in a reservoir? [4]

f) What are the different types of spillways? [4]


2. a) Explain different types of Irrigation in detail. [8]

b) A crop requires a total depth of water of 120 cm. Find the duty of water if the

base period for the crop is 110 days.

[8]

3. a) How are the canals classified? [8]

b) Design an irrigation channel using Lacey’s theory for the following data

Discharge : 55m3/sec

Silt factor : 1.00

Side Slope : ½ : 1

[8]

4. a) What is a regulator in canal? Differentiate between head regulator and cross

regulator.

[8]

b) List out types of canal outlets and discuss them. [8]



(Civil Engineering)





*****


1 of 2

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5. Find out the uplift pressure at mid-point below the floor between the two files

for the weir founded on permeable foundation. Use Khosla’s curves. Also find

exit gradient.

[16]

6. Find the factors of safety against sliding of the following gravity dam about base

AB. Take unit weight of dam material as 24 KN /m3

[16]

7. a) How are the earth dams classified? [8]

b) List out different causes of failure of earth dam and discuss them. [8]

2 of 2


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PART–A (22 Marks)

1. a) Write the significance of load factor? [3]

b) Define feeder, distributor and service mains. Also show them with simple

pictorial representation.

[4]

c) What is meant by voltage drop and voltage regulation? Derive the relationship

between them.

[4]

d) What is meant by fault? Classify types fault occurred in distribution system. [3]

e) What are the causes of low power factor? [4]

f) Explain the effect of series capacitors on control of voltage. [4]


2. a) Discuss about the load modeling. [7]

b) The daily demands of three consumers are given below:

Time Consumer1 Consumer2 Consumer3

12midnight to 8am no load 200w no load

8am to 2 pm 600w no load 200w

2 pm to 4 pm 200w 1000w 1200w

4 pm to 10 pm 800w no load no load

10 pm to 12 midnight no load 200w 200w

Plot the load curve and find i) maximum demand of individual consumer

ii) load factor of individual consumer iii) diversity factor and

iv) load factor of the station

[9]

3. a) List the design and operational aspects that affects the primary feeder voltage

level.

[8]

b) How is the rating of distribution substation decided? Explain. [8]


ELECTRICAL DISTRIBUTION SYSTEMS

(Electrical and Electronics Engineering)





*****


1 of 2

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4. a) Discuss importance of voltage drop and power loss calculations in distribution

system.

[8]

b) A 2 wire DC distributor AB, 600m long is loaded as under distance from

Distance (mts) 150 300 350 450

Load (Amps) 100 200 250 300

The feeding point A is maintained at 440V and that of B at 430V. If each

conductor has a resistance of 0.01per 100m, calculate:

i) The currents supplied from A to B ii) The power dispatched in the distributor.

[8]

5. a) Discuss the co-ordination procedure between fuse and a circuit breaker. [8]

b) Discuss about the objectives of distribution system protection. [8]

6. a) Write down the procedure to determine the best capacitor location. [8]

b) A 3 phase overhead line has resistance and reactance per phase of 5 ohm and 20

ohm respectively. The load at the receiving end is 25MW at 33 kV and a power

factor of 0.8 lagging. Find the capacity of the synchronous condenser required for

this load condition if it is connected at the receiving end and the line voltages at

both ends are maintained at 33kV.

[8]

7. a) How an AVB can control voltage? With the aid of suitable diagram explain its

function.

[8]

b) Discuss about the line drop compensation with the help of neat diagram. [8]

2 of 2


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PART–A (22 Marks)

1. a) The average load factor of a substation is 0.65. Determine the average loss factor

at i) Urban Area ii) Rural Area.

[4]

b) Classify different types of primary feeders and write their voltage levels. [3]

c) Compare 2 wire and 3 wire DC distribution networks. [4]

d) Discuss about the advantages and disadvantages of fuses. [3]

e) Explain why the power factor of distribution system to be controlled or

compensated.

[4]

f) What is meant by voltage control? List out various types of equipment used for

voltage control?

