EXAMSTARTTIME:10:00:00EXAMDURAITON:03:00:00

TOTALNOOFQUESTIONS:200

EXAMDATE:27092016EXAMNAME:BSNLOnlineExamination2016TOTALMARKS:200

Question1.PicktheSynonymfortheword"transparent"Options:a)verboseb)involvedc)lucidd)wittyCorrectAnswer:lucidQuestion2.Pickthemostsuitableonewordsubstitutefor"ApersonwhodoesnotbelieveintheexistenceofGod"Options:a)Theistb)Atheistc)Asceticd)AgnosticCorrectAnswer:AtheistQuestion3.Whichofthechoicesgivenbelowshouldreplacethephrasegiveninboldinthefollowingsentencetomakethesentencegrammaticallymeaningfulandcorrect.ThedifferencesbetweentwophotographswillremovewiththehelpofPhotoshop.Options:a)shouldremoveb)couldhavebeenremovedc)musthaveremovedd)hadremovedCorrectAnswer:couldhavebeenremovedQuestion4.Choosetheoddonefromgivenfourchoices:Options:a)Honeyb)Pearlc)Corald)ResinCorrectAnswer:ResinQuestion5.Findoutthecorrectspeltwordfromthechoicesgiven:Options:a)Excessiveb)Exccessivec)Exccesived)ExcesiveCorrectAnswer:ExcessiveQuestion6.ChoosethewordwhichistheexactOPPOSITEofthegivenwords:BELITTLEOptions:a)Criticizeb)Flatterc)Exaggerated)AdoreCorrectAnswer:ExaggerateQuestion7.Choosetheappropriatewordintheblankfromthegivenalternatives.Indiaisplanning_______manyatomicplantstogeneratepower.Options:a)buildsb)tobuildc)buildingd)bebuildsCorrectAnswer:tobuildQuestion8.Choosethecorrectpluralofthefollowingword:ChurchOptions:a)Churchsb)Churchesc)ManyChurchd)ChurchiesCorrectAnswer:Churches

Question9.Selectonewordwhichisclosestinmeaningtothestatementinthequestion:ApersonwhotalkstoomuchOptions:a)Astuteb)Discerningc)Garrulousd)PerceptiveCorrectAnswer:GarrulousQuestion10.Choosetheappropriateoptionstocompletethesentences:Wetriedhard,andintheend,wewereableto_____________Pradeep______________ushiscarjustforanhourOptions:a)make/lendingb)force/lendc)get/tolendd)have/lentCorrectAnswer:get/tolendQuestion11.InwhichyearwastheTRAIsetup?

?Options:a)1997

b)1998

c)1999

d)2000CorrectAnswer:1997Question12.Thefocallengthoflensoftheeyeisunderthecontrolof

_______Options:a)irisb)pupilc)ciliarybodyd)corneaCorrectAnswer:ciliarybodyQuestion13.WhobecamethefirstIndiabornbasketballplayertobepickedinNationalBasketballAssociation(NBA)?

()Options:a)BalbirSinghb)SatnamSinghBhamrac)BalbirChauhand)RameshRathodeCorrectAnswer:SatnamSinghBhamraQuestion14.WhichcompanyhasbeenawardedtheLeadingOil&GasCorporateoftheYear2015award?

2015?Options:a)IOCb)ONGCc)HPCLd)BPCLCorrectAnswer:IOCQuestion15.WhichofthefollowingfestivalsisnotaharvestfestivalofIndia

Options:a)Onamb)Pongalc)BhogaliBihud)LohriCorrectAnswer:FullMarksawardedtoallappearedcandidatesQuestion16.M.F.Hussainisfamousfor

............................Options:a)Poetb)Musicianc)Painterd)JournalistCorrectAnswer:PainterQuestion17.Namethestatewhoseboundariestouchmaximumnumberofstates

?Options:a)U.P.b)M.P.c)Bihard)JharkhandCorrectAnswer:U.P.Question18.WhichdayiscelebratedasworldBioFuelday?

Options:a)10August10b)15September15c)30August30d)10September10CorrectAnswer:10August10Question19.Oxygeninourbloodistransportedbyaproteinnamed

Options:a)haemoglobinb)keratinc)collagend)myoglobinCorrectAnswer:haemoglobinQuestion20.TheoldestmountainsinIndiaare

:

Options:a)Aravalisb)Vindhyasc)Satpurasd)NilgiriHillsCorrectAnswer:AravalisQuestion21.

Options:a)x2+log(x2+1)+c

b)log(x2+1)x2+c

c)x2log(x2+1)+c

d)x2+log(x2+1)+cCorrectAnswer:x2log(x2+1)+cQuestion22.Theanglebetweentwolineswhosedirectioncosinesarel1,m1,n1andl2,m2,n2is

l1,m1,n1l2,m2,n2,Options:a)sin1(l1l2+m1m2+n1n2)

b)cos1(l1l2+m1m2+n1n2)

c)tan1(l1l2+m1m2+n1n2)

d)cot1(l1l2+m1m2+n1n2)

CorrectAnswer:cos1(l1l2+m1m2+n1n2)Question23.TheLaplacetransformofe2tsin2is_______.

e2tsin2 :Options:a)

b)

c)

d)

CorrectAnswer:

Question24.Findtheareaoftheparallellogramwhoseadjacentsidesaregivenbythevectors

:

Options:a)42

b)42

c)21

d)21CorrectAnswer:42Question25.ForMultiplicationofmatrixwhichofthefollowingistrue

()Options:a)AllSquareMatricescanbemultipliedb)MxNmatrixcanbemultipliedwithMxNmatrixMxN,MxNc)MxNmatrixcanbemultipliedwithNxAmatrixMxN,NxAd)Noneofthese CorrectAnswer:MxNmatrixcanbemultipliedwithNxAmatrixMxN,NxAQuestion26.TheComplexnumbera+ibcanberepresentedas(z,),whereis

a+ib(z,),Options:a)Tan(b/a)

b)Inv(tan(b/a))

c)Sin(b/a)

d)Inv(Sin(b/a))CorrectAnswer:Inv(tan(b/a))Question27.

