8/10/2019 S1S2_2012_MAY

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G 1S5l

n

&

No..-.....-.....-,......,

Name..-,...-....,.....;.-............

B.TECE. DEGREE

EIIIMINATION, MAY 2012

Filst md Se.ord Smoster

EN OTOOI.ENGIIiIEERING

MATIIEMATICS_I

(New

SchenFRe3dd^mptuvmsvsulplemeltqty)

(CmoD

lor aI brucLes)

PaIt A

Arw

all

questia$.

E6h

auedion nti.s 3 Mrhg

l w.iF rhe

ollorogquadJarir r}n h Tam

notahon

i-2r.-lr:+444 o:4 B ,,,

2. Uu is dF mr or ba i,nsle qth

sidcs

a, r,., sh@ hel

L

Erst',tz | |t\t'+t )dt

dr .

; . '

solve

z

td),-(;+r)d=0.

F} d

rho api*e ftsfom

of

I

s' ,

Part B

ABuet

tll

questiotu.

E@h

au*non

ru.es

6 aths

[r2ol

Findlor .d or rE

oatr i r

- ' ' l

Lse

I

f f a=l ln ' - l ,

" -" .

rhat ++r+=sin2,

t r - '

d d t

u@s ecodroi mFs-elrcnin

J I

yd u/

8rd

h4ce eestuale L

8/10/2019 S1S2_2012_MAY

2/26

2

(

v . r \ / r r \

/v

, . sorw

lr@s-+/sh1.J,

-J | ' )3m'

ros ' . l r : '

0

10. Find th Lalla@ Trmfo@ of

/(t)

deffned e

/ ( / )=1.0 rT.

Or

f2

3

rl

12.

(a)

chsLvherherfhemabn

a

3 I

l*"*"*-.

1-3

1 2l

(b)

', il

the cbaacte.istrc vsrues

@d tLe oo@pdndina

clda.tabuc

l i r -4 -71

11

1

-sl.

110

4 -{l

G 1361

ABu* 6rc

fu

qtusria^

tun

etuh udule.

Each

ull

qudlinn

efria 12 turk

Modd 1

11. Redfte the du of s@ms to tle

qtadEtic

fom :

.' |

|

| az' | 9t' 2E 412 6yt

r*

22.

Moilde t

'. , ',

-*.[:+)..*^"'rl-,.*^ t-,'

' tuulg tu"f

T=

a

112-

a

l

(b) Iililthemimmdddhinmdi.tdnc6edihedisinioileFesJ'?+69+5/'7 8=0

(6

mru)

8/10/2019 S1S2_2012_MAY

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3

14.

(a)

Ilz is lonog6 @u

tunctio

ofde8lee

c1351

(6

iii[i)

24 @s0

abovhe

ilrhat

(6

@ks)

**,, +,"'

(b)

ir

u=r/,

6h@ hai

td

e Ar.at

*.t

j

J.',.

e* ae

=

f;,

.*re

R . h e.iciare

(b)

Evalla by ctEnsus

to sple.ical

drdiMtes ;

JJ J

rbr

Evarual"

I'(t

-t@o1

Module 4

dlv d

r?. .s, Findlhe@mDlel"

olrlidd r

-.

1

4++4j

=

g,

+c65'

b)

aot e (r1

-

t1)d'

=2rr

d .

re

r",

s"F"

G+r)*+r=2"- '

Or

ls.

ia)

Find volue ofth

portion

ofthe

sphore

: +

11+

z?

=

"':

inside

rt cvrind;

t " - .+ ' r -+2 t=x6x .

tlM

dlr

Co)

And tle @nplm

ary tu&tion

&d

{rticlrr

irtqFl

of

8/10/2019 S1S2_2012_MAY

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8/10/2019 S1S2_2012_MAY

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G 1352

(PaaoE

s)

B.IECE.

DEGIIEE EXAMINATION,

Fist sd aedld

Semstd

R.& No-..-.........,.,,.,,,,,,,,,,,,,

Nm,........,,,,,..,....................

MAY 2OT2

EN

O1O1o2_ONGINEDRING

PrIYSICS

(New ScL6e)

Eesrndfu

s@eDtupplcmen aryl

(cd@D

tn st1

&mcLas)

Pan A

Anat

olr

questi.ns

rietb.

Eoct

quediah

coties

A tu&g

L Whar

$ s bol.grtu

l wl]ar

tre $e

spdosl

caruos ots \otosrm

ovcr a phoompn 1

?

WlBr

E Botmpp etto.r

I Wha

do,tsu5r6

in su}.ftondudivry

l

3

D^rD"ut"ollmd

orimirivc cell

4. W-ik

doq Srbitr.

s torEuta

md

cxplsr

rrs

siStrih.e(.

5

expleir *ediAer.nr

appLcaloruofoplical

fibreE

.

{5 ,3=r5narks)

'

Part B

AEu.

tll

que.innr.

torh qu"sddn

dvi"s s ^o"hr.

Wbsl

ar rle

charoibi*ic

o s

Lasu b^@

r

Whd

are the

difrerent

tchniq $

uscd ro

cha.acre.ize

iie nmmalcrjals

?

The riti.al

ion mtu.c

ofMo&ury

wilh

jsortupjc

ba$ 199.5

i3 . r

K Calmlarc ric

c.ilicsl

teopcrat@

eha iet @ic

nss

chanses

to 208.5.

d)

Wlai tu

stmer.y

ia dJsrd

struciw

?

In

a cystr

laftie d

=

6

-

2.a2

A and C

=

1.74A. Dedu6

ine ta

tccplees.

La Wlrar

* Lie

appLierions

of R@a cFecL

rbr

A, 'trBbnjcsou@of0.07

Mqz

setrds

ofu e

pulse

ossJds \o

Fs.b"d whkh

n rln""nrr

0.?

scc. The velocfty

ot

@und il see

*ar .

js

1?oo n/s.

cdcdar.

the doprh ol

6oa ad rhc

par.bDs{i

ofpubF.

8/10/2019 S1S2_2012_MAY

6/26

10.

(r)

wl:a

are lhc atcp-indq 6bres 2IIow

do they dif.r fiod

gradcd

indcxdbEs ?

