42
v - s Code : 13CS4202 R - 13 B.TECH. DEGREE SUPPLEMENTARY EXAMINATION , NOVEMBER 2020 IV B.Tech . II Semester STORAGE AREA NETWORKS (Computer Science & Engineering ) Time : 3 hours Max. Marks :60 Answer FIVE Questions , Choosing ONE Question from each section All Questions carry equal marks *** SECTION - I Why Storage networks makes sense? Explain. 1 a. Explain basic requirements of storage systems. b. Explain SAN model for Enterprise Information Processing 2 SECTION - II What is data Center? Discuss Data Center evolution. 3 What is clustering? Explain various clusters with examples. 4 SECTION - III Explain different data transformation paths found in application systems . 5 a Discuss computer system components in which transformation is implemented b What are the challenges for network storage? Explain in detail. 6 SECTION - IV What is data Replication? Explain different types of data Replications. 7 Describe In Detail "File Systems and Application Performance". 8 SECTION - V Distinguish between business continuity and disaster recovery. 9 10 a) Explain reasons for which Backup is performed. b) Discuss various backup policies of the Enterprise.

BTECH DEGREE SUPPLEMENTARY EXAMINATION IV BTech II …

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v-sCode : 13CS4202R-13

B.TECH. DEGREE SUPPLEMENTARY EXAMINATION, NOVEMBER 2020IV B.Tech. II Semester

STORAGE AREA NETWORKS(Computer Science & Engineering)

Time : 3 hours Max. Marks :60

Answer FIVE Questions, Choosing ONE Question from each sectionAll Questions carry equal marks

* * *

SECTION - I

Why Storage networks makes sense? Explain.1 a.

Explain basic requirements of storage systems.b.

Explain SAN model for Enterprise Information Processing2

SECTION - II

What is data Center? Discuss Data Center evolution.3

What is clustering? Explain various clusters with examples.4

SECTION - III

Explain different data transformation paths found in application systems.5 a

Discuss computer system components in which transformation is implementedb

What are the challenges for network storage? Explain in detail.6

SECTION - IV

What is data Replication? Explain different types of data Replications.7

Describe In Detail "File Systems and Application Performance".8

SECTION - V

Distinguish between business continuity and disaster recovery.9

10 a) Explain reasons for which Backup is performed.

b) Discuss various backup policies of the Enterprise. ’

.

Code .-13EC4202R-13

B.TECH.DEGREE SUPPLEMENTARY EXAMINATION, NOVEMBER 2020IV B.Tech. II Semester

SATELLITE COMMUNICATION(Electronics & Communication Engineering)

Time : 3 hours Max. Marks :60

Answer FIVE Questions, Choosing ONE Question from each sectionAll Questions carry equal marks

rk ie *

SECTION - I

(a) Describe briefly the main advantages offered by satellite communications(b) Discuss briefly the classification of various satellite services.

1

(a) The orbit for an earth-orbiting satellite has an eccentricity of 0.15 and a semi majoraxis of 9000 km. Determine (i) its periodic time (ii) the apogee height (iii) the perigeeheight. Assume a mean value of 6371 km for earth’s radius.

(b) Explain what is meant by apogee height and perigee height.

2

SECTION - II

(a) Explain what is meant by frequency reuse and describe briefly two methods by whichthis can be achieved.

(b) Explain the TTC&M satellite subsystem with a neat diagram

3

4 (a) Describe the functions of satellite communication subsystem(b) Briefly describe the equipment sections making up a transponder channel.

SECTION - III

5 (a) A transmitter feeds a power of 10W into an antenna which has a gain of 46 dB.Calculate the EIRP in (i) watts (ii) dBW.

(b) Explain combined uplink and downlink C/N ratio.

6 (a) Expalin down link analysis for 6/4 x2 satellite and caluclate C/N ratio.(b) The noise factor of an amplifier is 7:1. Calculate (i) Noise figure (ii) Equivalent noise

temperature.

SECTION - IV

(a) Explain what is meant by single access in relation to a satellite communicationsnetwork. Give an example of the type of traffic route where single access would beused.

(b) What is the function of (i) the burst-code word and (ii) the carrier and bit-timingrecovery channel in a TDMA burst?

7

(a) Explain the principle behind spectrum spreading and despreading and how this usedto minimize interference in a CDMA system

(b) Explain what is meant by FDMA and show how this differs from FDM.

8

SECTION - V

9 (a) Explain the generation of GPS signals with a neat sketch(b) Describe the various sources of errors in GPS.

What are the main considerations in the design of earth station? And how the earthstations are classified?

10

Code : 13ME4202R-13

B.TECH. DEGREE SUPPLEMENTARY EXAMINATION, NOVEMBER 2020IV B.Tech II Semester

FINITE ELEMENTS METHOD(Mechanical Engineering)

Time : 3 hours Max Marks: 60

Answer FIVE Questions> Choosing ONE Questionfrom each sectionAll Questions carry equal marks

* * *

SECTION - I

1 (a) Discuss how finite element method is evolved in the engineering field,

(b) Discuss the advantages and disadvantages of Finite Element Method

2 (a) Classify different methods of analysis.(b) Discuss Boundary and Initial value problems with a suitable example.