Options:a)2

b)4

c)1

d)5CorrectAnswer:1Question28.

Options:a)7/3

b)3/7

c)2/3

d)3/2CorrectAnswer:FullMarksawardedtoallappearedcandidatesQuestion29.Findthedistancebetweenthepoints(3,2)and(6,4).

(3,2)(6,4)Options:a)85

b)79

c)53

d)35

CorrectAnswer:35Question30.Findtheradiusofacirclewhosediameterhasendpoints(3,2)and(7,8).

(3,2)(7,8).Options:a)5

b)52

c)(2,3)

d)52CorrectAnswer:52Question31.Thepartialdifferentialequation5(2z/x2)+6(2z/y2)=xyisclassifiedas

5(2z/x2)+6(2z/y2)=xy:Options:a)ellipticb)parabolicc)hyperbolicd)noneofthese CorrectAnswer:ellipticQuestion32.Thepartialdifferentialequation(2z/x2)5(2z/y2)=0isclassifiedas

(2z/x2)5(2z/y2)=0:Options:a)ellipticb)parabolicc)hyperbolicd)noneofthese CorrectAnswer:hyperbolicQuestion33.TheringZ[x]is

Z[x]:Options:a)aPID

b)aUFD

c)aPIDandaUFDPIDUFDd)noneofthese CorrectAnswer:aUFDQuestion34.Giventhaty1(x)=x1isonesolutionof2x2y"+3xy'y=0,x>0.Thenthesecondlinearlyindependentsolutionis

2x2y"+3xy'y=0,x>0y1(x)=x1Options:a)x2

b)x

c)x1/2

d)x2

CorrectAnswer:x1/2

Question35.Asystemconsistingoftwoparticlesmovesonaplane.Thenthedegreeoffreedomis

:Options:a)2

b)3

c)4

d)6CorrectAnswer:4Question36.Foraconservativeholonomicdynamicalsystem,theLagrangianL,kineticenergyTandpotentialenergyVareconnectedby

L,TVOptions:a)L=T+V

b)L=TV

c)L=2T+V

d)L=2TVCorrectAnswer:L=TVQuestion37.TheFouriersintransformofxm1isdefinedby

xm1 Options:a)0xm1sinsx

b)xm1sinsx

c)0xm1sinx

d)xm1sinx

CorrectAnswer:0xm1sinsxQuestion38.Lsin2atequals

Lsin2:Options:a)2a2/s(s2+4a2)

b)2a2/s(s24a2)

c)2s/(s2+4a2)

d)noneofthese CorrectAnswer:2a2/s(s2+4a2)Question39.Aspectrumline=6000ofastarisfoundtobeshifted0.1towardslongerwavelengthsfromthepositionofthesamelineinterrestriallaboratory.AssumingtheshifttobeduetoDopplereffect,whatisthevelocityofthestar?

(=6000),.,0.1?Options:a)5X104m/sec5X104/b)5X103m/sec5X103/c)2.5X104m/sec2.5X104/d)2.5X103m/sec2.5X103/CorrectAnswer:5X103m/sec5X103/Question40.Aninductionwattmetercanbeusedfor

:

Options:a)bothD.C.andA.C.b)D.C.onlyc)A.C.onlyd)anyofthethese CorrectAnswer:A.C.onlyQuestion41.Intel8085isan_____MUP

8085_____________MUPOptions:a)8bitNMOS

b)8bitCMOS

c)8bitPMOS

d)8bitHMOSCorrectAnswer:8bitNMOSQuestion42.Thetransitionelementsarealsoknownasthe_____blockelements.

________Options:a)a

b)b

c)c

d)dCorrectAnswer:dQuestion43.InMKSsystem,theunitoftimeis

MKS:Options:a)hourb)secondc)minuted)dayCorrectAnswer:secondQuestion44.Lightwaves

Options:a)cantravelinperfectvaccumb)requireairtotravelthroughc)requireanelectricfieldtotravelthrough d)requireamagneticfieldtotravelthrougCorrectAnswer:cantravelinperfectvaccumQuestion45.Whenlightpassesfromairtoglass,itexperienceschangeof

,Options:a)frequency/wavelength/b)frequencyandspeedc)wavelengthandspeedd)frequency,wavelengthandspeed,

CorrectAnswer:wavelengthandspeedQuestion46.____________isadimensionlessquantity.

.Options:a)Gravityb)SpecificGravityc)Densityd)accelerationCorrectAnswer:SpecificGravityQuestion47.1KWHisunitof

1KWH:Options:a)Timeb)Powerc)Energyd)Stress CorrectAnswer:EnergyQuestion48.Whichofthefollowinghasnounits?

?Options:a)Thermalcapacityb)Magneticsusceptibilityc)Angularaccelerationd)MomentofamagnetCorrectAnswer:MagneticsusceptibilityQuestion49.kgm/secistheunitof

kgm/sec:Options:a)Impulseb)Angularaccelerationc)Capacityofcondenserd)AccelerationCorrectAnswer:ImpulseQuestion50.ThefundamentalunitwhichiscommoninF.P.SandM.K.Ssystemsis

FPSMKSOptions:a)footb)secc)kilogramd)poundCorrectAnswer:sec

Question51.Reflectivityofmetals

:Options:a)0.05b)0.50c)0.95d)None CorrectAnswer:0.95Question52.Techniqueusedtoabsorbnoisebyusingsoftandporoussurfacesiscalled

:Options:a)acousticprotectionb)refractionc)absorptiond)semilunarprotectionCorrectAnswer:acousticprotectionQuestion53.Byexposureofelectronsbeamsonatomsandobservingtheirbehavioruponfallofbeamcanhelptodetermine

__________Options:a)chargeb)weightc)lengthd)allCorrectAnswer:chargeQuestion54.Atomicspectraisanexampleof

:Options:a)linespectra b)continuousspectra c)bandspectra d)bothlinespectraandcontinuousspectra CorrectAnswer:linespectra Question55.Electroninatomareheldinatomdueto

__________Options:a)coulombsforceb)nuclearforcec)atomicforced)bothcoulombsforceandnuclearforceCorrectAnswer:coulombsforceQuestion56.Workdoneonbodyequalstochangeinitskineticenergyisknownas

,:

Options:a)workdoneprinciple b)workenergyprinciplec)workvelocityprincipled)speeddisplacementprincipleCorrectAnswer:workenergyprincipleQuestion57.Acapacitorischargedbyaconstantcurrentof2mAandresultsinavoltageincreaseof12Vina10secinterval.Thevalueofcapacitanceis

2mA1012VOptions:a)0.75mF

b)1.33mF

c)0.6mF

d)1.67mFCorrectAnswer:1.67mFQuestion58.WhatisthevalueofReq?

