EXAMSTARTTIME:15:00:00EXAMDURAITON:03:00:00

TOTALNOOFQUESTIONS:200

EXAMDATE:28092016EXAMNAME:BSNLOnlineExamination2016TOTALMARKS:200

Question1.PicktheAntonymfortheword"NASTY"Options:a)sadb)cleanc)filthyd)challengingCorrectAnswer:cleanQuestion2.ApersonwhoisanInchargeofaMuseumoranArtGalleryOptions:a)Invigilatorb)Anarchistc)Curatord)SuperintendentCorrectAnswer:CuratorQuestion3.Markthemostappropriatesubstitutetofilltheblanksinthegivendescription:Hewascaughtbytheteacherforcheating________________theexam.Options:a)Duringb)Afterc)Neard)OutsideCorrectAnswer:DuringQuestion4.Changethefollowingsentencesintopassivevoice:Darjeelinggrowstea.Options:a)LettheteabegrowninDarjeeling.b)TeaisgrowninDarjeeling.c)TeagrowsinDarjeeling.d)TeaisbeinggrowninDarjeeling.CorrectAnswer:TeaisgrowninDarjeeling.Question5.Thefirsttwowordsarerelatedinaparticularmanner.Selectthewordfromgivenchoices,whichisrelatedtothirdoneinthesamemanner:PAIN:SEDATIVE::griefOptions:a)consolationb)achec)tranced)stimulantCorrectAnswer:consolationQuestion6.ChoosethewordwhichistheexactOPPOSITEofthegivenwords:PRECARIOUSOptions:a)menacingb)threateningc)securedd)unsafeCorrectAnswer:securedQuestion7.Choosetheappropriatewordintheblankfromthegivenalternatives."Oneshouldnotbeindiffrent__________thesufferingofothersOptions:a)aboutb)toc)ofd)atCorrectAnswer:toQuestion8.Choosethecorrectpluralofthefollowingword:Negro

Options:a)Negriesb)Niggerc)Negrosd)NegroesCorrectAnswer:NegroesQuestion9.Choosetheword/groupofwordswhichissimilarinmeaningtotheword.EulogizeOptions:a)Harmb)Praisec)Extractd)PenaliseCorrectAnswer:PraiseQuestion10.Choosetheappropriateoptionstocompletethesentences:____________drawingsisdifferent.Options:a)Eachoneoftheb)Veryfewc)Everyd)AllofCorrectAnswer:EachoneoftheQuestion11.WhichBanklaunchedIndia'sfirstMUDRAcardunderPradhanMantriMudraYojana

?Options:a)CorporationBankb)StateBankofIndiac)CentralBankd)ReserveBankofIndiaCorrectAnswer:CorporationBankQuestion12.Onwhichdate,TelanganastateFoundationDayisobserved?

?Options:a)30May30b)31May31c)2Jun2d)4Jun4CorrectAnswer:2Jun2Question13.UnionTelecomMinisterRaviShankarPrasadannouncedthatapostalstampwouldbereleasedinhonouroferstwhileIndianemperor

?Options:a)Akbarb)Ashokac)BahadurShahIIIId)ShahJahanCorrectAnswer:AshokaQuestion14.Whichofthefollowingisaprimarycolour?

Options:a)pinkb)blackc)redd)whiteCorrectAnswer:redQuestion15.Galvanizedironisironcoatedwith_______

Options:a)zincb)goldc)silverd)copperCorrectAnswer:zincQuestion16.Whosesignatureisfoundontheonerupeecurrencynotes?

?Options:a)ThePresidentb)TheFinanceMinisterc)TheGovernorofReserveBankd)TheFinanceSecretaryCorrectAnswer:TheFinanceSecretaryQuestion17.OnwhichofthefollowingplantsdidGregorMendalperformhisclassicalexperiment?

?Options:a)Maizeb)Peac)Wheatd)GramCorrectAnswer:PeaQuestion18.WhichorganofthebodyisaffectedbyLeucoderma?

Options:a)Heartb)Kidneyc)Lungsd)SkinCorrectAnswer:SkinQuestion19.WhatisthepresentLoksabhaConstituencyofSushmaSwaraj?