(b)

Tnc renacrio, indic*

of rbc co.e and cladding ot

a 6iep indc* 6bro and 1.45 ard r.41

.cspc.rively.

caltular. thc co.e dimerer required

fo. iho

propaglrion

ofa sisnal otwavetengih

(5x5=25Darks )

part

C

,

^hsueran

o a

futt.luestian

roh

each u Llte.

Each

full

qustion

ca ies 12 narkg

MoDnE

1

ll. \lhar is lopuhtion

invc.sion ? Eyplain

vith a rcar diaeno

rh. cdnsincrio.

of a s.,ni.onduclor

laser

lnd horv ure

popularion

inversion is

a.htevod in ir ?

Or-

12. Explain

cnve ediun

andoptica

unpins

sfth.eai

skelches frhe mlstru.iion,t

diasrm sd

cnc.s) lev.l

diaFlms. Dcsc.ib6

rhc wortring

of a ruby taser.

MoDm 2

r3.

(a)

Dcscnbc

Joscpnson

unction

and its

lpDli.arions.

(6

auks)

(bl

Explain the

.fT.ct ol n aneijc

ietd 6n supeeonduct

.s.

(6narks)

Or

14.

(a)

Dcscribei.

rochniquessed

orrhe

prepranon

ofnanonabnals,

(6

nnrk)

(b)

Desc.ih

thc xFerinont

to

prove

har superconductor

s a

prefct

diuasne .

16

nartrt

MoDqo

3

r5 Dfew

lhc unit cell for a simple cubic srruclure srd showrhe fou. (1 I r) punos jn i . How n$y

arons cltecrirety

conr.ibure o

rhh udr celt

?

or

' '

16. Wiih ncat diac"ads,

deserbe

rhc consrruction

obd wortiq ofa

pa$ivc

ald a scrive LCD

s} lens.

Mo.m 4

l?

(.)

Dcscibe

ihc u* ofulrrasonic

wayes r non-desrructive

tsiing

ofnatends.

(6

ndk)

(bl

Give

an accour ofrhe

acousrical reqril@nis

ofa

eood

audjtoirD.

{6

ndks)

'O r

13. wlrai is nc.nt by Rman 3pccrra and Rahm scaneri.g ? llos js ft ditrc.ert fioE R.yleigh,s

scalt

.ins ? Er?tdn

six

jnportur

appticarions otRnan

spe.t.a.

8/10/2019 S1S2_2012_MAY

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8/10/2019 S1S2_2012_MAY

8/26

G

1353

(Pag6 3)

R9.No.......,--..-......,......,,,,,.

B.IECH.

DEGRDE EXAMINA'fION,

MAY 2O1S

fi$i ad Seonar

S@este'

EN OlO Ios_ENGINDDRINC

CHDMISTRY

A]iID DNVIRONMI'T{IAT,STUDIES

'NewScbemc

mqli8r/'IEpwennt/Sulllone

eyl

(CoIMoa

ld aI hrmches)

PdA

AB\er an

qu5tions

bri.lb.

Eeh

qusNion

cffti.s 3 mfis.

1- llttlar

s rt

@fts and .iehdnts ofhyittogs

etertude ?

2. Ndo tso@

io re.irtdt arby&

Ed do r y

ebst mEio ?

3.

V/bat

E l@ br

@poundins of

p$ri@

?

4. Wnat

@ t[e

gos6

rupolsibie

td

pouuri@

?

6.

List

thfte Mslble

endg| s@8

@d th6ir ndiid.

.

Pa f tq

(5x3 '15mu*s)

. As@,

allqueitiru.

E@h

questioa

curh6 s turhs.

6. What iE dfofa ccll ?

A coll i. omtnctd

by @plingzr+lectrodo

ilippcil in O.SM Zn

SOaand

N

,

.ledlodo dippd in

0.05 M NiSOa. Wlit

ih. 6[ reFresntaiion,

]alf{cll .eetio. md

ler 6Il

.oacid. Cslcubb

emlofrh. FL

Giva rhaL slandad

r.drdiotr

pobriats

ofZn ano Ni d. O.?

ed-

0,25 VftBpoctiaaly.

7.

Wllrt i3 sFs;@nGiotr:

Civ" MorudoE.

HN n@

bo cotrbllsd:

3.

Erdsi nmbor drdase

sd woiEit aveEsE

Eolftlf vcighrs of

polydds.

L Dsd$ the

Dariiculat

aii

poUution,

irs Bollrus ed iU

elteLrs

10.

Wlat

js

grosdoue

fiert ? low it lea& to glohat

vamilg

?

(5 i5=25da .k )

8/10/2019 S1S2_2012_MAY

9/26

P&r

c

tNut

an

@

tuu

questlon

Itutu

each

Md,te,

Edch

uu

que*i.n

enies r2 ndrhs.

MoDG I

De.ive

Ncrnst

cqlalior for slngle

elecircde p.renijsl.

nxll din the consrncrion a'd wo.tringof Ni-Cdbart ,y.

Or

Explain

the

pot

dioneior

meitod

of dererninarion

of

cel EMF.

Dcfim polaizetion

md decoaposition

potenrial.

G 1S5S

r4. (r)

Wnai

i3 carho.lic

.oretjon

? E:plain

saFjd.ial

aodo

dd iapresscd

c@nr

netrods.

(6

Ddk)

(b)

EiDlai.

clcct opllurS

ad

electrolesg pldrinc

used b

proec,

asmot

conGion,

(6

Dskl)

Mo@o

3

I{ds

is silicon

nbbor

obrsinod

? wlllt

de fts

pFlerries

.t

lVLy

polydilirc

ic .onsidftd

s an cgdi.

net3l ?

ittal ,e

it^, applic,liotu

?

Or

MoD@B

Ix

r,r

wLsr

h rbturq

2

How

n

rov,

nE

oro$on1

(b)

Eel,in

the

difio.cnrisj

ao.ario

co.rcsion

tirh approp.jare

d@ple.

Or

(a)

Widt

dD

you

mcd

by desslilarjon

?

qow

rte reffie

tcchniqucs

or

de.lhaiion ?