Req?

Options:a)11.86

b)10

c)25

d)11.18CorrectAnswer:11.18Question59.Ohmslawisnotapplicablefor

___________Options:a)Insulatorsb)electrolytes c)vacumratiovalvesd)Arclamps CorrectAnswer:InsulatorsQuestion60.If120Cofchargepassesthroughanelectricconductorin60sec,thecurrentintheconductoris

60120C,:Options:a)0.5A

b)2A

c)1A

d)4ACorrectAnswer:2A

Question61.IntheabovecircuitthecurrentsI1andI2are

,I1I2:

Options:a)6A,3A

b)3A,6A

c)4.5A,4.5A

d)5A,4ACorrectAnswer:6A,3AQuestion62.Whatistheformfactorofpuresinewave?

?Options:a)1.11

b)1.414

c)1.732

d)0.5CorrectAnswer:1.11Question63.Twouncoupled3Hinductorsareconnectedinparallel.Theirtotalinductanceis

3HOptions:a)1.5H

b)6H

c)12H

d)3HCorrectAnswer:1.5HQuestion64.TheEnergyStoredinaCapacitorcanberepresentedas

Options:a)CV2/2

b)V2/2C

c)C2V/2

d)Noneofthese CorrectAnswer:CV2/2Question65.Faraday'sLawisapplicable

(Faraday'sLaw)Options:a)InallchangingMagneticfiledsb)Inallmovingconductorsc)Onlywhentheconductorisclosedloopofthinwired)OnlywhenmagneticfieldisofpermanentmagnetCorrectAnswer:InallchangingMagneticfiledsQuestion66.Ininsulators

(insulators)

Options:a)InternalElectricChargesflowsfreelywithexternalelectricfield b)InternalElectricChargesdoesnotflowfreelywithexternalelectricfield c)InternalElectricChargesflowsalongwithexternalelectricfield d)InternalEelectricChargesflowsoppositetoexternalelectricfield CorrectAnswer:InternalElectricChargesdoesnotflowfreelywithexternalelectricfield Question67.Theresistanceofaparallelcircuitconsistingoftworesistorsis12ohms.Oneoftheresistencewirebreaksandtheeffectiveresistancebecome18ohms.Theresistenceofthebrokenwireis

12ohms18ohms...Options:a)48ohms

b)18ohms

c)36ohms

d)24ohmsCorrectAnswer:36ohmsQuestion68.

Options:a)29V

b)30.5V

c)14V

d)18VCorrectAnswer:29VQuestion69.

Options:a)13

b)1.6

c)6

d)2.5CorrectAnswer:1.6

Question70.Norton'stheoremis..Thereni'stheorem

,____________Options:a)thesameasb)converseofc)noneofthese d)cannotsayCorrectAnswer:FullMarksawardedtoallappearedcandidatesQuestion71.Powerfactorofacircuitcanbeimprovedbytheuseof

__________Options:a)chokecoilb)capacitorc)inductionmotord)none CorrectAnswer:capacitorQuestion72.DomesticappliancesareconnectedinparallelacrossACmainsbecause

ACOptions:a)itissimplearrangementb)operationofeachappliancebecomesindependentofeachotherc)applianceshavesamecurrentratingsd)noneofthis CorrectAnswer:operationofeachappliancebecomesindependentofeachotherQuestion73.Acoilhavinganinductanceof150mHiscarryingacurrentof5Amp.Ifthecurrentisreducedtozeroin1milliseconds,theselfinducedemfwillbe

150mH5.Options:a)125V

b)375V

c)500V

d)750VCorrectAnswer:750VQuestion74.Kirchoff'sVoltageLawisknownas

.Options:a)ConservationofChargeb)ConservationEnergyc)Bothd)None CorrectAnswer:ConservationEnergyQuestion75.Anntypesiliconbar0.1cmlongand100m2crosssectionalareahasamajoritycarrierconcentrationof5x1020/m3andthecarriermobilityis0.13m2/Vsat300K.Ifchargeofanelectronis1.6X1019coulomb,theresistanceofthebaris

n0.1cm100m25x1020/m3300K0.13m2/Vs 1.6X1019

Options:a)106Ohm

b)107Ohm

c)105Ohm

d)104OhmCorrectAnswer:106OhmQuestion76.AssumethattheoftransistorisextremelylargeandVBE=07.V,ICandVCEinthecircuitshowninthefigureare

VBE=07.V.ICVCE

Options:a)Ic=1mA,VCE=4.7V

b)Ic=0.5mA,VCE=3.75V

c)Ic=1mA,VCE=2.5V

d)Ic=0.5mA,VCE=3.9VCorrectAnswer:Ic=1mA,VCE=2.5VQuestion77.WhatistherangeofanFET'sinputimpedance?