SECTION - II

d 2 y3 +500 x2=0,The differential equation of physical phenomenon is given by0< x< 1, with boundary conditions y(0)=0 and y(l) =0 using Galarkin’s methodof weighted residual find an approximate solution of the above differential

equation.

dx 2

Derive the solution for the differential equation given below using weak form ofweighted residual method.

d2u

4

Boundary conditions..... ... . duu(Q) - 0, AE —dx X=L

Hr ax — 0AEdx2

= o .

Note: Use a trail solution u(x) = cix+ C2X2

SECTION - III

Derive an equation to find the displacement at node 2 of fixed-fixed beam subjected toaxial load ‘P’ at node 2 using Rayleigh-Ritz method.

5

it2 1m r*/

£in —# m ¥

X,u

A wall consists of 4cm thick wood, 10cm thick glass fiber insulation and 1cm thickplaster. If the temperature on the wood and plaster faces are 20°C and -20°Crespectively. Determine the temperature distribution in the wall with ID linearelement approach. Assume thermal conductivity of wood, glass and plaster as 0.17,0.035 and 0.5 W/m-°C. The convective heat transfer coefficient on the colder sideof the wall as 25W/m2-°C.

6

SECTION - IV

Consider a stepped bar shown in figure, an axial load P- 600kN is applied as sown.Determine the nodal displacements using finite element concept.

Take E= 200x109N/m2.

7

400 mm2

250 mm2

/

* P

/

1150 mmrt150 mm. 300 mm

For the beam loaded as shown in figure, determine the slope at the simple supports.Take E=200GPa, I=4xl06m4.

8

24kN/ml/1

X

CJCJLJ/ / / / / /5m5m

4 *4 >

SECTION - V

9 Derive Stiffness matrix for a CST element

Use Gaussian Quadrature to obtain the exact value for the following integral.

/^(r3 — l)(s2 + s )dr . ds10

R-13Code : 13EE4218

B.TECH. DEGREE SUPPLEMENTARY EXAMINATION, NOVEMBER 2020IV B.Tech. II Semester

POWER SYSTEM OPERATION AND CONTROL(Electrical & Electronics Engineering )

Time: 3 hours Max. Marks: 60Answer FIVE Questions, Choosing ONE Question from each section

All Questions carry equal marks•k * *

SECTION - I(a) Explain how the incremental production cost of a thermal power station can be

determined.

(b) Three power plants of total capacity of 500 MW are scheduled for operation tosupply a total system load of 350 MW. Find the optimum load scheduling if theplants have the following incremental cost characteristics and the generatorconstraints

1.

dC, = 40 + 0.25P, Rs/MWHr 30 < P, <150 MWi idP,dC2 = 50 + 0.30P2 Rs/MWHr 40 < P2 <125 MWdP2

dC3 = 20 + O.2OP3 Rs/MWHr 50 < P3 < 225 MWdP3

(a) What is Production cost of power generated and incremental fuel rate?(b) Two plants connected by a transmission lines with plant load is shown in figure.

Data for the transmission losses consists of the information that a 200 MWtransmission from plant 1 to load results in a losses of 20 MW. Find the optimalgenerating schedule considering the transmission losses to supply a load of 204.41MW. Also evaluate the amount of financial loss that occurs if the transmissionlosses are not coordinated. Assume the incremental cost characteristics of theplants are given as:

2.

dF GEN I GEN21 = 0.025P +14 RsIMWhr1dPxdF2 = 0.05P +16 Rs / MWhr1 rrdP2

SECTION - II

(a) Derive the coordination equation for the optimal scheduling of hydrothermalInterconnected power plants.

3.

(b) In a two plant operation system, the hydro plant is operation for 10 Hrs. duringeach day and the steam plant is to operate all over the day. The characteristics ofthe steam and hydro plants are:

F{ = 0.04i^2 + 30^ +10 Rs / hr;

Why =0.12P> +30PfiWhen both plants are running, the power flow from steam plant to load is 150 MWand the total quantity of water is used for the hydro plant operation during 10 Hrs.is 150A106 m3 . Determine the generation of hydro plant and cost of water used.

Neglect the transmission losses. A thermal station and a hydro station supply anarea jointly. The hydro station is run 12 Hrs. daily and the thermal station is runthroughout 24 Hr.

m3 / Sec.hy

Obtain the economic schedule of two units whose cost functions are

F2 = O.IP22 +32P2 Rs / hr and F{ = O.lif +25/J Rs / hr to supply a load of 10MW in steps of two MW using dynamic programming method.

4.

SECTION - III

(a) Explain about the various performance requirements of an excitation system.(b) Describe the various blocks of excitation system and develop the mathematical

model of the system.

5.

(a) What are the effects of generator loading in AVR loop?(b) Static error in AVR deceases with increased loop gain. Justify this. Find the

minimum value of open loop gain K, for the static error to be less than i) 1% ii) 2%and iii) 3% of reference input.

6.

SECTION - IV

(a) Justify the need for maintaining the frequency and voltage constant around theirnominal values?