(b)

Mcnlion

tlErcrhods

to onrrot

ga*ous

@tlliars.

(u)

Discuss

th.

pbpcr.ii8

anil spptidrions ofMnlri Walod cubon Ndo TubN. (6 arhs)

(b)

Expl&in

ho* thc

st ucrDre

of a

potyrc.

i.nuenes

rhe

olasricftJ

of

rhe

lobrcr.

(6

Edks)

.

MoDUI

4

( )

Exllain

thevuious

srcps

ia

(6

EdkrJ

(b)

Why

dolercals

md

pesricides

need

@ spcial an

ntion u

ward

poUutank

? Exptain.

(6

n*Lr)

osoosis

and elal,rcdiDlyss

ard usetul

8/10/2019 S1S2_2012_MAY

10/26

3

c 136a

MoDW 6

ls.

(.)

'Biotudts

viU

Fpta@

@nveftionat

fosil

tu6ls r ned

tutu,.

Cmetrr.

(6

au}s)

(b)

$rh.i

i.

E-vsr. ?

E

pbin

its

aispGal,

(?

M} J

Or

zu.,3,

*prri

-it cmdon

ed

*.fi.ds.

Desoih. no,.hods,.

md

rhosm., ,6crL.

,b' E pl.in Uo principto .els cous d hoe ,o amcss

h.

@ey

-,"

*

""**..,;;;;",

t sx t2=60r rEks l

8/10/2019 S1S2_2012_MAY

11/26

Reg. No...,,.............,,,....,,,

Nrme.-...--.--,----------.

B.IECE. DEGR.EE

EXAMINATION MAY 2012

I.iEt md Second Smester

EN O1O

O4 ENCINEDRING MECII,AN]CS

(Nev SchemF Rqdsr^dprovemdntsnpplenertarx)

IComon

for all brtuhesl

Titu : The

llous Msinun

: 100 rtarts

Part A

Aauer all

quertinas

brifl .

Each. @stio

cmies 3 mdrhs.

L Wlot

are heu$s of Fcpbodrdrsgramactr."'

e\amFl"

2. Whai

a.e the difMes betweer

centDid and cenlre of

g.avity

?

3. Deffne

Liniting fricliod dd Cole oftictjon.

4.

what

;rer&eou

@nre

i

5. De6neWo.lr,

Erergy md Powe..

.

(5x3=15narks)

parr

B

Atuoer nD '7rest;u s

Edch

questiaa

anie. 5 tnaths.

6.

State md dplain lhe

senelal

equahon of slati. eqdlib.iln condiiions

of conclrronl dd nor

ffic relL,brce

sJsF6.

7. Deriv o qpressi0n ior modent of inertia 0f tdanglc .bout hdrizontal centroidsl axG

3. Whai aE tne

Dedtr ofthc method

of

seciions

over lhc neitrod otjoinh ?

\,

L Show tlaisher

a

pdticle

mNes with

simple hamoni. norion, fts tin tor a coDptere

osciltation

i . i l d .pndc r io f \ " snp l t rud "o li s

oor on .

lO

Whr m

d

p

\anous

ry e. olboacEl

trtEr

srp r'

"

d'llcn

nc* b"l*,

".,.

-" .

"

*. -d

es

md

lhe rhpacr ora booyor d tued plencl

(5x5=25ma .L t

Part C

A4uer

anr onc tol\

qu$tio,r

fum

eoch ma.IuLe.

Each fu|| question &ri.s 12 no*s.

Modul I

11- ABCD is d squ*e,loes

of 10,3 and 4 unils acr si A in fte

dnedions AD, AC .nd AB rcap.crively.

Usilg ihe ealrticll nethod, dtemine,

G 1354

8/10/2019 S1S2_2012_MAY

12/26

G

1354

(i)

tne nsultant fore in ma$itude and diHtion

(ii)

tle naSliirde dd senseoftwo lorce alols

dE ilirctios AJ and AA, wlse J

ed II de

the ud-poilts

of CD and BC respeclively, Fhich togethr

si balance the above

Or

12, Tflo unli}e ps*llel foees ae acting at a distdce 0f 450 mm froD eac}tother' The 6rcd aE

equivq&nt o

q

sinsle

ore of90

\;f,

which a.t ar a dishce ot 200 m 6om

the

Sleard

oflhe two

foMs. Fild t meriiude of the fores,

Modlle II

13, A siDply supportdbeu ofspan 4

m is carrrilg a frilomly dishibuied

load of5lN/n s slom

in Fjg 1. Usidg tlo

principle

of

vi.iu.l wo k, nnd the reqetioE st A sd

B.

Dg. 1

o'

14. Alenispb@ of60 nn diereter is

placed

on he iop oftle cylhdel

havina 60 rm didoter. Find

the oMon centre of

eravily

of lhe bodySod the bse ofcylinder, il its height b 100 ]n.

ModuleIlI

15, A sq@e t}re.ded screwJack of nean dianeter 50 nn nas 3" ogle of

inclination ol tne tlftad

sil cob6cint of frictim 0.06- ind rhe efto.t rquipd at the d of badle 450 m long

(i)

to

rsi* a load of 20kN, ed (ii) io lowe the sahe load.

Or

Fis,2

Fhd the loRe ir tle

@nber CI ol

Lhe

rdss

8/10/2019 S1S2_2012_MAY

13/26

G 1354

Module IV

1?.

The accele.ation fa

pariicle

i.

giver

by he rclalion d

=

90-

61vhe 1" is expros.d

jn

c 0/srand

: in cn. If lhe

F.dicle

stalts

vith ze.o nitiel vlocit ai

ldsitidn

r

=

0, detmine

(i)

the

vlo.ity

w}en x

=

5 cn,

(ii)

the

positid

whe veldcity 6 aSainzee and

(iii)

ihe

Position

wher ,he velociiy

Or

13. Tlo dml dd com@ring od of a stean ensrnea.

0.

5

d drl2 m rspetirely.'Ilre mk nsles

130 ,p,m

in

the clocL{ise

dnecdon.when the danl has tuned 45'

ftom ihe imer deadcen re,

deiemine

(i)

velo.ily dtpiston, &d

(ii)

anellar

velocity

of@tueciing

r.d.