FETOptions:a)10to1k101kb)1kto10k1k10kc)50kto100k50k100kd)1MtoseveralhundredM1MMCorrectAnswer:1MtoseveralhundredM1MMQuestion78.Siliconispreferredformanufacturingzenerdiodebecauseit

,Options:a)isrelativelycheapb)needslowerdopinglevel(doping)c)hashighertemperatureandcurrentcapacityd)haslowerbreakdownvoltageCorrectAnswer:hashighertemperatureandcurrentcapacityQuestion79.Adarlingtonpairandanemitterfollowerhavethesame

,Options:a)inputimpedanceb)currentgainc)voltagegaind)powergain

CorrectAnswer:voltagegainQuestion80.Seminconductormaterialhave

(semiconductor)Options:a)ionicbandsb)covalentbondsc)mutualbondsd)metallicbondsCorrectAnswer:covalentbondsQuestion81.SiliconhasZ=14,itsoutermostorbitis

Z=14Options:a)partiallyfilled:b)halffilledc)completeyoccupied:d)emptyCorrectAnswer:halffilledQuestion82.InputimpedanceofBJTis

BJTOptions:a)HigherthanthatofFETFETb)LowerthanthatofFETFETc)Dependsuponthetypeofusaged)SameasthatofFETFETCorrectAnswer:LowerthanthatofFETFETQuestion83.LeakagecurrentintheSiliconsemicondcutorisintheorderof

.Options:a)Ampsb)milliAmpsc)microAmpsd)nanoAmpsCorrectAnswer:nanoAmpsQuestion84.InaNchannelJFET,DraincurrentismaximumwhenGateVoltageVGSis______

VGS, .Options:a)equalto+VDD+VDDb)morethanto+VDD+VDDc)equalto"0volts""0"d)AlloftheseCorrectAnswer:equalto"0volts""0"

Question85.WhichofthefollowingistruewithrespecttoDCAmplifier(Directcoupledamplifier)

?Options:a)CapableofamplifyingDCsignals.b)isdesignedwithoutuseofanycouplingcapacitorsatinput.c)PoorThermalstabiltyd)AlloftheseCorrectAnswer:AlloftheseQuestion86.InaBJT,thebasespreadingresistanceisoftheorderof

BJT,__________Options:a)1

b)10

c)100

d)1000CorrectAnswer:100Question87.TypicallyGetransistorsareoperatedovertemperaturerangeextendingfrom

:Ge _________Options:a)25Cto+175C

b)65Cto+75C

c)65Cto+175C

d)25Cto+75CCorrectAnswer:65Cto+75CQuestion88.Effectofcascadingseveralamplifierstagesisto

_________Options:a)reducetheoverallgainb)reducetheoverallfrequencyresponsec)increasetheoverallgainandreducethefrequencyresponsed)decreasetheoverallgainandincreasethefrequencyresponseCorrectAnswer:increasetheoverallgainandreducethefrequencyresponseQuestion89.Schmitttriggerisalsoknownas

:Options:a)squaringcircuit b)blockingoscillatorc)sweepcircuitd)astablemultivibratorCorrectAnswer:squaringcircuit Question90.Whichofthefollowingcircuitsisusedisusedforproductionofdelays

?

Options:a)Astablemultivibratorb)Bistablemultivibratorc)Monostablemultivibratord)Schmitttrigger CorrectAnswer:MonostablemultivibratorQuestion91.Thebatteryconnectionsrequiredtoforwardbiasapnjunctionare

pn______Options:a)+veterminaltopandveterminalton+vepvenb)veterminaltopand+veterminaltonvep+venc)veterminaltopandveterminaltonvepvend)Noneofthese CorrectAnswer:+veterminaltopandveterminalton+vepvenQuestion92.Theratioofreverseresistanceandforwardresistanceofagermaniumcrystaldiodeisabout

:Options:a)1:1

b)100:1

c)1000:1

d)40000:1CorrectAnswer:40000:1Question93.Amasterslaveflipflophasthecharacteristicthat

Options:a)changeintheinputisimmediatelyreflectedintheoutputb)changeintheoutputoccurswhenthestateofthemasterisaffected,c)changeintheoutputoccurswhenthestateoftheslaveisaffected,d)boththemasterandtheslavestatesareaffectedatthesametimeCorrectAnswer:changeintheoutputoccurswhenthestateoftheslaveisaffected,Question94.Theripplecountershowninthegivenfigureworksasa

?

Options:a)mod3upcounter3b)mod5upcounter5c)mod3downcounter3d)mod5downcounter5CorrectAnswer:mod5downcounter5Question95.TheBooleanexperssionY=A'B'C'D+A'BCD'+AB'C'D+ABC'D'canbeminimized

Y=A'B'C'D+A'BCD'+AB'C'D+ABC'D':

Options:a)Y=A'B'C'D+A'BC'+AC'D

b)Y=A'B'C'D+BCD'+AB'C'D

c)Y=A'BCD'+B'C'D+AB'C'D

d)Y=A'BCD'+B'C'D+ABC'D'CorrectAnswer:Y=A'BCD'+B'C'D+ABC'D'Question96.Ina3.5digitalvoltmeter,thelargestnumberthatcanbereadis

3.5,:Options:a)999

b)1999

c)4999

d)9999CorrectAnswer:1999Question97.Fora4096x8EPROM,thenumberofaddresslinesis

4096x8EPROM Options:a)14

b)12

c)10

d)8CorrectAnswer:12Question98.The___________gateisgenerallyusedtocheckforortogeneratetheproperparityinacode.

_________:Options:a)NAND

b)NOR

c)EXNOR

d)EXORCorrectAnswer:EXORQuestion99.Acircuithasanoutputthatisdeterminedbythepresentinputaswellaspreviousoutputstates,thecircuitisknownas

,,Options:a)mealeymachineb)mooremachinec)sequentialcircuitd)Noneofthese CorrectAnswer:sequentialcircuitQuestion100.Shiftingthecontentsofashiftregister,leftbyoneplace,isequivalentto

Options:a)Dividingthecontentsby1010b)Dividingthecontentsby22c)Multiplyingthecontentsby22d)Noneofthese CorrectAnswer:Multiplyingthecontentsby22

Question101.CMOScircuitsareextensivelyusedforICchipsfabrication,mainlybecauseoftheirextremely

ICCMOS,:Options:a)lowpowerdissipationb)largepackingdensityc)highnoiseimmunityd)lowcostCorrectAnswer:lowpowerdissipationQuestion102.SimpleDelayCircuitcanbeconstitutedby

(Delay)Options:a)ShiftRegistersb)FlipFlopsc)Multiplexerd)AlloftheseCorrectAnswer:AlloftheseQuestion103.FGinHexadecimalSystemscanbewritteninBinarySystemas

FG,Options:a)11111100

b)11110011

c)11111111

d)NotavalidHexadecimalNumberCorrectAnswer:NotavalidHexadecimalNumberQuestion104.Thebandwidthofanaudioamplifierextendsfrom20Hzto:

20____________Options:a)2000Hz

b)10000Hz

c)20000Hz

d)100000HzCorrectAnswer:20000HzQuestion105.Howmanybytesarethereinbinarynumber1001101000111010?