[4]


2. Classify the types of loads and draw their characteristics in detail. [16]

3. a) Classify different types of primary feeders and give their merits and demerits. [8]

b) Enumerate the various factors to be considered for ideal location of substation. [8]

4. a) Derive the voltage drop and power loss of non - three phase distribution systems

and compare with the three phase balanced system.

[8]

b) A 2 wire dc distributor AB is 300m long. The end A is fed at 205 V and end B at

200V. The distributor is uniformly loaded at 0.15A/meter length and has

concentrated loads of 50A, 60A and 40A at point distant 75, 175, 225m

respectively from the end A. The resistance of each conductor is 0.14ohm per

kilometer. Calculate (i) the point of minimum potential (ii) currents fed at ends

A & B

[8]








*****

Code No: RT41029

RT41029

RT41029

Set No. 2 R13

1 of 2

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5. a) Briefly discuss the general coordination procedure. [8]

b) List out types protective devices used and explain principle of operation of any

two of them.

[8]

6. a) Compare and explain the role of shunt and series capacitors for power factor

correction.

[8]

b) A 3- phase 500 hp, 50 Hz 11 kV star connected induction motor has a full load

efficiency of 85% at a lagging p.f of 0.75 and connected to a feeder. If it is

desired to correct it to a p.f of 0.9 lagging load. Determine the following

i) The size of the capacitor bank in KVAR.

ii) The capacitance of each unit if the capacitors are connected in star as well as

delta.

[8]

7. Briefly write the various methods adapted for voltage control and write the

merits and demerits of it.

[16]

2 of 2


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PART–A (22 Marks)

1. a) Define hot reserve and spinning power. [3]

b) What is a substation? How substations are classified? Mention any two layouts of

laying out a substation?

[4]

c) Discuss about the types of DC distribution. [4]

d) Discuss about the difference between circuit reclosures and circuit breakers. [3]

e) What is meant by power capacitor? Mention the types of power capacitors. [4]

f) Explain about the line drop compensation in distribution systems. [4]


2. a) What is meant by load factor and loss factor? Obtain the relation between load

factor and loss factor.

[8]

b) Assume that the annual peak load of a primary feeder is 2000 KW, at which the

power is 80 KW per three phases. Assuming an annual loss factor of 0.15.

Determine i) the total annual energy loss due to the copper losses of the feeder

ii) The average annual power loss

[8]

3. a) How do you analyze a substation service area with ‘n’ primary feeders? [8]

b) List the design and operational aspects that affects the primary feeder voltage

level.

[8]

4. Show that power loss due to load currents of the two phase, 3 wire lateral with

full capacity neutral is exactly equal to 2.25 times larger than the one in which

equivalent three phase lateral is used. Also prove that VD pu, 2ϕ =2.1xVDpu, 3ϕ

for the above system.

[16]








*****


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5. a) Explain the principle of operation of i) line sectionalizers ii) circuit breaker. [8]

b) Discuss in detail about the Residual current circuit breaker. [8]

6. a) Explain in detail about the effect of shunt compensation on distribution system [8]

b) A 440 V, 50 cycles three phase line delivers 250 KW at 0.7 p.f (lag). It is desire

to bring the line p.f to unity by installing shunt capacitors. Calculate the

capacitance if they are: i) star connected ii) Delta connected.

[8]

7. What is meant by voltage control? List out the equipment that is used for voltage

control. How an AVR can control voltage? With the aid of suitable diagram

explain its function.

[16]

2 of 2

Code No: RT41029 Set No.3 R13

|''|'||||''|''||'|||

PART–A (22 Marks)

1. a) Define coincidence factor and write its significance on distribution system. [3]

b) Mention any two comparisons between indoor and outdoor substations. [4]

c) Write down the importance of voltage control and explain how this effects on

power loss of distribution networks.

[4]

d) What is meant by coordination of protective devices used in protection of

distribution system?

[3]

e) Explain about the significance of power factor improvement. Also mention the

methods of power factor improvement.