Module V

19. A train Neighing 2300kN Dwes up

in m imline 1 in 100-The lmin slarts fion .est

qld

ooveg

vith a @nstmt accele.dhon gain6ta

nictional

@i6td6

of 10N

per

N ofth wight ofthe

tnin.

It

atteins

a ndimln

speed

bf30 kntlr in a dilta.e ofdne kilome r,Detmirc

(i)

tle Dsnnm

powr

equired,

(ii)

tho

power

tquired to maiDiain h 6peed f 30

kn'4r.

Or

20

(a)

A Dan of mss ?5 kg ald a boy of nass 25

k

dnve ofi tle

end

of

a

boat of

ihe nss 20 kg 5o

thsi ilen .ehhvehdmnral veldcitywiih rdpecl io tlre boat 3 sD/s, Ifinitiaily tlE boat s at

ast,6nd

ur 6tu1rclocity if

(i)

the two drive ofi simultddusly

(ii)

ih ban drives ffEt

6llo*ed by tne loy.

(7

Ifuks)

(b)

A Dotor cycb nder travellins 5t 1a kD/hr hs to tum

q

coder. Caltulate

ihe least radis of

tne cnwe e shmld follm fo. the $l t avelinA ftle cdefrcimt dfftictiod betv th tyres

and ihe rcad is 0-2-

8/10/2019 S1S2_2012_MAY

14/26

G r itO,

fpags:2,

Ra& No............................

B.rEcE DE'RDE

ExAMrNAnoN,

MA'T;

--**-

F

sr ad seoril

Am.ds

.

EN 010 106-BASIC

CIrr'lL ENGINEERING

(Nev sclme)

lR%r

a/ImpbvemeDvsqppldenralyl

(comon

for sI

Breches)

MenLn . rOO

Muks

part

A

A^suet

a\

quctiotu

brieflr.

E@h

quesNion

diies

B ndrhs.

1.

Dslilcuish

betseen pilsdd

sd dve.ssnd

and rhen

berits.

2. Wtai

de rhe

lactoB strectjDg

he

eorlar iryotcoldete?

3

,WlEr

aro hc

unclioro fa

lordsrion

r

4 HowborTonral

gle

b mpNuod

uMgTorat

dsFon

'

5. HoN

lhe t afnc.3tgns

@ cla$ifieil a@ordins

o

lndisn Moror

VohiclesAc

? cive rt

ditrdat

(5x3=t5bd*sJ

palt

B

Aneuer

aI

qustions.

Eeh que*irn cdiips S harks.

6 l4t

andd"smb6rhc

v*ious

Fsrs

or onck

' whsL

e ihe adverags

or@nftF

?8,,ofu

"rTtsE

3. Dos.r'bo

'Ljom

sodteoprr

anddtr4nrial

sdr.dtrr.

L Elplain

rhe

morhoil

of.abdatiDg

roauced

evls_

10. whlt

is mei

by

crea

lundins ? Erptain

mED

c.ni6cari6

of

8ren

buitdinss.

{6x5_25nark . )

Pari c

A,suer an

wfu

qw3tion

ton.aih

nodure.

Edch

utt

qustian

carri.s

L2 na;ha,

'

MoDld

1

11. Whst

is dcdoning

ofrinbd

? Dodcibe iis

objeciivcs

anil lhe difiorcbr

ncrho&

ofsoasoniry ?

or

rrrn over

8/10/2019 S1S2_2012_MAY

15/26

15.

2

e

ta67

12. Discusslhcinport

nce ofsteelrei.l@eEontinRCCffiL.Writ6dMthedt3ildsp{fi@ti@s

for roinforcenmr sr@l

/b

l:xolai

crinc of lndora.

Or

Drap lne dotails

of cl md AC

rc06ry fd m Indut|ial

blndiag.

M@r 3

(a)

Eiplain

dder vlai

cireGtd@.would yo pftfe.

srore,/bricL

Eas@iy.

(b)

. Witl ncal

sketchcs, lesrib

dy t*o t

Ts

of brjct n*mry.

Or

withrcatskctch$, deribe rafifoudarioD. Lisi

rh6 sftudrios Rh*

it i. ussil ?

MoDm,

1?. la) E&lain

tho

prhcipl

oflvollina. What

@ its

purloss? (6

@rr)

'b.

l,Gdbp

|be

baerc

'incipl4

or

reEoF bMs I W a

* iE sppl6lions

in sw"yDg ?

\6

b&Lsr

Ar

r3. TLc

folloviDs {ns@livd

readiq

@ t*6n on a lert vith

3laiior A ss B6c

adL

(R.L.

ofnr

Bensh muk tu 200.00

mI

. 2.190,

,150,1.060,

.23A, .130, ,110,

.420, .120, .390

Tlp

Estu"o . is shn.d

atrs lbc

Eading 3.4J0. Enkr

th$6 msdirus in level

booll ed cslcrn,

tc

lhe reduced

lev6b of all

loinrs.

MODUU

19, A.$idmtial plor

G recr'nglls

ABCD. AB

=

22 a, BC

=

sE

b, A

pdchayarh

mail

i. AB sidc md

NaUonal

Higtrw,yh

3C. ol}lcr vo

gid.s

e" rsdolial plok.

L.B

the

poEftioo

fs rurodtial

buililing hving

a

plilth

trea

abour 90 aq-m,

ssMing my.tler

ibta rcquid.

prlare

rle sfte

' Or

20.

wi'b

be l

s*kb.enlu

h sorLjns of

sepd. aB. E:plss

rld d$ign ss .ds.

i5

x

12

=

60

DdtBl

,sb"dcD

.atio do dba$ rbc bporrse

of

v5b

@drn rado in mscta

8/10/2019 S1S2_2012_MAY

16/26

G 1358

ags:2)

B&NL---*.*------.

NMe--.:---------------

B,'TTCB.

DEGREE EXAMINATION.

MAY 2OI2

Firt

&d Acond Sr6.te.