1001101000111010?Options:a)1

b)2

c)3

d)4CorrectAnswer:2Question106.Thediameterofanatomis

Options:a)106

b)1010

c)1015

d)1021

CorrectAnswer:FullMarksawardedtoallappearedcandidatesQuestion107.Thebinaryequivalentofdecimalnumber17is

17:Options:a)10000

b)01111

c)100001

d)11111CorrectAnswer:FullMarksawardedtoallappearedcandidatesQuestion108.TheFlipFlopwhichactsasFrequencydivideris

Options:a)SRFlipFlop..b)DFlipFlopc)TFlipFlopd)None CorrectAnswer:TFlipFlopQuestion109.Fivememorychipsof16X4sizehavetheiraddressbusesconnectedtogether.Thissystemwillbeofsize

16X45 ?Options:a)16X16

b)16X20

c)20X16

d)16X64CorrectAnswer:16X20Question110.TheequipmentusesBinarycodeddecimal(BC)numbersis

(BC):Options:a)pocketcalculatorb)electroniccounter c)digitalvoltmeterd)alloftheseCorrectAnswer:alloftheseQuestion111.Thecurrentdrawnbya120VDCmotorofarmatureresistance0.5andbackemf110Vis____ampere.

120VDC0.5 110V, ____AOptions:a)20

b)240

c)220

d)5CorrectAnswer:20

Question112.Thepowertakenbya3loadisgivenbytheexpression

3?Options:a)3VLILcos

b)3VLILcos

c)3VLILsin

d)3VLILsinCorrectAnswer:3VLILcosQuestion113.Agoodtranformermusthavevoltageregulationashighaspossible

Options:a)TRUEb)FALSEc)Cannotbesaidd)Noneofthese CorrectAnswer:FALSEQuestion114.Thebrushesofadcmachinearemadeof

_________Options:a)ironb)brassc)micad)carbonCorrectAnswer:carbonQuestion115.Calculatetheregulationoftransformerinwhichohmiclossis1%oftheoutputandreactancedropis5%ofthevoltage,whenthepowerfactoris0.8Lag

0.8lag 1% 5%Options:a)3.8%

b)3.5%

c)1%

d)5%CorrectAnswer:3.8%Question116.TheapparentpowerofACFlowismeasuredin:

AC(apparentpower)Options:a)Wattsb)Joulesc)VoltAmpd)AmpHourCorrectAnswer:VoltAmpQuestion117.TheRMSOutputofFullwaverectifieris

()RMS

Options:a)V(peak)/Sqrt(2)

b)V(peak)/Sqrt()

c)V(peak)/

d)Noneofthese CorrectAnswer:V(peak)/Sqrt(2)Question118.StandardMotorStartersupplies____________initialvoltageforproperstartingofthemotor.

___________(initialvoltage)Options:a)Higherb)Constantc)Normald)LowerCorrectAnswer:LowerQuestion119.InanidealtransformerthenoloadprimarycurrentI0____________

Io___________Options:a)isinphasewithV1

b)leadsV1by90degree

c)lagsV1by90degree

d)lagsV1behind90degreeCorrectAnswer:lagsV1behind90degreeQuestion120.Whenthedirectionofpowerflowreverses,adifferentialycompoundedDCmotorbecomes______________

_____________Options:a)ashuntmotorb)aseriesmotorc)acumulativelycompoundedgeneratord)adifferentiallycompoundedgenerator CorrectAnswer:acumulativelycompoundedgeneratorQuestion121.Thespeedof3phase,4pole,50Hzinductionmotorwhoserotorinenergysedfromanindependent3phase,30Hzsupply,is__________RPM

Options:a)600

b)2400

c)either'a'or'b'

d)900CorrectAnswer:900Question122.Themotornormallyusedforcranetravelis______________

:____________Options:a)synchronousmotorb)d.c.differentiallycompoundedmotor c)wardleonardcontrolledd.c.shuntmotord)a.c.slipringmotor

CorrectAnswer:a.c.slipringmotorQuestion123.Inaninductionmotorforavalueslip(s)=0,thetorque(T)is

(s)=0,, (T):Options:a)maximumb)zeroc)minimumd)Twicethevalueoffulltorque CorrectAnswer:zeroQuestion124.WhatisthepercentagepowersavingwhenthecarrierandoneofthesidebandsaresuppressedinanAMwavemodulatedtoadepthof50%?

50%AM?Options:a)66.6%

b)50%

c)33.3%

d)94.4%CorrectAnswer:94.4%Question125.InPCMsystem,ifthequantizationlevelsareincreasedfrom2to8,thebandwidthrequirementwill

PCM28Options:a)remainsameb)bedoubledc)betripledd)becomefourtimesCorrectAnswer:betripledQuestion126.Themodulationinherentlymostnoiseresistantis

Options:a)SSBsupressedcarrierSSBb)frequencymodulationc)pulsepositionmodulationd)pulsecodemodulationCorrectAnswer:pulsecodemodulationQuestion127.Ifthelowersidebandoverlapsthebasebands,thedistortioniscalled

,,,Options:a)CrossOverdistortionb)Aliasingc)Crosstalkd)Noneofthese CorrectAnswer:AliasingQuestion128.Theringmodulatorisgenerallyusedforgenerating

:____________

Options:a)SSB/SCsignalSSB/SCb)ISISignalISIc)widebandsignalwidebandd)DSB/SCsignalDSB/SCCorrectAnswer:DSB/SCsignalDSB/SCQuestion129.Aduplexerisusedto

Options:a)coupletwoantennastoatransmitter b)isolatetheantennafromthelocaloscillatorc)preventinterferencebetweentwoantennasconnectedtoreceiverd)usessameantennaforreceptionandtransmissionwithoutinterference CorrectAnswer:usessameantennaforreceptionandtransmissionwithoutinterference Question130.AGCvoltageisappliedtothestageswhichare______________

AGC____________Options:a)beforethedetectorstageb)afterthedetectorstagec)eitherbeforeorafterthedetectorstaged)noneofthese CorrectAnswer:beforethedetectorstageQuestion131.PDMisgeneratedbyemploying______________

___________PDMOptions:a)monostablemultivibratorb)schmitttrigger c)freerunningmultivibratord)JKflipflopJKCorrectAnswer:monostablemultivibratorQuestion132.Whichofthefollowingmicrowavetubeamplifiersusesanaxialmagneticfieldandradialelectricfield?