(b) Two generators are operating in parallel at 60 Hz to supply a load of 600 MW and4% speed-droop characteristics supplies 400 MW, and unit-II which has a ratedoutput of 500 MW and speed droop characteristics of 5% and supplies theremaining 300 MW load. If the total load is increased to 800 MW, determine thenew loading of each unit and the common frequency at which the units operate.

7.

(a) Discuss the ill effects of change in voltage and frequency of a power system.Mention the acceptable ranges of these changes.

(b) A single area system has the following data:Speed regulation, R = 4 Hz / pu MW,Damping co-efficient, B = 0.1 pu MW / Hz,Power system time constant, Tp = 10 Sec.,Power system gain, Kp = 75 Hz / pu MW,When a 2% load change occurs, determine the area frequency responsecharacteristic and static frequency error what is the value of steady state frequencyerror if the governor is blocked.

8.

SECTION - V

(a) Explain energy control center and its functionalities.(b) Explain the solution procedure for the state estimation using any suitable method

with an example.

(a) Explain the data acquisition system.(b) Explain the security monitoring using state estimation with necessary diagrams.

9.

10.

Code : 13CE4202B.TECH. DEGREE SUPPLEMENTARY EXAMINATION, NOVEMBER 2020

IV B.Tech II Semester

R-13

ENVIRONMENTAL STUDIES(Civil Engineering )

Time : 3 hours Max Marks: 60

Answer FIVE Questions, Choosing ONE Question from each sectionAll questions carry equal marks

* * *

SECTION!

1 (a) Explain the scope and importance of environmental studies.(b) What are food chains and food webs? Give examples and discuss their significance.

2. (a) Classify and explain about the value of biodiversity,

(b) What are the threats to biodiversity?

SECTION-II

3 (a) Describe the main factors of land degradation.(b) What are the causes and consequences of deforestation?

4 (a) Explain the value of minerals as Natural resources,

(b) Describe the various renewable sources of energy.

SECTION-III

5 (a) What are the main causes of air pollution? Discuss their effects on human beings,

(b) Suggest the some of control measures of water pollution.

6 (a) Explain about the sources and effects of thermal pollution,

(b) Write a note on i) Global warming and ii) Composting

SECTION IV

7 (a) Explain the effects of urbanization in India,

(b) Write a short note on Green revolution.

(a) What do you know about sustainable development? What are the important componentsof sustainable development?

(b) What is meant by earthquake? Discuss causes and effects of earthquake.

8

SECTION-V

9 (a) Explain the salient features of Environmental Protection Act.(b) Give an brief account of Fluorosis in Andhra Pradesh

10 (a) Prepare a field report of the visit of river site,

(b) Give an account of the bird behaviors.

I

Code : : 13EC4201R-13

B.TECH. DEGREE SUPPLEMENTAREXAMINATION, NOVEMBER 2020

IV B.Tech. II SemesterDIGITAL IMAGE PROCESSING

(Electronics & Communication Engineering)

Time : 3 hours Max. Marks :60

Answer FIVE Questions, Choosing ONE Question from each sectionAll Questions carry equal marks

* * *SECTION-I

Discuss in detail the following terms:

(i) Image (ii) Resolution (iii) Pixel and (iv) Digital Image

Discuss the image acquisition using a single sensor, sensor strips and sensorarrays.

1.

2 .

SECTION-n3. (a) Compute Haar Transform for following N Value. N=8.

(b) Explain how Fourier transforms are useful in digital image processing

With relevant mathematical expressions, explain how a Wiener filterachieves restoration of a given degraded image

4.

SECTION-m

Explain the procedure for converting colors from RGB to HIS and viceversa.

5.

Discuss pseudo color image processing and pseudo color codingapproaches in detail.

6 .

SECTION-IV7. (a) Explain the need for Image restoration.

(b) Explain the concept of Inverse Filtering and also mention the limitations ofit.Explai the concepts of Boundary detection and Boundary Description indetail.

8 .

SECTION-V

9. (a) Prove that erosion and dilation are dual to each other.

(b) Define image segmentation. Give classification. Explain region basedsegmentation

Discuss in detail about lossy and loss less compressions in detail.10.

R-13 Code :13EE4217B.TECH. DEGREE SUPPLEMENTARY EXAMINATION, NOVEMBER 2020

IV B.Tech. II SemesterHIGH VOLTAGE ENGINEERING

(Electrical & Electronics Engineering)

Time : 3 hours Max. Marks :60

Answer FIVE Questions, Choosing ONE Question from each sectionAll Questions carry equal marks

* * *SECTION - I

(a) Explain different methods to produce high D.C voltages. Also, give theiradvantages and disadvantages.

(b) Describe with a neat sketch the working of a Vande Graaff generator. What arethe factors that limit the maximum voltage obtained?

1

2. (a) Derive the expressions for voltage ripple and regulation in a voltage multipliercircuit.(b) Explain tripping and control of impulse generators.

SECTION - IIExplain how a sphere gap can be used to measure the peak value of voltages, andillustrate it with a neat sketch. What are the parameters and factors that influencesuch voltage measurement?Describe generating voltmeter used for measuring high DC voltages. How does itcompare with a potential divider for measuring high DC currents.