EN O1O O?,BASIC

MECIIA\'ICAL

ENSINDDRING

,Nes Sche@l

Gledd/Idltove]Mr/tjupplm@rary)

Icol]no

ro at Brmclesl

'rhr:Tm,

HouE

tlsimu: t0oMeks

P'N A

,

E@h

qredi'n

@rries 3 m+'

L. Do6a

epocific .s,.

Sralo ns m

l4 ,

2, wlat

aft ihc fiucttotu

of hjecrd

in inieiul

@obstim ensins

?

3. Stat thc

applicdrio4

of

Cbd

drive

4. Ds6nclpeotuBpFd

ofE

rlrbino.

5. Whst

ats appL@uoEs

drillrg

hachrss l

r 6x3 j

t5 muLs i

Pdt B

AEut

slqua\ou.

Euh qu*tian

caries

S narh&

6 Lrdar D4nsiwud

ffisno

pmp(nGor

rhcmodynadi(

6rhog

?. Wilh

a noar diqgrM,

sptain ile

qosp.essin

ign ion sFrE

i tC engircs.

3.

l*plain

powerrraDsrusDl

o) rop" rd(ha

drvps.

L F:xpluin

.

"omporonk

ore DUJcar

F'.Lor.

l0

Dosd:be le RorArns

d

lsor of'

sr4ng

mschine.

(5x5=25darL : )

PSI

B

'

,,tawr

mt o\e

luU

qu5tion

frcn.;ch

mdute.

. Eacit

fuU

quettiaa

cddes 12 turh:.

MoDtr l

IL

G\ Kolvin Plancks

md clsusrus

3,akm{rsof

lho s"mDd ,w

of b(rmod}T@6

and rd"

rb.i. equivrlcnco-

8/10/2019 S1S2_2012_MAY

17/26

c tg5s

ao id idarb ryo la rs

ap ,cssuFo

r

o tuad ts6p { , t r oot7o " . i " .obp r " s .duo idba , r " t

y

L tu r

u

c l rBs

'e i sTba r

n

e o bcyd . .320

LJo .hea , , ,

t r eo ts i r i s

no*

adopd r .oodanr

pr{son

rsdo

of tha

cnsuc

.

..i,

he

Fmlrera,

r 5r rn.

cno o_

, ' n ) rba temppmrL ,ca r rn "eado f

h .s - .

ld iuon

o r , , r .p :

I

OOs \ l r i s .Ka ro

MoDuE 2

With ncat sketch*, erTlair rhe

.onsitucrion

and wor|ins

ofa four_. rctre

djeEet

engine.

Or

(d)

Wilh

a near

diaer@,

xltain

rhe

D.inciple

ota

sunnei

d

@ndihionins

sysl,en.

(6n*ks)

(b)

Corpar

th.

vapour

coEprelsion

md

absorprjo.

syslcns,

bngjng

out

their

apptirio.E.

FnsDn.

11h"

beti

or th.,ich,

trd

qtacq

d". sd.bow

lhsr

tr E

pulley.

Dcive

a relarion

ber*eeD

he

indopended

ot

rhe

Eizeot

lhe

o,

16.

A

100nn

wido

ud

1o

Db rhjck

beu

tresnfts

5 kw beeen

tuo paranet

shsft.

The

disrsce

betwed

tho

haai

elrrs

is

1.5

o md

the diadeir

of rhe

snsu""

o"I*

; ,rO

*.

n" aiJ"

nd

driv.n

shsn6

rclare ,N

60 p.a

aDd 160

r.p.e.

respechve

y.

os tulat

c the

strcss

n ih

c bcl

by

(t

e op*

heu din)

,

o.*

ur. rro

-"m"i.".

o a,o."

Morrh

4

I?.

Dnv

.cdr

skerch

oi

a diesal

ovar

ptanr.

Labet rhe

imlo.tmi

lars

and dplain

rtci.

firclions.

Or

l3

l:rtbD

&yr4,?

tpc.

d

noD.mr\arjoDst

oFrgr

sour@6.

Des"r

b-

hoa

rhe.e

i amcssed.

or

mmbercjsl

applrcrbons.

MoDaE

5

.xp ' sn

,1 "

qL ' * ,dL -

mpcha t rm

used :n

\ap inanrh .ne .

20.

Describo

rhe

wo.liing

ed rh

nece$jrj,

of

a lathc

in

q

autobobite

wortsho .

8/10/2019 S1S2_2012_MAY

18/26

G 1359

Justi& ne slatnent.

6. WIat is the need o. highvottage

fesmjssion ? Whai

R& No,...,,,....,,,,....,,,....,.,...

N'De-...-..............,....,.....,,....

advstagesdoest otrer?

(5 i

3= 15 ]dks )

A.TECTI.

DECREE EXAMINATION,MAY 2OI2

Fiist dal

Sec@il Smester

EN O1O 08_B4SIC EI-iECTRICAI, NCINEERTNG

(Neq

SchentsRBnhrnmpioveoenr6upplenentsry)

lcotuon

to all b.mchesl

Ansuzr ar\

qustiaB

bnefl ,

Edch

querti.a

catrjes 3 marks.

1. lvrile dy hrse coE *isons

of eleclric and masnetic

ci.dits.

2. In

a RL sedescjrcuit, shdw hat

the cunn Iags he appliedvdltace by

gtr.

3. E\pliin the

working

prin.ill

ofa

dc

generat

r.

.1, "R t3ting field ofDtor Dd stator ofindu.rion moror a. sttionary wiih res {i ro ea.h drhe."

palt

B

A6uer all

questions.

Edch

question

cdii.s 5 n6ks.

6. C"lculate

the curren tlftugh rbe

2.5 O Fsistor in the fttsork

of

6g.1.

br mesh merhod :

20v

40Y

?, Ar inieddce or

3

+

j4

O is comocted

po{er

loss r

these

paralet

ci.cuiis.

3 Mdmumeffr.icoc}

ofs translormer

occu6 at ulfmd

60

pans.

arcurate

he otd oss",l.

I

"'a

j

rurr""a.

ir

parellet

wfth

a r$islmce of

l0 o.