Options:a)CFA

b)Coaxialmagnetron c)Travellingwavemagnetron d)Reflexklystron CorrectAnswer:CFAQuestion133.TheHartleylawstatesthat_______________

Options:a)themaximumrateofinformationtransmissiondependsonthechannelbandwidthb)themaximumrateofinformationdependsonthedepthofmodulationc)redudancyisessentiald)onlybinarycodemaybeusedCorrectAnswer:themaximumrateofinformationtransmissiondependsonthechannelbandwidthQuestion134.VLFwavesareusedforsometypesofservicesbecause

VLFOptions:a)ofthelowpowerrequiredb)theyareveryreliablec)thetransmittingantennasareofconvenientsize d)interleavespulsesbelongingtodifferenttransmissionCorrectAnswer:theyareveryreliableQuestion135.Transpositionofopenwiresincarriersystemsisnecessaryto

___________Options:a)avoidcrosstalkb)boostthesignallevelsc)increasethebandwidthd)Noneofthese CorrectAnswer:avoidcrosstalkQuestion136.Thefollowingisanalogmedia

:Options:a)emb)cablePCMPCMc)OFCsystemOFCd)digitalmicrowaveCorrectAnswer:emQuestion137.Loadingofacableisdoneto1.Increaseitsinductance2.Increaseitsleakageresistance3.Decreaseitsleakageresistance4.Achievedistortionlesscondition

1.2.3.4.Options:a)1,3&41,3&4b)1&3only1&3c)2&4only2&4d)1&4only1&4CorrectAnswer:1&4only1&4

Question138.ThedynamicimpedanceofaparallelRLCcircuitatresonanceis

RLC :Options:a)C/LR

b)L/CR

c)R/LC

d)RLCCorrectAnswer:L/CRQuestion139.Inatransmissionlineterminatedbycharacteristicimpedance,Zo

,Zo Options:a)Thereflectionismaximumduetoterminationb)Therearealargenumberofmaximumandminimumontheline.c)Theincidentcurrentiszeroforanyappliedsignald)Thereisnoreflectionoftheincidentwave. CorrectAnswer:Thereisnoreflectionoftheincidentwave. Question140.InductiveImpedanceofaloadincreaseswith

()Options:a)IncreaseinFrequencyb)DecreaseinFrequencyc)IncreaseinAmplituded)DecreaseinAmplitudeCorrectAnswer:IncreaseinFrequencyQuestion141.PhaseModulationisgernerallynotusedfortransmissionbecause

( )Options:a)Itneedshigherpowerb)itneedslargeAntennaaSizesc)Itiscomplexfordecodingd)ItdoesnotcarrymuchinformationCorrectAnswer:ItiscomplexfordecodingQuestion142.VoltageControlledOscillatorisusedfor

Options:a)DecodingFMsignal(FM)b)GeneratingFMSignal(FM)c)DecodingAMSignal(AM)d)GeneratingAMSignal(AM)CorrectAnswer:GeneratingFMSignal(FM)Question143.TheCharacteristicimpedanceoftransmissionline

Options:a)Increaseswithincreaseinlengthb)Decreaseswithlengthoflinec)IndependentofLineLengthd)Noneofthese CorrectAnswer:IndependentofLineLengthQuestion144.Characteristicimpedanceisgivenby_____________

______________Options:a)Z0=(OCSCb)Z0=(SCOCc)Z0=(OCSCd)Z0=1/(OCSC

CorrectAnswer:Z0=(OCSC[OR]Z0=(OCSCQuestion145.ZoofconstantKfilterinthepassbandBis_____________

BKZo______________Options:a)apureinductanceb)apureresistancec)apurecapacitanced)acompleximpedanceCorrectAnswer:apureresistanceQuestion146.InanA.C.resistivecircuitthecurrent_________voltageby__________degrees

________,__________Options:a)lags,90,90b)leads,90,90c)lags,0,0d)lags,30,30CorrectAnswer:lags,0,0Question147.Theoutputofaleadacidcellis

:Options:a)1.25V

b)1.35V

c)2.2V

d)6VCorrectAnswer:2.2VQuestion148.Thetimeconstantofacapacitivecircuitis

:Options:a)CR

b)C/R

c)wC/R

d)wCRCorrectAnswer:CR

Question149.RMSvalueisrelatedtopeakvalueas

:Options:a)RMSvalue=0.707xpeakvalueRMS=0.707xb)RMSvalue=1/0.707xpeakvalueRMS=1/0.707xc)RMSvalue=1.414xpeakvalueRMS=1.414xd)RMSvalue=1/1.414xpeakvalueRMS=1/1.414xCorrectAnswer:RMSvalue=0.707xpeakvalueRMS=0.707xQuestion150.Infigure,Za=10050,Zb=30090andZc=2000.Forbalancedcondition,Zdwillbe

Za=10050,Zb=30090Zc=2000.Zd

Options:a)60040

b)600140

c)600140

d)150140CorrectAnswer:600140Question151.TheYplatesofaCROareexcitedbyavoltage2sin100tandtheXplatesarenotconnected.Thedisplaywouldbe