[4]

f) Discuss about the AVB method of voltage control. [4]


2. a) What is meant by load modeling and explain their characteristics. [8]

b) A 120 MW substation delivers 120 MW for 3 hours 60 MW for 8 hours and shut

down for rest of each day. It is also shut down for the maintenance for 15 days

each year. Calculate its annual load and annual loss factor.

[8]

3. a) Enumerate the various factors to be considered for ideal location of substation. [8]

b) Discuss briefly the design considerations in distribution system. [8]

4. a) Derive the relationship for voltage drop and power loss for uniformly radial type

distribution load.

[8]

b) Discuss about the manual method of solution for radial networks. [8]








*****


1 of 2

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5. a) List out the types of common faults occurred on distribution system and explain

the procedure for fault calculations.

[8]

b) Explain in detail about fuse- fuse coordination. [8]

6. a) Explain the economic justification of power factor correction. [8]

b) A single-phase motor connected to a 230V, 50 Hz supply takes 25 A at p.f. of 0.7

lag. A capacitor is shunted across the motor terminals to improve the p.f to 0.9

lag. Determine the capacitance of the capacitor to be used.

[8]

7. Describe different types of equipment for voltage control with neat diagrams. [16]

2 of 2

Code No: RT41029 Set No.4 R13

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PART–A (22 Marks)

1. a) Define Weighted- Residual method? [3]

b) What is meant by discretization? [4]

c) What is meant by boundary condition? [4]

d) Specify the various elasticity equations in CST? [4]

e) Evaluate the integral I= [4]

f) Define dynamic analysis? [3]


2. a) Derive the strain displacement relation for a 2 dimensional element? [8]

b) For the differential equation for 0 < X< 1and with boundary

conditions y(0)=0 and y(1)=0, find the solution of this problem using any two

weighted residual methods.

[8]

3. a) Briefly discuss elimination approach to handle boundary conditions for solution of

system of equations?

[8]

b) Define shape function? Derive shape function in terms of Cartesian coordinates? [8]

4. a) For the two-bar truss shown in figure, determine the displacements and stress.

A1=500mm2, A2=1200mm

2, E=2x10

5 N/mm

2.

[10]

b) What is a beam? Write the hermite shape functions for beam element? [6]


FINITE ELEMENT METHODS

(Common to Mechanical Engineering, Aeronautical Engineering and Automobile

Engineering)





*****


1 of 2

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5. Derive the strain displacement relationship matrix for CST element. [16]

6. a) Define Iso-parametric, Super Parametric and Sub-Parametric elements? [6]

b) Consider a quadrilateral element as shown in fig the local coordinates are ξ =0.5,

η = 0.5. Evaluate Jacobian matrix and strain- Displacement matrix.

[10]

7. a) Determine the temperature distribution through the composite wall shown in

figure when convective heat loss occurs on the left surface. Assume unit area.

Thickness t1 = 4cm, t2 = 2cm, K1 = 0.5W/cm K, K2 = 0.05W/cm K, Tα = -50C ,

h = 0.1 W/cm2 K

[10]

b) Define lumped mass and consistent mass? [6]

2 of 2


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PART–A (22 Marks)

1. a) What is meant by plane stress analysis? Give examples. [4]

b) Differentiate between local and global coordinates? [4]

c) What types of problems are treated as one-dimensional problems? [3]

d) What is a Jacobian transformation? [3]

e) Write short notes on 1 point technique and 2 point technique? [4]

f) Define heat transfer? Write the finite element equation for 1-D heat conduction

with free end convection?

[4]


2. a) Derive the stress strain relations for a three-dimensional element? [8]

b) Explain the following:

i) variational approach ii) weighted residual methods.

[8]

3. a) Briefly discuss penalty approach to handle boundary conditions for solution of

system of equations?

[8]

b) Explain natural coordinate system? Derive expression for relation between natural

& cartesian coordinate systems?