3.

4.

SECTION - III

List the different tests carried for Testing of Circuit Breakers. Explain themechanical and short circuit test.Explain the Impulse Voltage Tests on Bushing.

5.

6.

SECTION - IVExplain the operation of high voltage Schering bridge for the following

If the specimen is groundedWhen the test specimen has high loss factor.

7.(i)(ii)

(a) Briefly explain how partial discharges in an insulation system can be detectedand displayed.

(b) Define the termsi) Loss factor ii) 50% Flashover voltage

8.

SECTION - V

9. (a) What is Ionization process? Explain different ionization process in detail

(b) Explain different theories of breakdown in commercial liquids.

10. (a) Explain short term and long term breakdown mechanisms that occur in acomposite solid dielectrics?

(b) What is meant by Intrinsic strength? Explain intrinsic breakdown mechanism insolid dielectrics.

Code : 13CS4201R-13

B.TECH. DEGREE SUPPLEMENTARY EXAMINATION,NOVEMBER 2020

IV B.Tech. II SemesterCLOUD COMPUTING

(Computer Science & Engineering)Max. Marks :60Time : 3 hours

Answer FIVE Questions, Choosing ONE Question from each sectionAll Questions carry equal marks

* * *

SECTION - I(a) Discuss why cloud computing matters?(b) What are Pros and cons of cloud computing?

1

Explain in brief the following how cloud computing works.(I) client/Server Computing(II ) Peer to Peer computing(III) Distributed Computing

2

SECTION - II

3 (a) List the advantages of having cloud(b) What are web services? What is the need for them?

4 (a) Discuss the various cloud development services and tools(b) Discuss the need for development of web based applications instead of desktop

applications

SECTION - III

(a) How cloud computing is used in sharing family photos?(b) How cloud computing is used in collaborating on To-Do Lists?

5

Give the usage of Cloud computing for the Corporation6

SECTION - IV

(a) How is cloud useful in collaborating on Event management?(b) Explain the various online photo-editing applications.

7

(a) How can cloud be used in Controlling the web-based desktops?(b) How does the web-Based spreadsheets work?

8

SECTION - V

(a) Evaluate the various instant messaging services.(b) Evaluate the Wikis for collaboration.

List the various web-conferencing tools and evaluate them.

9

10

R-13Code : 13ME4201

B.TECH. DEGREE SUPPLEMENTARY EXAMINATION, NOVEMBER 2020IV B.Tech II Semester

AUTOMOBILE ENGINEERING(Mechanical Engineering)

Time : 3 hours Max Marks : 60Answer FIVE Questions, Choosing ONE Question from each section

All questions carry equal marks* * *

SECTION - I

Discuss how the power from the engine is transmitted to the road wheels of the car. The

discussion should include function of each of the component through which the power

passes.

With neat sketches discuss various types of combustion chambers in SI Engines.2

SECTION - II

3 With neat sketch explain the working of electrical fuel pump. What are its advantages over

mechanical fuel pump?

4 With a neat sketch explain the constructional details and working of Solex Carburetor

SECTION - III

5 What are the functions of lubrication system? With a neat sketch explain dry sump

lubrication system.

6 With a neat sketch explain the working of magneto ignition system.

SECTION - IV

7 What is the function of a clutch? With a neat sketch explain the constructional details and

working of a single plate clutch .

8 Why a differential is needed for an automobile? With a neat sketch explain the working of

a differential gear box

SECTION - V

9 With a neat sketch explain the working of a wishbone type of suspension system? What is

the difference between independent suspension system and rigid axle suspension system?

10 With a neat sketch explain the working of hydraulic braking system.

\

R-13Code : 13CE4201

B.TECH. DEGREE SUPPLEMENTARY EXAMINATION, NOVEMBER 2020IV B.Tech II Semester

DESIGN AND DRAWING OF IRRIGATION STRUCTURES(Civil Engineering)

Time : 3 hours Max Marks: 60

Answer any ONE questionAll questions carry equal marks

* * *

Assume suitable data wherever required.

Use of Garret’s diagrams, Khosla’s charts, Lacey’s charts permitted.

Design and draw a cross regulator for a channel which takes off from the parent

channel with the following data:1

140 m3/s15 m3/s210.0 m209.8 m

Discharge of parent channelDischarge of distributaryFSL of the parent channel, u/sFSL of the parent channel, d/sBed width of parent channel, u/s : 52 mBed width of parent channel, d/s : 46 mDepth of water in the parent channel u/s and d/s : 2.5 mFSL of distributarySilt factor

: 209.1 m: 0.8: 1/5Assume safe exit gradient

Design a cross drainage work to suit the following hydraulic data.2

Canal:Full supply discharge : 15 cumecsBed width : 15 mBed level : +65.00FSL : + 67.00Full supply depth : 2 mUltimate bed level : +64.75Ultimate full supply level : +67.50Velocity of flow in the canal : 0.49 m/sAverage bed level of drain : +63.00Left bank top width : 5.0 mRight bank top width : 2 . 0 m

Drain:Catchment area : 3.4 Sq. Km.Estimated maximum flood discharge : 34 CumecsMaximum flood level of the natural drain at the site of work : +64.00

Soil is hard gravel below : +62.00

R-13 Code : 13CS42E1B.TECH. DEGREE SUPPLEMENTARY EXAMINATION, NOVEMBER 2020

IV B.Tech. II SemesterADVANCED DATABASE MANAGEMENT SYSTEMS

(Computer Science & Engineering)

Time : 3 hours Max. Marks :60

Answer FIVE Questions, Choosing ONE Question from each sectionAll Questions carry equal marks

* * *SECTION - I

1 (a) Discuss in detail about front end and back end functionality.(b) Describe in detail about parallel database architectures.