Y2sin100tXOptions:a)averticallineb)ahorizontallinec)Asinewaved)AslantlineCorrectAnswer:averticallineQuestion152.TheoperationofaThermocoupleisbasedon

:Options:a)Thomsoneffectb)Seebeckeffectc)Peltiereffectd)Faraday'slawsCorrectAnswer:SeebeckeffectQuestion153.Atachometerencoderhas

Options:a)oneoutputb)twooutputsc)threeoutputsd)noneofthese CorrectAnswer:oneoutputQuestion154.PulseShapinginlinecodingisusedfor

Options:a)UsingOptimumPowerConsumptionb)UsingOptimumBandwidthc)MaximizeIntersymbolInterferenced)SimplicityofCircuitsCorrectAnswer:UsingOptimumBandwidthQuestion155.PIDcontrolleruses_______________Betweeninputandoutput

PID__________Options:a)ProprtionalRelationb)IntegralRelation(integral)c)DifferentialRelation (differential)d)AlloftheseCorrectAnswer:AlloftheseQuestion156.Inmeasurementsystem,whichofthefollowingareundesirablestaticcharacteristic?

?Options:a)sensitivityandaccuracyb)drift,staticerroranddeadzone,c)drift,staticerror,deadzoneandnonlinearity,,d)reproducibilityandnonlinearityCorrectAnswer:drift,staticerror,deadzoneandnonlinearity,,Question157.AcrircuilarpieceofspecimenhassurfaceresistanceRS.Itsdiameterisdandthethicknessist.ThesurfaceresistivitySofthespecimenisgivenby___________

RSdtS______________Options:a)d2RS/t

b)RS/t/d

c)RS/t/d2

d)dRS/tCorrectAnswer:FullMarksawardedtoallappearedcandidatesQuestion158.Therotorofasynchrotransmitter________

______________

Options:a)usesasalientpoletypeofconstructionb)usesacylindricaltypeofconstructionc)mayuseeithersalientpoleorcylindricaltypeofconstructiond)noneofthese CorrectAnswer:usesasalientpoletypeofconstructionQuestion159.Maxwell'sinductancecapacitanceA.C.bridgeisusedformeasurementofinductanceof____________

______________Options:a)lowandmediumQcoilsb)highQcoilsc)lowQcoilsd)mediumQcoilsCorrectAnswer:mediumQcoilsQuestion160.Themostbasicofallinstrumentsis

:Options:a)TheCurrentmeterb)TheVoltmeterc)TheMultimeterd)TheOscilloscopeCorrectAnswer:TheVoltmeterQuestion161.A100microAmp,3000ohmmetermovement,theshuntresistancefordoublethecurrentrangeis____

100,3000__________Options:a)100ohm100b)1,500ohm1500c)3,000ohm3000d)60Kohm60KCorrectAnswer:3,000ohm3000Question162.Avoltmetermusthaveaveryhighinternalresistancesothatthe

Options:a)accuracyishighb)resolutionishighc)meterdrawsminimumcurrentd)loadingismaximumCorrectAnswer:meterdrawsminimumcurrentQuestion163.ForasecondordersystemsettlingtimeisTs=7sandpeaktimeisTp=3s.Thelocationofpolesare

Ts=7sTp=3s.

Options:a)0.97j0.69

b)0.69j0.97

c)1.047j0.571

d)0.571j1.047CorrectAnswer:0.571j1.047Question164.TheNyquistplotofaopenlooptransferfunctionG(jw)H(jw)ofasystemenclosesthe(1,j0)point.Thegainmarginofthesystemis

G(jw)H(jw)(1,j0)Options:a)lessthanzerob)greaterthanzeroc)zerod)infinityCorrectAnswer:lessthanzeroQuestion165.TheconstantMcircleforM=1isthe

M=1M:Options:a)starightlinex=1/2x=1/2b)Criticalpoint(1,j0)(1,j0)c)circlewithr=0.33r=0.33d)circlewithr=0.67r=0.67CorrectAnswer:starightlinex=1/2x=1/2Question166.TheunityfeedbacksystemischaracterisedbyanopenlooptransferfunctionG(s)=K/s(s+10).DeterminethegainK,sothatthesystemwillhavedampingratioof0.5.

G(s)=K/s(s+10).0.5KOptions:a)10

b)100

c)1000

d)0.1CorrectAnswer:100Question167.TheimpulseresponseofanRLcircuitis

RLOptions:a)risingexponentialfunctionb)decayingexponentialfunctionc)stepfunctiond)parabolicfunctionCorrectAnswer:decayingexponentialfunctionQuestion168.AcommunicationchannelwithadditivewhitGaussiannoise,hasabandwidthof4KHzandSNRof15.Itschannelcapacityis

4KHzSNR15Options:a)1.6Kbps

b)16Kbps

c)32Kbps

d)256KbpsCorrectAnswer:16Kbps

Question169.Feedbackinanamplifieralwayshelpsto_____________

_______________Options:a)increaseitsgainb)decreaseitsinputimpedancec)stabilizeitsgaind)controlitsoutputCorrectAnswer:stabilizeitsgainQuestion170.Gaincrossoverfequencyisthatfrequencyatwhich_______

______________Options:a)|GH(j)|=0

b)|GH(j)|=1

c)|GH(j)|=

d)|GH(j)|=1/2CorrectAnswer:|GH(j)|=1Question171.Magneticamplifiersareusedfor

__________Options:a)Voltageamplificationb)Currentamplificationc)Poweramplificationd)AlloftheseCorrectAnswer:CurrentamplificationQuestion172.Theloadingeffectonthepotentiometercanbeavoidedbytheuseof

____________Options:a)Alternator,b)Batteryc)Constantcurrentsourced)Trimmer CorrectAnswer:BatteryQuestion173.Thefrequencydomainandtimedomainanalysisarerelatedthrough

___________Options:a)Fouriertransformation b)Laplacetransformation c)Allofthesed)ZtransformationZ CorrectAnswer:Laplacetransformation Question174.Transferfunctionofasystemisdefinedastheratioofoutputtoinputin