[8]

4. a) Derive the stiffness matrix for truss element? [8]

b) For the beam shown in figure calculate the deflection under the load for the beam

[8]




Engineering)





*****


1 of 2

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5. a) Derive the stiffness matrix for CST element. [6]

b) Nodal coordinates for an Axi-Symmetric element are given below. Evaluate

Stiffness Matrix. E=2x105 N/mm

2, ʋ = 0.25.

[10]

6. Derive Strain displacement relation matrix for four noded quadrilateral element? [16]

7. Determine the Eigen values and Eigen Vectors for the stepped bar as shown in

figure?

[16]

2 of 2


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PART–A (22 Marks)

1. a) What is meant by plane strain analysis? Give examples. [4]

b) Why polynomial type of interpolation functions is mostly used in FEM? [3]

c) Derive the load vector for UDL in beam. [4]

d) What is axisymmetric element? What are the conditions for a problem to be

axisymmetric?

[4]

e) What is a higher order element? What are the ways in which a 3-D problem is

reduced to 2-D problem?

[4]

f) What do you mean by steady state heat transfer analysis? [3]


2. a) Describe the procedure involved in finite element method? [8]

b) Write the advantages, disadvantages and applications of FEM? [8]

3. a) State & explain the minimum potential energy principle? [8]

b) Explain the significance of node numbering and element numbering during the

discretization Process.

[8]

4. a) What is a truss? State the assumptions made while analyzing the truss? [8]

b) Derive the hermite shape functions in a beam element? [8]




Engineering)





*****


1 of 2

|''|'||||''|''||'|||

5. a) Calculate the stiffness matrix for the element shown in figure? Co-ordinates are

given in mm. Assume plane stress conditions. Take E=2.1X105 N/mm

2, ʋ=0.25,

t=10mm.

[8]

b) Derive the constitutive matrix for an axisymmetric element? [8]

6. A 4 noded rectangular element is shown in figure. Determine

a) Jacobian Matrix

b) Strain – Displacement Matrix

c) Element Stresses Take E = 2 x 105 N/mm

2, ʋ = 0.25, ξ = η = 0, U= [0, 0,

0.003, 0.004, 0.006, 0.004, 0, 0] T. Assume Plane Stress conditions.

[16]

7. Determine all natural frequencies of the simply supported beam as shown in

figure?

[16]

2 of 2


|''|'||||''|''||'|||

PART–A (22 Marks)

1. a) Briefly explain the concept of potential energy? [3]

b) What are the locations at which nodes can be positioned during discretization? [4]

c) Obtain the transformation matrix from local coordinates to global coordinates for

a truss element?

[4]

d) Write the constitutive matrix, stiffness matrix and strain displacement matrix for

axisymmetric element?

[4]

e) What are the advantages of Gauss quadrature numerical integration for iso-

parametric element?

[3]

f) Define Eigen value and Eigen vector? [4]


2. a) Derive Stress-equilibrium conditions for structural element. [8]

b) Briefly explain the concept of plane stress and plane strain with examples. [8]

3. a) Discuss the convergence requirements and mesh generation? [8]

b) Briefly discuss the discretization process and types of elements used for

discretization?

[8]

4. Estimate the displacement vector, stresses for the truss structure as shown below

Figure. Take E=2x105 N/mm

2.

[16]




Engineering)





*****


1 of 2

|''|'||||''|''||'|||

5. a) Derive the stiffness matrix for axisymmetric element? [8]

b) Calculate displacements and stress in a triangular plate, fixed along one edge and

subjected to concentrated load at its free end. Assume E = 70,000 MPa, t = 10

mm and ʋ = 0.3.

[8]

6. a) Evaluate jacobian matrix at ξ = η = 0.5 for the linear quadrilateral element shown

in figure

[8]

b) Evaluate the following

[8]

7. a) Determine the temperature distribution in 1D rectangular cross section fin with

8cm long, 4cm wide, 1cm thick. Assume that convective heat loss occurs from

the end of the fin. Take K = 3W/cm K, h = 0.1W/cm2 k and Tα = 20

0C. tip

temperature is 1000C.