2 (a) What is distributed database system? Explain a distributed database with an example,

(b) Discuss in detail about shared memory and process structure.

SECTION - II

3 (a) Discuss the two complementary forms of intraquery parallelism(b) Write short notes on handling skew.

Explain in detail about partitioning techniques in I/O parallelism.4

SECTION - III

(a) What is concurrency control? How is concurrency control achieved in distributeddatabases.

(b) Write short notes on distributed query processing.

5

6 (a) What is transparency in distributed data storage? Explain with suitable examples,

(b) Discuss in detail about heterogeneous distributed databases.

SECTION - IV

(a) Discuss in detail about structured types and inheritance in SQL.(b) Explain about object relational mapping.

7

Explain in detail about persistent programming languages.8

SECTION - V

Write short notes on the followinga) Database design and querying tools

9b) database administration tools

Explain in detail about query processing and optimization.10

R- 13 Code : 13ME42E1

B.TECH. DEGREE SUPPLEMENTARY EXAMINATION, NOVEMBER 2020

IV B.Tech II SemesterAUTOMATION & ROBOTICS

( Mechanical Engineering)

Time: 3 hours Max. Marks: 60

Answer FIVE Questions, Choosing ONE Question from each sectionAll Questions carry equal marks

* * *

SECTION - I

1 Explain the various reasons for automation of manufacturing

systems. Describe the elements of automations.

a) Define automation? Explain about the automation relative to

production quantity? b) Explain the benefits of automations in

industry?

2

SECTION - II

Explain the different types of automated flow line configurations.3

Discuss in details about Kilbridge and Wester method of line

balancing.4

SECTION - III

Describe the common types of robot configurations with neat sketch.5

Write the different types of gripper. Discuss about magnetic gripper

with neat sketch.6

SECTION - IV

7 Explain the Velocity sensors and Proximity sensors.

8 Determine parameters of the Denavit-Hartenberg convention for givenrobot.

somt i jomr i + tif—' j.vKKK., Z''/"‘'WmmntMmim****mfah* N.. ;£t J‘‘ _

W -A** f>law****" >'•KM/ satf "*****K'UNK *- l imn tV - :tI;f

>.i '\ ,Xw,,:: - w.v,'.:;,^ ,J«****"IT""**,

!«*/i : / 2‘-$\ 1

iwnssp'"V

**&**'

**%I*# '*\ 1«eSS

? 7;*:< }

/'5.\;f

t\*I~I 4 V*-*“I

«b$lk •

-5*-< |3Tcl *

/

\

SECTION - V

9 What are the different types of robotic programming techniques?Explain in details.

10 Describe the applications of robot for the following cases.a) Material handlingb) Loading and unloading.

R-13 Code :13EC42E3

B.TECH. DEGREE SUPPLEMENTARY EXAMINATION, NOVEMBER 2020

IV B.Tech. II Semester

CELLULAR MOBILE COMMUNICATION

(Electronics & Communication Engineering)

Time : 3 hours Max. Marks :60

Answer FIVE Questions, Choosing ONE Question from each section

All Questions carry equal marks

SECTION - I

1 (a) What are the limitations of conventional mobile telephone system ? Describe thevarious generations of wireless mobile systems.

(b) What are the desirable Characteristics of mobile antennas? Explain.

2 (a) Derive the C/I in worst case scenario with an Omni directional antenna,

(b) Describe the process of cell splitting, segmentation and dualization.

SECTION - II

3 (a) Explain the method of obtaining the mobile point-to-point model.(b) Discuss the propagation over water or flat area between fixed stations

4 (a) Describe the form of point-to-point prediction What are the modelcharacteristics?

(b) Explain the concepts of cell coverage with reference to cell-site antenna heightsand signals.

SECTION - III

5 (a) Explain co-channel interference and how it affects the system capacity. Deriveexpression for signal to interference ratio.

(b) What are the different types of antennas used for improving coverage andinterference reduction at cell site? Explain them.

6 (a) Determine the minimum cluster size for a cellular system designed with anacceptable value of C/I =18 dB. Assume the path loss exponent as 4 andcochannel interference at the mobile unit from six equidistant cells in the 1st tier.

(b) Explain the effect on coverage and interface with the Decrease of powerdecrease and antenna height.

SECTION - IV

7 (a) Describe the concept of frequency management concern to the numbering thechannels and grouping into the subset.

(b) Why do the micro cellular structures have more number of handoffs per secondas compared to macro cellular structures? Explain.

8 (a) What is meant by handoff initiation? Explain the different methods of handoffinitiation with suitable diagrams.