Find rhe .aiio

ot

at nnl bsd.

lfine tul load copper dss s

8/10/2019 S1S2_2012_MAY

19/26

10 ,

12.

9.

2

c 136s

A barbc.d 5.pb@.

8t*mer@d

load of 160 Lw

,5

aking a tcadijs

curFn ot I oo A wi|-tl

s lin

volt3e

of Il00V, 60

Ez, Fird tbe

cimit

pdmetci.

of Lhe oad

pd pb@.

Cmp@

ud coomt rte

udsrgtud

ed Ndh.ad

powF

dreibulioo.

pai

C

Atwa db 6e

fitl

qu*tiot

fun

each

"ibdttz@h itu q@tidtt @ti.s 12Mrtu,

Module

llr

nodd eqraboN

tir lh neteork

shown n FiC.

2.

'

Fig.2.

Or

By

rorlal ,nelystu,

6nd Lne

troi Unugh

2V 6orue

D fig.

.

fra

Fic.

s,

:

Modulo 2

ftlo@ulld-coiLharesrinduruE

q .ZHadte =6E.The@e6cienrot.olpiingbs@

tbo b 0.6,

f a clllfut,

r=

2inraor

-

ScriAbp oNs

r6mue oit r

ud

i,

=

2 si

r1b

-so.)

ADp

|ror's

thmeb c i]

2, 6.d rne voltass

&rcd

@it r dd 6n 2,

if lhe Dutu;&

i"duced ebfoppc;

13,

8/10/2019 S1S2_2012_MAY

20/26

G 1350

De,ine

rm vrlue md from

fundDentals

obtain an expresston dr the sinusoidalvohaee

(7

nsrks)

A voltaaeV

=

140 sin 3r4r is lpptied

io a ci.cuil dd the resulti.s

@rrenr t

=

42.5 sin 31,k

Indentily

dd hence ind

ihe varuesdf$e componenr.

ind itr value ofpower

consumed.

The

prinary

and seconda.y

inding.esistances

la 30 kVA, 6600/250

single

phaso

t.dstbmerare

8O

md

0.015O opecrively.lte

quivalenieakageeacrans

s.eteEod

the

p.inay

winding

s

30O. fjnd the full load resularion

or load

poee.

facrors

f

0 3 lasging

(ii)

unity.

{3

m*trl

Or

16.

(a)

Frcmtrst

pnneiples

eive m

expressionorelrtequarionofa

c

sene.aro.,

(6mrk5)

(b)

Explair the wo.king principl

ol dc notor. List

the lpplicariotu df dc se.ies

and shunr nord..

(6

nark

)

Modlte

4

r7. Three

or.eactive

esistEot3,4dd

5O respecrivelye star

come.rod o s B

phase,.toOV

6 1 1 0 4 1 ( d l .

h F o

, D r e

q q r p r ,

"

R l . B

f h d

' i .

r \ " . u r n r .

line,

(ii)

porer

dissipsted

n each esjsto.,

iii)

ph4e

ancte

bdweon he cuEents

anjih;

co.respondina

ine

volrages.

iv)

rhe s ar

poi.r

potenrial

and

(v)

d.aw @np . te vecior diryram

of

o

13,

(a)

E*phinclearlyhorv

robtingma8nericffeld

sscruparon.d

dresraror fa 3

phse

inducrion

noio. *he. a

3

phas.

supply is given

ro ft.

(7

na.ks)

(b) liplaia slrJ hstarting loque of acapacilo.stan inductton un doro. is beiter

rhan rhat of

a sistdce

sta|t induction

run ndro..

Module

Wiib leat diaC?ans,qllain the difierent 3 phase ransfome. connectiors,

Modulc5

19.

(a)

ExplaiD

clea

y

rhe reqni.enenrs

of

a

sood

ligtrirg systm.W\at

are rhc

b N " a

r v

d - , y

" n d

@ . r b .

t n , a J o L r o r a u d . d r p o $ F - . ' s t 0 1

Or

20.

ia)

l,ist

and exptair the factors

o be oonsidered

n s.lcdridn ofsftes Io.

hydrocteci.icstrrio.s.

(6mdks)

(b)

List

lhe difie.ent

non-cdnvedional

ene.Cysouces avaitabte.

Dxptain

power

snerstion

by

wDd pow..

srabon. (6

ndrks)

(5

x

12= 60na*s)

8/10/2019 S1S2_2012_MAY

21/26

'

G 1360

@ages

2J R.s. No...............................

Nme,,,...........,.,,,................

B.TECII. DEdREE EXAI/m.IA1ION, MAY 2OT2

FiEt

dd Se@nil Sebeste.

EN O1O O9 BASIC

ELECTRONICS ENCINEERINC AND

INFORM/fi ON I ]CHNOT,oCY

(New

Scheme)

(Rcdld/LdlrovetuniSupple@nts-y)

ICotuon

to a[ B.{cnesl

Time ; Tlree Hous

MdimD : r00 Mrti3

PedA

Aasuer au

questio6

brizfl .

EaclLqu.stiot

cuties 3 mrtu.

1, Wit rhe compafton

of any DE?

pDperties

of 3fl ad FET ?

2 Wlsl

E hand.otrlFxTlsr.

3. Whati3i ala@d

Ecandns? Wtai tr iis

advetagg ?

4. What s

Cach6menory ? WIat

re it advmiases ?

5. Disrinenish belsee;

nardsare md Eoftsre

rith the hetp ofaanptes.

15x3=15narks)

PMA

A8uer

a\

eu6tins,

-

E@h question

nnies 5 mrhg

6. Dr.av m inverrins opem$onal

amllfis ciautt

sd d*ic

jr

fo. a volkse

gain

of 10.

7. W h ahlock

diacran, sxpbh rhe tunctioli

ofan errh ststionir sdelit

conmunicarionsysrc;.

3. Desoih

he

p.incipl

ofMP3.

9. Erplal u d 61rasr

oetu"s Mslp bus

ad or{r busorsmsaLoa.

l0

wnar

LDoDsin rrne

svd"n I Ln" '. spDI

alons

(5x5=25nuh)

,

Pdn

C

Ansut an @e fint qugtion fian eachn;dura.