[10]

b) Derive mass matrices for 1D Bar Element and Truss Element? [6]

2 of 2


|''|'||||''|''||'|||

PART–A (22 Marks)

1. a) Write the structure of buses used in computer system? [3]

b) List out the typical logical and bit manipulation instructions. [4]

c) Write about the fetch routine in symbolic microinstructions. [3]

d) Differentiate logical and physical address representations. [4]

e) Write about first-in and first-out buffers in asynchronous data transfer. [4]

f) What is inter- process arbitration? [4]


2. a) Explain various number systems and number representations used in system. [8]

b) Dividend A=01110 Divisor B=10001. Explain flowchart for divide operation.

[8]

3. a) What is the purpose of addressing modes? Explain various addressing mode

techniques.

[8]

b) Design and explain 4-bit adder-subtractor and 4-bit arithmetic circuit to perform

addition and subtraction using full adders.

[8]

4. a) Explain micro sequencer organization with a neat sketch. [8]

b) Discuss the following: Computer configuration for micro program, Symbolic

micro program and binary micro program.

[8]

5. a) Explain Cache memory organization with Associative mapping? Explain how it

improves the memory access time?

[8]

b) What is the need for replacement? Explain various cache block replacement

algorithms.

[8]

6. a) Show internal configuration of a DMA controller diagrammatically and explain

how it’s working.

[8]

b) Explain about Prioritized Interrupts and interrupts cycle.

[8]

7. a) Write about i) No-operations ii) instruction reordering iii) annulling [8]

b) What is cache coherence problem? Explain various protocols to handle it. [8]

1 of 1


COMPUTER ARCHITECTURE & ORGANIZATION

(Common to Electronics & Communication Engineering and Electronics &

Instrumentation Engineering)





*****


|''|'||||''|''||'|||

PART–A (22 Marks)

1. a) How to estimate the performance of software? [3]

b) What is high impedance state in bus buffer? [4]

c) Explain the format of micro instruction. [3]

d) What is segmented page mapping? [4]

e) Write about parallel priority interrupts. [4]

f) List out the typical characteristic of multiprocessors. [4]


2. a) Perform the subtraction of Unsigned numbers using 10’s and 2’s compliment.

Give at least two examples.

[8]

b) Explain the process of multiplying binary integers with Booth’s algorithm.

[8]

3. a) Define micro-operation and explain the four Basic types of shift micro-operation

and their variants.

[8]

b) Consider the arithmetic statement X= (A+B)*(C+D). Explain the influence of

number of addresses on computer program.

[8]

4. a) Explain the organizations of micro programmed control unit with neat sketch. [8]

b) What is address sequencing? Explain the conditional branching and mapping of

instruction in it.

[8]

5. a) Explain Cache with Set-Associative and direct mapping. Assume your own

example address and explain.

[8]

b) Explain how memory management unit provides memory protection.

[8]

6. a) Explain Types of Interrupts with an example for each. [8]

b) Explain with a neat diagram, system configuration incorporating an I/O processor.

[8]

7. a) Explain how to resolve branch conflicts in Instruction pipeline. [8]

b) Discuss various inter connection structures available for multiprocessor systems. [8]

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PART–A (22 Marks)

1. a) What is fixed point representation? [4]

b) How to specify the internal organization of a digital computer? [3]

c) Write short notes on conditional branching. [4]

d) Define pages, blocks and page frames. [4]

e) What is data transparency? [3]

f) Define delayed load and delayed branch. [4]


2. a) Convert the (256)10 into following codes

i) Binary Coded Decimal (BCD) ii) Excess 3 codes

iii) Gray code iv) Reflected Code

[8]

b) Explain addition and subtraction algorithms for data represented in signed-

magnitude and signed 2’s compliment.

[8]

3. a) Explain the following with respect to stack organization

i) Register stack ii) Stack Operations iii) Reverse Polish Notation

[9]

b) With neat sketch explain the design of control unit of basic computer.

[7]

4. a) Write the format of the micro instruction and micro operations for the control

memory.

[8]

b) Explain the mapping from instruction code to micro instruction address. Give

the first micro instruction for the 0010, 1011 and 1111.