(b) Explain the importance of the antenna height in reduction of co-channelinterference.

SECTION - V

9 (a) Explain call procedure in GSM for network to mobile terminated call.(b) How RAKE receiver improves N/N ratio in CDMA also epxlain why power

control on the reverse channel is essential?

10 (a) Describe algorithms used for authentication & security in GSM with diagrams,

(b) What is near far problem in CDMA. How to overcome it?

Code : 13CE42E2R-13

B.TECH. DEGREE SUPPLEMENTARY EXAMINATION, NOVEMBER 2020IV B.Tech II Semester

FINITE ELEMENT ANALYSIS(Civil Engineering)

Max. Marks: 60Time: 3 hours

Answer FIVE Questions, Choosing ONE Question from each sectionAll Questions carry equal marks

•k ie ie

SECTION - I1. (a) List out the basic steps involved in finite element method,

(b) What are types of laments? Explain with neat sketches.

(a) Explain the principle of minimum potential energy.(b) Differentiate between global and local coordinate systems used in finite element

analysis.

2

SECTION - II

(a) Derive the shape functions for one dimensional bar element.

(b) Derive element stiffness matrix for one dimensional bar element using potentialenergy method.

Determine the extension of the bar shown in Fig.l due to self weight and a concentrated loadof 400 N applied at its end. Given bi =150 mm, b2 =75 mm, thickness= 20 mm, E=200 GPaN/mm2, and density of material= 7850 kg/m3

3

4

*1b,r i./ / / / / / / / / / / J

' <•

600 mm

1'?

Hh— &21,400 N

Fig.l

SECTION - III

Determine the nodal displacements and element stresses of the two bar truss asshown in Fig.2. A force P = lOOOkN is applied at node 1. Assume E = 200 GPa andA = 600 mm2 for each element.

5

Fig. 2

Explain the following :a) Direction Cosinesb) Coordinate transformationsc) Global stiffness matrix

6

SECTION - IV

(a) Derive the governing equations in plane stress.

(b) Explain the following terms with suitable examples :i) Plane stress ii) Plane strain

7

A beam of length 10 m, fixed at one end and supported by a roller at the other end isloaded as shown in figure 3. Determine the deflection, shear force and bendingmoment at loaded point using finite element procedure. Assume E= 200 GPa and1=24 x 10'6 m4

8

20 m

5 m 5 m *4Fig.3

SECTION - V

Explain higher order elements and Mesh requirements of finite element analysis.9

Write the steps involved in the formulation of element stiffness matrix for fournoded isoparametric quadrilateral element.

10

R-13 Code : 13CE42E1

B.TECH. DEGREE SUPPLEMENTARY EXAMINATION, NOVEMBER 2020IV B.Tech II Semester

REMOTE SENSING & GIS(Civil Engineering)

Time: 3 hours Max. Marks: 60

Answer FIVE Questions, Choosing ONE Question from each sectionAll Questions carry equal marks

k k k

SECTION - I

(a) Describe various spectral regions in Electromagnetic spectrum with neat sketches(b) What is atmospheric window? Identify the atmospheric windows used in RS of earth

surface.

1

2 (a) Briefly explain the energy interaction with atmosphere.(b) Draw and explain spectral response curves for water, vegetation and soil.

SECTION - II

3 (a) Define Remote Sensing? Explain the types of remote sensing.

(b) Explain the characteristics of any two Indian Remote Sensing Satellites.

4 (a) What do you understand Resolution? Explain the types of Resolutions,

(b) Briefly explain the characteristics of LISS-III and PAN sensors.

SECTION - III

(a) What do you understand visual image interpretation? Explain.

(b) Briefly explain image interpretation techniques.5

6 (a) What are the different types of keys? Explain.

(b) Discuss the procedure adopted for aerial photo and satellite image interpretation.

SECTION - IV

(a) What are the radiometric correction methods? Explain.

(b) Differentiate between Low Pass Filters and High Pass Filters.7

(a) Write detailed account on NDVI transformation.(b) Describe unsupervised classification system.

8

SECTION - V

9 (a) Define GIS? Elaborate the components of GIS.(b) Explain theoretical frame work of GIS.

10 (a) Write short note on Data Base Management System.(b) Give detailed account on Raster and Vector data structures.

R-13 Code : 13EE42E1B.TECH. DEGREE SUPPLEMENTARY EXAMINATION, NOVEMBER 2020

IV B.Tech. II SemesterHVDC TRANSMISSION

(Electrical & Electronics Engineering)Time : 3 hours Max. Marks :60

Answer FIVE Questions, Choosing ONE Question from each sectionAll Questions carry equal marks

•k k *

SECTION - I

(a) Prove that insulation required for DC system is 0.833 times that AC system withassumptions that power transferred, percentage losses and conductor sizes are same.

(b) What factors must a system planner should consider for planning HVDCtransmission? Explain briefly.

1

2 (a) Compare AC & DC transmission systems?(b) Draw the schematic diagram of a typical HVDC converter station.

SECTION - II

(a) What is meant by pulse number, extinction angle delay angle and commutationmargin angle? Explain

(b) Explain the analysis of Graetz circuit with also derive the output voltage equation.