_____________

Options:a)Laplacetransform b)Ztransformz c)Fouriertransform d)SinglealgebraicformCorrectAnswer:Laplacetransform Question175.Themarginbetweenactualgainandcriticalgainisameasureof

___________Options:a)Relativestabilityb)Absolutestabilityc)Sensitivityd)GainmarginCorrectAnswer:GainmarginQuestion176.TheProgrammableinterruptcontrollerisrequiredto

?Options:a)handleoneinterruptrequestb)handleoneormoreinterruptrequestsatatimec)handleoneormoreinterruptrequestswithadelayd)handlenointerruptrequestCorrectAnswer:handleoneormoreinterruptrequestsatatimeQuestion177.Thenumberofhardwareinterruptspresentin8085are

8085:Options:a)5

b)8

c)10

d)16CorrectAnswer:5Question178.Thecorrectsequenceofstepstoperform"Fetch"opearationinmicroprocessoris1.Opcodeisdecoded2.Placestheaddressoffirstbyteofinstructionontheaddressbus3.Getsopcodeonthedatabus

"Fetch":1.Opcode2. 3.databusopcodeOptions:a)1,2,3

b)3,1

c)2,1

d)2,3,1CorrectAnswer:2,3,1Question179.SDRAMrefersto

SDRAM:

Options:a)StaticDRAMDRAMb)SynchronousDRAMDRAMc)SemiDRAMDRAMd)AlloftheseCorrectAnswer:SynchronousDRAMDRAMQuestion180.Astackisnormallyusedindigitalcomputerstostorethereturnaddressatthetimeofasubroutinecallbecause

: Options:a)Stacksarenonvolatilememoriesb)Stackshavelargecapacityc)Informationinastackcannotbealteredbyotherinstructionsd)StackspermiteasynestingofsubroutineCorrectAnswer:StackspermiteasynestingofsubroutineQuestion181.Multiplexingofaddressanddatalinesisusedin

Options:a)Intel8086

b)Z80

c)6502

d)MC68000CorrectAnswer:Intel8086Question182.Inrelationalmodel,thedatastructuresare

,Options:a)simpleb)compiledc)bothsimple&compiledd)AlloftheseCorrectAnswer:simpleQuestion183.Forfibreopticalsencsors___________

______________Options:a)multimodetransmissionisusedb)singlemodetransmissionisusedc)bothsingleandmultimodetransmissioniscommonlyusedd)noneofthese CorrectAnswer:bothsingleandmultimodetransmissioniscommonlyusedQuestion184.MPUconnectionstothedatabusareconsidered______________

______________

Options:a)inputb)outputc)bothinputsandoutputsd)noneofthese CorrectAnswer:bothinputsandoutputsQuestion185.In8085MPU,theflagflipflopshave______________statusindicators.

8085?Options:a)5

b)2

c)4

d)1CorrectAnswer:5Question186.The8085isanenhancementofthepopularINTEL____________microprocessor.

8085_______________Options:a)8080

b)8155

c)8355

d)8086CorrectAnswer:8080Question187.WhichofthefollowingisaDMAcontroller?

DMA?Options:a)Intel8257

b)Intel8259

c)Intel8255

d)Intel8253CorrectAnswer:Intel8257Question188.Theaddressbusof8085MPUisagroupof

8085MPU _______Options:a)8lines8b)12lines12c)16lines16d)32lines32CorrectAnswer:16lines16Question189.AnI/Oprocessorcontroltheflowofinformationbetween

I/O?Options:a)cachememoryandI/OdevicesI/Ob)mainmemoryandI/OdevicesI/Oc)twoI/OdevicesI/Od)cacheandmainmemoriesCorrectAnswer:mainmemoryandI/OdevicesI/O

Question190.WhichofthefollowingservicesuseTCP?1.DHCP2.SMTP3.HTTP4.TFTP5.FTP

1.2.3.4.5.Options:a)1and212b)2,3and52,35c)1,2and41,24d)1,3and41,34CorrectAnswer:2,3and52,35Question191.Theresultantbinaryofthedecimalproblem49+1=is__

49+1_________Options:a)00110101

b)01010101

c)00110010

d)00110001CorrectAnswer:00110010Question192.InhighlevelprogramminglanguagePascal,eachprogramstatementendswiththe

PASCAL,:Options:a)commab)semicolonc)doublequotationmarksd)singlequotationmarksCorrectAnswer:semicolonQuestion193.Thecontentsofinformationarestoredin

Options:a)memorydataregisterb)memoryaddressregisterr c)memoryaccessregisterd)memoryarithmeticregisterCorrectAnswer:memorydataregisterQuestion194.DMAchannelfacilitatesdatatomoveintoandoutofthesystem____________

____________Options:a)onfirstcomefirstservebasisb)withoutprograminterventionc)withoutsubroutined)withequaltimedelay

CorrectAnswer:withoutprograminterventionQuestion195.Inacompiler,themodulethatcheckseverycharacterofthesourcetextiscalled______

,______________Options:a)thecodegeneratorb)thecodeoptimizerc)thelexicalanalyzerd)syntaxanalyzerCorrectAnswer:thelexicalanalyzerQuestion196.Dynamicmemorycellsareconstructedusing___________

______________Options:a)transistors b)MOSFETsMOSFETc)flipflopsd)FETsFETsCorrectAnswer:MOSFETsMOSFETQuestion197.Aprogramthatcanbeusedrepeatedlythroughoutamajorprogramiscalled_

_______________Options:a)subroutineb)loopc)programmoduled)tempelateCorrectAnswer:subroutineQuestion198.Atypeofmemoryinwhichthestoreddataisnotlostwhenthepoweristurnedoffiscalled

__________Options:a)megneticmemoryb)nonvolatailmemoryc)volatilememoryd)semiconductormemoryCorrectAnswer:nonvolatailmemoryQuestion199.ADAis

ADA:Options:a)machinecodeb)assemblylanguagec)highlevellanuguaged)Noneofthese CorrectAnswer:highlevellanuguage

Question200.ExtensioninDOSfilescanhaveamaximumof_______characters

DOS_________Options:a)4

b)8

c)2

d)3CorrectAnswer:3