[8]

5. a) Explain how the logical address is translated into physical address in paging. [10]

b) Explain the relationship between address and memory space in virtual memory

system.

[6]









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6. a) Explain the following with respect to serial communication: Character oriented

protocol and Bit Oriented protocol.

[8]

b) What are the handshaking signals? Explain handshake control of data transfer

during input and output operations.

[8]

7. Write short notes on the following

a) Parallel Arbitration

b) Matrix multiplication using vector processing.

c) RS232 serial Interface.

[5]

[5]

[6]


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PART–A (22 Marks)

1. a) Write about alphanumeric codes. [3]

b) What is register-reference instruction? [4]

c) What is the role of control memory in micro programmed control? [4]

d) What is content addressable memory? [3]

e) Differentiate isolated I/O and Memory mapped I/O. [4]

f) Write short notes on three segment instruction pipeline. [4]


2. a) How to represent the signed integer numbers? Perform arithmetic addition and

subtraction using 2’s compliment. In this how to handle overflow?

[8]

b) Multiplicand B=10111, Multiplier A= 10011. Explain the hardware

implementation and algorithm for multiply operation.

[8]

3. a) Explain the complete design of simple system to implement RTL code using

direct connections, bus and tri-state buffers.

[8]

b) What are the different phases a basic computer instruction cycle consists? Explain

instruction cycle with flowchart.

[8]

4. a) Explain the design of control unit. How to decode the micro operation fields?

Explain the process.

[8]

b) Write the differences between hardwired control and micro programmed control?

Is it possible to have a hardwired control associated with a control memory?

[8]









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5. a) Explain Cache with associative and two way Set- Associative mapping with a

line size of 4 bytes.

[10]

b) What are the techniques used to write Data into the Cache?

[6]

6. a) Explain different types of I/O communication techniques with merits and

demerits.

[8]

b) What is the need for I/O Processor? Explain the working style of I/O processor.

[8]

7. a) Explain different physical forms available to establish inter-connection between

various functional units in multiprocessor systems.

[8]

b) With neat sketch explain Time Shared Common Bus Organization and also

discuss its merits and demerits.

[8]

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PART–A (22 Marks)

1. a) What is a project? [4]

b) Describe the V-process model. [4]

c) Where are estimates done? [4]

d) Describe Monte Carlo simulation. [4]

e) Explain about cost monitoring. [3]

f) What is quality? [3]


2. a) What are some ways of categorizing software projects? Explain about the project

as a system.

[8]

b) How to estimate effort for each activity in project planning? How to allocate

resources?

[8]

3. a) Discuss in detail about software prototyping. [8]

b) What are the engineering sets? Explain. [8]

4. a) Explain in detail about risk identification. [8]

b) What are the five categories of risk reduction? Explain. [8]

5. a) Describe the nature of resources in detail. [8]

b) Explain about defects tracking. [8]

6. a) What are quality measures? Explain. [8]

b) Explain about statistical process control.

[8]

7 a) Explain product Vs process quality management [8]

b) Discuss ISO 9126. [8]

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SOFTWARE PROJECT MANAGEMENT

(Common to Computer Science & Engineering and Information Technology)





*****

Code No: RT4105C Set No. 1 R13

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PART–A (22 Marks)

1. a) What is management? [4]

b) Discuss about the management set. [4]

c) Explain procedural code-oriented approach. [4]

d) What is the nature of the risk? [4]

e) Define ordered list priority. [3]

f) What are Product Quality Metrics? [3]


2. a) What are the activities covered by software project management? [8]

b) How to identify project products and activities? Explain. [8]

3. a) What are management artifacts? Explain. [8]

b) Discuss in detail about choosing technologies. [8]

4. a) Explain about Albrecht function point analysis. [8]

b) How to identify critical activities? How to identify critical path? [8]

5. a) List the major risks that might affect your next programming assignment and

identify strategies for minimizing each of those risks.