3

4 (a) Explain the converter bridge characteristics when operating as rectifier,

(b) Explain the factors for choosing the best converter configuration.

SECTION - III

Explain the following control of ETVDC converters.Constant current control B) Equidistant firing angle control

5A)

6 (a) Explain in detail principle of DC link control.(b) Explain the process of starting and stopping a dc link.

SECTION - IV

(a) What are the causes of over current in converter station? How do you Protect.(b) Write short notes on surge arrester.(a) What are the causes of over voltage in converter station? How do you Protect.(b) Write short notes on DC circuit breakers.

7

8

SECTION - V

9 (a) What are the different sources of reactive power? Explain briefly about each of themwith neat sketches.

(b) Explain in detail operation of Static VAR

10 (a) How the harmonics are generated in HVDC transmission system.fb') What are the filter configurations that are emnloved for HVDC converter station?

Code : 13CS4102R-13

B.TECH. DEGREE SUPPLEMENTARY EXAMINATION, NOVEMBER 2020

IV B.Tech. I Semester

ARTIFICIAL INTELLIGENCE(Computer Science and Engineering)

Time : 3 hours Max. Marks : 60

Answer FIVE Questions, Choosing ONE Question from each sectionAll Questions carry equal marks.

* * *SECTION !

1. (a) Discuss different types of agents based on degree of perceived intelligence andcapability.

(b) Differentiate artificial intelligence and human intelligence

2. (a) Explain the applications of artificial intelligence

(b) Differentiate discrete and continuous environments

SECTION-II

3. (a) Explain the model based reflex agents and utility based agents in detail.

(b) What is depth first search? Explain algorithm and its drawback

4. (a) Differentiate uniformed and informed search strategies

(b) Illustrate Hill Climbing search algorithm of steepest ascent version

SECTION-III

Explain how backtracking search is used in solving constraint satisfaction problem

with an example?

5.

6 . (a) Explain Alpha-Beta cut offs during min-max search

(b) Write short notes on Constraint satisfaction method.

SECTION IV

7 (a) How did you describe Resolution?

(b) What are the limitations in using propositional logic to represent the knowledge

base?

8 (a) Explain the use of first order logic to represent knowledge

(b) What is partitioned semantic net? Explain how the knowledge can be represented

using semantic nets

SECTION-V

9 (a) Discuss inductive learning with example.

(b) Explain the concept of learning using decision trees and neural network approach.

10 (a) Explain ensemble learning.

(b) Discuss Explanation-Based Learning

Code : 13EC4102R-13

B.TECH. DEGREE SUPPLEMENTARY EXAMINATION, NOVEMBER 2020

IV B.Tech. I SemesterRADAR ENGINEERING

(Electronics & Communication Engineering)

Max. Marks :60Time : 3 hours

Answer FIVE Questions, Choosing ONE Question from each sectionAll Questions carry equal marks

* * *SECTION - I

Derive the equation for Probability of false alarm and Probability of detectionwhenever the Radar is inputted by Noise alone.

1

Define Radar Cross Section of a target. Explain about the RCS of simple targets likesphere, cone-sphere.

2 (a)

Explain the concept Radar Ambiguity?(b)

SECTION - II

Recall the principle of operation of 8-cavity cylindrical magnetron in detail.3

Draw the diagram of the Branch type Duplexer. Explain about the operation.4 (a)

Explain about the following types of Radar CRT Displays.(i) A-Scope (ii) B-Scope (iii) C-scope (iv) PPI (v) RHI Display.

(b)

SECTION - III

Explain about (i)Radiation Pattern (ii)Beam Steering with respect to Phased ArrayAntennas in detail. Mention the necessary relations.

5

Define Beam steering. Derive the equation for change in beam width withSteering angle in a phased array antenna.

6

SECTION - IV

An FM CW Radar operates at a frequency of 9.25GHz.It is using triangularmodulation. The Modulating frequency is 1 MHz. The beat frequencies arefb(up)=20KHz and (down)=30 KHz. The Doppler frequency shift is 1 KHz.Determine the range and Doppler velocity.

1 (a)

(b) Differentiate MTI Vs Pulse Doppler Radar

Interpret the MTI Radar with Range Gates and Doppler Filters.8

SECTION - V

9 (a) Explain the following Antenna parametersi) Directivity gain ii) Effective aperture iii) side lobe radiation

(b) Summarize briefly about targets in clutter.

10 (a) Discuss the radiation patterns of phased arrays

(b) Differentiate Sea and surface clutter.

R-13 Code : 13ME4102

B.TECH. DEGREE SUPPLEMENTARY EXAMINATION, NOVEMBER 2020IV B.Tech. I Semester

CAD / CAM(Mechanical Engineering)

Time: 3 hours Max. Marks: 60

Answer FIVE Questions, Choosing ONE Question from each sectionAll Questions carry equal marks

it it it

SECTION - I

What are the application of computers for design? And benefits of CAD1

Explain about CAD/CAM hardware.2

SECTION - II

What are the different types of geometric relation? Why would you use them in 3Dgeometric modeling?