Etuh

ful|

qusn

n catias

\2

md&s.

MoDnr 1

11. W h lhe heli ofonEtructioral

diaeran, foNed sd reveEe

chara.lerjEiics,oxplain he

rimiple

of a Zercr diod

? Dsribe low ii

prcyideo

volldge

regllaridn ?

Tum orcr

8/10/2019 S1S2_2012_MAY

22/26

2

e 1a610

bat

djasr@

xplain hosrkjns

ot& 6MtrFb6nr

md"

MOSFET

(6

@ s)

dpecinatiotu

;f

arl dil exptain

hm wirh

rr?iclr

valu4 rbr

th6

b)

Denne

uy si: iapo.r@t

srsddd

TTLfmily,

. /,) Irt tte di8@ srsldad

(b) D*ribe lhe lrj;ciple olplotla ued FftL

a.onpute.

(6

Da ll3)

f.qu6ncy

btudE

ed en

w* ir didowave

lrqtre4y

bhds,

.6

msi,

r3.

Cteety

dscibe

he

unctioft

ol:

(ii)

oMR;

(iii)

VoproFssr.

ab) lvith

rcat wavefon

sker. s,

exdain

I'M ?

Doiye Erpession

fo m FM

wave,

(6

Edks)

'O r

u'm e

ner

l/ek

d5gr4

etptain

rlF

aorkinc

of,

higb t"vet

rod,je d

AM

rr tuuir

16I: Dcsaib

rTtucuonor

dsch

btocl.

sby,_he

sen,

isnor

uphfied

anpreoouladon?

MODM

3

Exptain the principte ofa srrui gauserth ihe comr.ucrional

dils,e

of@y

,uo didordt

tj,l)ss

Or

16.

G) D:Tlai

rt

&trerat

hnpolmr

and rheir

firctio$

ol NbeD,fl{

syst6.

(b)

D6dib

th6 T.t

chmol

adio

srrE.

MoDb

4

l7

/3

Wrha

opar

b,rldiarM.

spjM

rbevm

Neurstr

orLhi@Itr?

Wlst

re

jBadvsnls

?

MoD@s

(3x4=12 ;a t )

19. Ijxplain

Urc echitecfu

of a

t

"icar

LAN.

Civ6 lifibMr

n*o.r

ropolosis.

Or

20. Wha'

B

a sJdcE

$ftsae

r

t4/har

e ilE hrctioos

DesFjUo

y r@

a,r"ru", .yp*

"r"y"*

8/10/2019 S1S2_2012_MAY

23/26

l

-

G 1355

R.g. No.,..............-.-.--.--..

Nsne,......-..------....-.

B.IECTI. DEGREE EXAI\dNATTON, MAY 2OT2

FiEt dd S@nd

SDeste.

I]N OlO 1o5_DNCINEDMNG CMP}IICS

(Nw

ScteD)

treeus^mprcvebentbupprcnedtaryj

(Comon

to AI, CE, EC,

EE

snl EI PE br@ches)

AM

@

full

quslion

fron

erch nod,ute.

Ntq6tiam m equllza)

na*s,

Rebin

all @retretion lines.

DrauinE Bhets b

6. euwlied

] -

Module 1

1. Consttucl a sydloidhavbs a

seraathg

circlc of50 nm diancld_ Drav a rmseni md

a

ndnal

at

ao}

poin'

non *. l.lae

Ol

2. CoobFuclu Arch'n

dian 3piJa.ofono

Md

s hsllmnvolu on Thc

cFaEq

ahd rhr l.ar ;edii

re 160 @

6d 30 lM .*pctivoly. Dras , tes@l

and a nomal ar ey

poini

30 lru &om tL.

Modute

2

3. A lile AB oflelgill

?0 bm i3

pdalll

to \.P eil30 rrD in 60.l

olir

lfthe poinr

A h $ nn and the

point

B i3 45 IrD abov IIPi draw its

pFjarids

anil 6ril rhc lorizonisl rrse ofrLe line.

ol

4. Alipc G to be fed

on a vortical vall One ad oftl pip. i6

t ucLilg on thc fldor md thc oths sd

iE at a loight of 3n. r the diste@

beiw.en tha onds of rho

pipe

neasucc dons the noor is 6n,

finil

8rdlhicaly

the laetll al

the

pjpo

dd ite inclinarion

io th noor

Module

B

6. Aiehnedn of70 nn

edge 3lyiag on I]P d dne o{its faes w h m edge

pdpadicutd

io v?.

Ii, is cu by . s@rion

plde

lelpendicdar

io

rIP

b f[at

ile tre s[.5l)c of0ro scclion k M isoscclcs

triangle ofbse 56 IlD lale md eltitudo ,14da. D.av lha scctional top vicw md ur. inc Bhapeol

8/10/2019 S1S2_2012_MAY

24/26

c 1366

6. A

pstg.nd pyranid

25

rm sidee of bas and 50 nn dis lcnstlr rcsts on Hl, on one of ils stml,

ddses,

D.aw th6

projection

ol the

pya

amid when ure sis appers lo b Gclined

to vl, ai 451

Modul,1

7 A vorlical hexsonal

prisn

ol 30 llm

side and dis 65 lm long has o.e of ik .ectasdsr races

prallet

t \? ed

leabr o i . A circuls hole ol 20 nn

diaoetef

is

.ldlled lhrough th

p.i6n

mnpletely

such tbat the axis of the |ole

bisects tho dis of ih3

pisD

ar is}ft msles snd

G

pcrpendion*

b llP.

D.ar ti dselopnat ol the

prjsn

shdwing

rhe shrpe df rtre holc o il.

3 .

Or

A elid in tnc fom of a rruncared

hancDnsl

pJrmid

base 30 mn side, dis 60lm long

and ar

.osc

ofLhFba6a

parsll6lb

rhe

vP.

s rcsugor

f.

oascon

Inc

horiuon'stp .