[8]

b) Explain in detail about risk analysis. [8]

6. a) Discuss about resource scheduling. [8]

b) Describe earned value in detail. [8]

7. a) What is CMM? What are its levels? Explain. [8]

b) Discuss in detail about ISO 9016 standard. [8]

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PART–A (22 Marks)

1. a) How to select a project? [4]

b) What are structured methods? [4]

c) What is usecase-based estimation? [4]

d) What is risk exposure? [4]

e) What is project reporting structure? [3]

f) What are quality concepts? [3]


2. a) Who are stakeholders? Explain management control. [8]

b) How to identify project scope and objectives? Explain. [8]

3. a) What are software process workflows? Explain in detail. [8]

b) Give examples of prototyping and incremental methods. [8]

4. a) What are software effort estimation techniques? Explain. [8]

b) How to formulate a network model? Explain. [8]

5. a) Explain in detail about Boem’s risk engineering task breakdown. [8]

b) What is a risk? How to manage risks? [8]

6. a) How to identify resource requirements? Explain. [8]

b) Explain in detail about visualizing progress with neat diagrams. [8]

7. a) Discuss about enhancing software quality. [8]

b) Explain in detail about quality management planning. [8]

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PART–A (22 Marks)

1. a) How to analyze project characteristics? [4]

b) Discuss about pragmatic artifacts. [4]

c) What are the objectives of the activity planning? [4]

d) What are the advantages of Monte Carlo simulation? [4]

e) What is a ball chart? [3]

f) What is CMM? [3]


2. a) What are the problems with software projects? Explain. [8]

b) How to identify project infrastructure? Explain. [8]

3. a) Explain in detail about iteration workflows. [8]

b) Briefly explain about RAD, waterfall and spiral process models. [8]

4. a) Explain in detail about COCOMO model with example. [8]

b) What are the three approaches to identify the activities that make up a project?

Explain.

[8]

5. a) Explain in detail about risk management. [8]

b) Explain about PERT technique with example. [8]

6. a) Discuss in detail about cost schedules. [8]

b) Explain about creating the framework. [8]

7. a) Explain about quantitative quality management planning. [8]

b) Briefly explain about quality concepts. [8]

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IV B.Tech I Semester Supplementary Examinations, November - 2016

REMOTE SENSING AND GIS APPLICATIONS

(Civil Engineering)


Answer any FIVE Questions

All Questions carry equal marks

*****

1 a) Write short notes on Rayleigh scattering [7]

b) Define remote sensing and briefly discuss the essential components of remote

sensing

[8]

2 a) Differentiate between geo stationary and sun synchronous satellites? [8]

b) What are the advantages and disadvantages of using Remote sensed data?

[7]

3 a) Briefly explain the process of filtering with an example. [8]

b) Differentiate between supervised and unsupervised classification.

[7]

4 a) Explain the merits and demerits between digital cartography and geographical

information.

[8]

b) What are the different types of coordinate systems used in GIS?

[7]

5 a) Explain relational database management system with an example. [8]

b) Differentiate between raster and vector data models.

[7]

6 a) Briefly explain the process of reclassification with an example [7]

b) Explain vector overlay with suitable examples.

[8]

7 a) Discuss the Engineering and Military applications of Digital terrain models in

detail.

[7]

b) Briefly explain the importance of Land Use Land Cover changes in civil

engineering applications.

[8]

8 a) Explain how remote sensing and GIS techniques are used in mapping of flood-

prone areas.

[7]

b) Briefly explain how GIS and RS can be helpful in estimating the loss of

reservoir capacity due to sedimentation.

[8]

Code No: R41014 Set No. 1 R10

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UN CONVENTIONAL MACHINING PROCESSES

(Mechanical Engineering)




*****

1 a) Explain classification of modern machining processes. [8]

b) What are the considerations of process selection and applications of UCMP?

[7]

2 a) Explain in detail the process parameters of MRR in ultrasonic machining. [8]

b) List in detail economic considerations, applications and limitations of

ultrasonic machining.

[7]

3 a) Explain about the basic principles, equipments, process variables of water jet

machining.