3

Explain constructive solid geometry and bounded representation.4

SECTION - III

Discuss with neat sketch, explain the functioning of a NC machine. State twoimportant difference between CNC and NC.

5

Write the procedure for writing Computer Aided Part Programming.6

SECTION - IV

Out line the classification of FMS and its advantage?7.

Define the term of Robotics? List its specific application in Automobile Industry.8

SECTION - V

Explain in detail about the complete structure of shop floor with a flow chart.9

Define CIM? Explain its components with block diagram.10

Code : 13EE4114R-13

B.TECH.DEGREESUPPLEMENTARY EXAMINATION,NOVEMBER 2020

IV B.Tech. I SemesterPOWER SEMICONDUCTOR DRIVES

(Electrical & Electronics Engineering)

Max. Marks :60Time : 3 hours

Answer FIVE Questions, Choosing ONE Question from each sectionAll Questions carry equal marks

* * *

SECTION - I

Explain How the speed control of a DC motor is achieved?Explain the parts of Electric Drives with respective diagrams.

1. (a)(b)

Derive the speed-torque expression for DC shunt motor.Explain advantages and choice of Electric Drives.

2 (a)(b)

SECTION - II

Explain how four-quadrant operation is achieved by dual converters each of 3-phase fullwave configuration for dc separately excited motor.

3

Draw and explain the torque-speed characteristics for Dynamic braking operation of dcseries motor. Why torque becomes zero at infinite speed?

4

SECTION - III

List the advantages offered by dc chopper drives over line-commutated converter controlleddc drivesDerive the expressions for average motor current, current I max and I min and averagetorque for chopper-fed dc separately excited motor.

5 (a)

(b)

Describe the regenerative braking of a chopper fed separately excited dc motor, Illustrateyour answer with circuit diagram and relevant waveforms.A Dc series motor fed from a 400 V DC source through a chopper has thye following

parameters: Ra=0.05 Ohm, R se=0.07 ohm,, K = 5 x 10 -3 N-m/A 2. The average current of200 A is ripple-free for a chopper duty cycle of 50%. Determine (i) The input power from

the source (ii) The motor speed (iii) The motor Torque.

6 (a)

(b).

SECTION - IV

Explain the closed loop operation of Induction motor with the help of block diagram.Explain, Why stator voltage control is suitable for speed control of Induction motors in fanand pump drives. Draw a neat circuit diagram for speed control of scheme of 3- phaseInduction motor using AC Voltage Controller.

7 (a)(b)

With a block Schematic diagram explain, How the speed of the Induction motor canbe controlled automatically (i.e. using closed loop scheme) with voltage sourceInverters? Mention the applications of the above scheme.

8

SECTION - V

Draw a suitable diagram and explain the working of slip-power recovery systemusing Static Scherbius drive.Discuss about the differential speed control methods of induction motor from rotorside.With suitable circuit diagrams explain the principle of operation of current sourceInverter fed Syanchronous motor drive

9 (a)

(b)

10

Code : 13CE4102R-13

B.TECH.DEGREE SUPPLEMENTARY EXAMINATION, NOVEMBER 2020

IV B.Tech. I Semester* j

IRRIGATION & HYDRAULIC STRUCTURES(Civil Engineering)

Max. Marks: 60Time: 3 hours

Answer FIVE Questions, Choosing ONE Question from each sectionAll questions carry equal marks

* * *

SECTION - I

Explain about the various methods in which the irrigation water can be applied to thefields with neat diagrams.

1

(a) Define duty, delta and base period? Derive the relation.2

(b) After how many days will supply the irrigation water for the following field dataField capacity : 29%Wilting point : 12%Density of soil : 1.5 g/cm3Root zone depth : 1.5 cmDaily consumptive use: 15 mm.

SECTION - II

(a) Describe Kennedy’s theory for the design of irrigation channel in alluvial soil.3

(b) Discuss the classification of canals in detail.

(a) What do you understand by Balancing depth? Derive an expression for the same?4

(b) Design an irrigation channel in non-alluvium soil to carry a discharge of 7 cumecswith a velocity of 0.7 m/s. Assume side slopes , bed slope 1 in 4444 and Manning's N= 0.0225.

SECTION - III

Explain with help of a diagram, the various component parts along with theirfunctions of a Diversion Head work?

5

6 (a) Discuss the types of failure of a weir founded on a permeable foundation,

(b) Explain in detail about Bligh’s creep theory.\ '

SECTION - IV

(a) Describe in brief various modes of failure of a gravity dam.7

(b) Design the practical profile of a gravity dam given the following data:

RL of base of dam: 760m,

RLofHFL: 785m,

Specific gravity of material of dam: 2.4,i O

Safe compressive stress: 120 t/ m and

Height of wave: lm.

(a) Explain briefly with neat sketches the different forces that may act on a gravity dam.8

(b) Distinguish between a low gravity dam and high gravity dam and explain the methodof designing a high gravity dam. ->

SECTION - V

9 List out different types of spillway gates and discuss them with neat diagrams.

10 (a) Discuss various methods used for energy dissipation below spillways.

(b) How would you compute the discharge passing over an ogee spillway?