Ttotu,at"d

surfac ofthe pyaanid

is.ontahed i

a

plane

rvLich is inclined 30"

o Hp. The

ptdne

Fsses

through

a

poini

on lhe sis ofthe pyradid

and rhe point

is 30 bn abore rne b$e. Dmw

th. isonerric via

Module 6

D.a* the ldpe.tive view of a .eclesllu lnu ol 100 bn x 60 lrn x 40 nn sik tyilg on it.s

100

nh

i

60 lrn .eciseular

face o. the ground pland,

vitn

a

veltj.al

edge touching ihe piclls

pli.e

md

the end faces nclined

60" wilh lhe

pictue pbnc.

The srarior

poinr

is

tOOdn in f.orr

of thd

picture pld,

30 Im above the

grcsd

ptae

md lies in

a cant.at

llane

RLich

is

passins

rhroush rhe ceni.e

ofrhe

pnsn.

10. A squm

lnsE

50 u sdgeofblse

and heighr 00 rm

is srandingon Hp w h its

axis veriimt ad

ihe fton

lefi rectsqnlar fac6

nclined st

3Oeo w' Tlis

pim

G mnptor.ty pie.ed

by

a

hodzonral

square

prisn

ol40

tu edsof

basedd 100 nn tobg

such rhar rh

uis ofhorh the

lisns

ara

peallel

t VP

and biseci

eachorherai ishr uetes.

T frorr tower ect3ngdar

fac ofrhe [o.jrd,tl

prisn

b hclhed

at 30. o IlP. Drss

ine

rrrcjecrions

hoving

rhc lines of intersedion.

8/10/2019 S1S2_2012_MAY

25/26

's356

L9. No...-....-.--..-.-..-......

Nm....,,,,,....,..........,,,.,,,.,,.,.

B.AtsCE. DEGBEE EXAMINATION,

MAY 2012

Ft6t md S..dd

SeneFle.

EN OIO O5, ENCINEERINC

IIAr'HICS

(New

schme)

I

tlgrttu/Idpm\

el@ L/Supplebetriaryl

t.omon

Lo AX. AU,

CS, lC, rl. ME ed

pO

B"uches.

.

M* imr .100Mr*g

aBut

6e

qethn

lrom

uch tudub.

All

qudtio6

carry eqLal m*..

-

llztain

dll @^structioa tiEc.

Dreu

iU shp?u to

be ,uppti.d.

-

Modul 1

L Dra{ lne rvauto

of r trdc of

3 @ diatrb

Atso dft

a

a oom,t nd

angd, b i d

a

pmr

r0 m

frcn th centre

otrh circle.

2. Dns

a lossiihmic

spial,

sivm

ite

foildins debns

;- Initial .aaius : 30 d,

Angl berwer

succeedins radiu

rcctoE 30",4tio

of sncessive

radim vcror 6/4. atso

dF a n(rnrl

ed a

lsns nr

ar uy

p.inr

on

tho s

".

Modulc 2

J D-rw

lhop'o."dobsoftb6

lln.ABo.

ogrh

g0

lm. Dclneda 3Opai,h

Hpad

45.qthvl

A

po io r 'D

dA3 ,30 Im 6abAaradsLmccot3s tuabNc Hp i ld40min t ro , r o rvp .A t$ tmd

th

posiiion

ofA ifthe

lortion

co ai ns

A i3 rorard towards

rh6 retela- e

plme.

.a;

4. A circula

lamina of 70

6b dimeier rs{s

oa rhe HP uch

1,hat h suface

inclinod at 36"

o Uro

l{P.

The di@tr

rhmsh

tte

p.int

@ which rhe laEira

apleao

to bo nclimd at

35c n h tdp view.

Drav fts

prcjediols.

i4odu16 S

5. A

p@t3gonal

lyrdid,

baso

edg6 30 rrn bd

hoight ?O rm b resting

d a rein\?euch

rhar

lhe

abot6 .orner is at

a h.ight of 30

bE abolo IIP sd

ald on Hp. D.av ihe

prcjalions

if rh;

opor 3 3r 6 di.ltuFof 25 @a*ay6om tp.

Or

8/10/2019 S1S2_2012_MAY

26/26

10. A Lori@td.ylindr

ofdidter 40 m

penetra $

tltulgh a veti.sl cylindr ofsue di@e .r,

The di3 oftle

hoizontl

cylindd is

p8nllel

to both he

lbns

md 6 Im in ftolt ofthe ub oftle

vdiiclr cyrindd.

Dnt t

prcjatials

oltho sUd showiig the cNe of

intEeiion,

(6

x 20

=

100n&lc)

2

c rlFa_

A ldasmar

p.in

of ilg ol bas 30 @, sltiiud

?0 lm lying witL

a fae on IlP is dl irt two

halves by a vcrticd

plsne irdined at 60'io th dtu. D$w ih

sectional .16%tion

md ilre tne

sbapeof Deofn .ha lvee

Mo'ttd

a

A cncnls 6ne, bsp cnde diaastd 50 ob ed Ldglt

70 lm is restins on ib bass. Alenicircukr

ole, diuetei 26 IIn is driled s.l lhat iL dis oltle holo is perpmdicnlu io LP dd intarsct

{i h lhe dh of tie cone al hisht of 20 @ abre

IIP- Dselop ih laieral slrfaco of the @d

f

l.sbpsur{aoft}s bolh llat.

Or

A cylidric'l dat a0 lrn dideier dd 16 rD ilri. is slmosted by a @be

ot.lonn side. On i

tooofdFrube reeB a

gquare

lr@id

otaltrlude 40

m sd sde olbs.e 32 m. Tb6

"xos

dftho

solids ue in the sme straisht lin. DraR tle isonetric

projeciion

of th. soliil.

Module 6

A Eianeuar

prisod

of ffie edg" 30 tm ed b0 lm .ons .s '

cstrnA

o on ol ,ts recttnglld facag

or tls

Sroud

vith its bl8e eds mslirg @ @gle of40'witLthe pict@

l@e.

I'he neuest comer

of tld re.ta4nlu fac on tl.

grud

ii 10 ]rD bshind tne PP- Ih sttion

point

is ?0 rrn &om the

PPud10llfrt

th

lft

oflhe @no lear.st t PP. Thd boizo

pluo

is 60

ffi

abore

ihe

eauil.

Draw the

paslective

wis of tle obj4t.

Or