[8]

b) Explain in detail the MRR, application and limitations of water jet machining.

[7]

4 a) Explain in detail the fundamentals and mechanism of chemical machining. [8]

b) List out various advantages and applications of chemical machining.

[7]

5 a) Explain in detail selection of tool electrode and dielectric fluids, surface finish

and machining accuracy in EDM.

[8]

b) List the Process parameters of EDM and explain their significance in

machining.

[7]

6 a) Describe in brief about LBM. [8]

b) Write in detail about the process parameters of EBM.

[7]

7 a) Explain the Process parameters, accuracy and surface finish of plasma in

manufacturing industry.

[8]

b) What are the applications of plasma for machining?

[7]

8 a) Explain about the Magnetic abrasive finishing. [8]

b) Explain in detail about the Abrasive flow finishing. [7]


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RADAR SYSTEMS

(Electronics and Communication Engineering)




*****

1 a) Define radar wave forms, maximum unambiguous range and resolution? [9]

b) Mention the applications of Radar?

[6]

2 a) Derive the equation for false-alarm-time(T fa) [8]

b) A radar noncoherently integrates 18 pulses, each of uniform amplitude. The IF

band width is 100kHz.

If the average time between false alarms is 20 min. What must be

the signal – to – noise ratio per pulse(S/N)n in order to achieve a

Probability of detection of 0.80?

[7]

3 a) Design the staggered PRF for periods of 25:30:27:31. [8]

b) Explain the need of modulation in CW Radar for detecting Moving targets?

[7]

4 a) Explain in detail, the working principle of range –gated Doppler filter? [8]

b) What is the first blind speed (knots) of an L-band radar (1250 MHz) when

the prf has a maximum unambiguous range of 240 nmi?

[7]

5 a) With suitable diagram explain the working priniciple of conical scan technique. [8]

b) Suggest the suitable techniques to acquisit the moving target on azimuth &

elevation plane?

[7]

6 a) Describe the lens antennas? Explain the function of lens antennas? [8]

b) Define the radome? What is the need of radome in radar system?

[7]

7 a) Derive the impulse response of a Matched filter. [8]

b) Write the specifications of a Matched filter.

[7]

8 Write short notes on

i) Receiver protector duplexer

ii) Display systems

iii) Antenna array system & grating lobes

[5]

[5]

[5]


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MOBILE COMPUTING





*****

1 a) What do you mean by signal propagation? Explain about various signal

propagation methods.

[8]

b) Define mobile computing? Explain the architecture of mobile computing.

[7]

2 a) What is meant by cellular communication and explain the basic structure

(various units) of a cell.

[7]

b) Explain in detail about the various limitations of mobile devices.

[8]

3 a) Explain the GSM services with a neat sketch. [8]

b) Explain about the handover mechanism in GSM.

[7]

4 a) What do you mean by medium access control (MAC) and which layer is

responsible for it. Briefly explain the protocols relevant to MAC.

[8]

b) Explain the role of RTS (Request To Send) and CTS (Clear To Send) w.r.to

implementing MAC in Hidden & Exposed terminals, Near & Far terminals.

[7]

5 a) What do you mean by tunneling & encapsulation? Explain about IP-in-IP

encapsulation.

[7]

b) How a mobile node (MN) knows its location after moving to a new location –

explain.

[8]

6 a) What is data synchronization and explain the various categories of data

synchronization?

[7]

b) Explain the mobile agent based architecture with neat sketch.

[8]

7 a) Draw the structure of a MANET and list out the properties of a MANET. [8]

b) What is a wireless sensor network and explain the internal architecture of a

smart wireless sensor.

[7]

8 a) Explain the protocol architecture of IEEE 802.11 with neat sketch. [8]

b) Briefly explain about the wireless application environment. [7]


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Documents

Code No: PT41031 Set No. 1 INSTRUMENTATION AND CONTROL …bitsvizag.com/OLD BITSVIZAG/BITS/EXAM CELL/q.p/4-1... · d) What is the working principle of a stroboscope? [3] e) Explain