?Options:a)Ambalab)Delhic)Bellryd)VidishaCorrectAnswer:Vidisha

Question20.TheEuropeanUnionadoptedwhichofthefollowingascommoncurrency

Options:a)Dollarb)Pesoc)Eurod)YenCorrectAnswer:EuroQuestion21.Therealpartofsin(x+iy)is

sin(x+iy)Options:a)sinxcosy

b)sinxcoshx

c)cosxsinhy

d)cosxsinyCorrectAnswer:sinxcoshxQuestion22.Twoormorevectorsaresaidtobeiftheyareparalleltothesameline,irrespectiveoftheirmagnitudesanddirections.

_____:Options:a)EQUALVECTORSb)COINITIALVECTORSc)COLLINEARVECTORSd)NoneoftheseCorrectAnswer:COLLINEARVECTORSQuestion23.

Options:a)

b)

c)

d)

CorrectAnswer:

Question24.Atwhatpointoncurvey=(cosx1)in{o,2}isthetengntclosetoxaxis

{o,2}y=(cosx1)xOptions:a)(/2,1)(/2,1)b)(,2)(,2)c)(2/3,3/2)(2/3,3/2)d)NoneoftheseCorrectAnswer:(,2)(,2)Question25.Intheequationofstarightliney=mx+c,mis

y=mx+cm:Options:a)Gradientb)Interceptc)Variabled)NoneoftheseCorrectAnswer:GradientQuestion26.Theareaunderacurvebetweentwopointscanbefoundbydoinga______________betweenthetwopoints.

___________Options:a)Integrationb)definiteintegrationc)differentiationd)LHospitalRuleCorrectAnswer:definiteintegrationQuestion27.IftheorderofmatrixAismxp.AndtheorderofBispxn.ThentheorderofABis

AmxpBpxnAB:Options:a)nxp

b)nxm

c)mxp

d)mxnCorrectAnswer:mxnQuestion28.Ifx=rcos,y=rsinthenz=x+iy

Options:a)r(cose+sin)

b)r(cose+isin)

c)r(cosesin)

d)r(cosesin)CorrectAnswer:r(cose+isin)Question29.Findthederivativeofxn

xn

Options:a)nxn1

b)nxn+1

c)nxn1

d)nxn2

CorrectAnswer:nxn1

Question30.

Options:a)log(secxtanx)+logcosx+c

b)log(secx+tanx)+logcosx+c

c)log(secx+tan2x)+logcosx+c

d)noneCorrectAnswer:log(secx+tanx)+logcosx+cQuestion31.Thedistancebetweentheparallellines4x+6y+4=0and4x+6y+5=0is

4x+6y+4=0and4x+6y+5=0.Options:a)1/52

b)52

c)1/2

d)1CorrectAnswer:1/52Question32.

Options:a)

b)ax+c

c)Loga+c

d)

CorrectAnswer:

Question33.Thetwotypesoferrorsthatarerelatedtodifferentialsare:

Options:a)Human,Absolute.,b)Absolute,Relative.,c)Relative,Controllable.,d)Controllable,Natural.,CorrectAnswer:Absolute,Relative.,

Question34.The2ndderivativeofafunctionatpointPis0,andconcavityispositiveforvaluestotherightofP.WhatmusttheconcavitybetotheleftofPforPtobeaninflectionpoint?

P0,PPP?Options:a)Theconcavitymustalsobepositive.b)Theconcavitymustbenegative.c)Theconcavitymustbeneutral(0).(0)d)Theconcavitymustbeimaginary.CorrectAnswer:Theconcavitymustbenegative.Question35.Ithasbeendeterminedthatg(p)hasamaximumatp=47.6.Whatcanbesaidofthefunction'sconcavityatthatpoint?

p=47.6g(p)Options:a)g''(p)=0b)g''(p)>0c)g''(p)

Options:a)Itwillbehalvedb)Itwillbedoubledc)Itwillremainsamed)ItwillbecomeonefourthCorrectAnswer:ItwillbehalvedQuestion40.Laserlightis______emission.

______Options:a)Coherentb)Stimulatedc)Spontaneousd)CoherentandstimulatedCorrectAnswer:CoherentandstimulatedQuestion41.Isotopesareatomsthathave

Options:a)Sameatomicnumberbutdifferentatomicmassb)Sameatomicmassbutdifferentatomicnumberc)SameNumberofProtonsbutdifferentnumberofelectronsd)NoneCorrectAnswer:SameatomicnumberbutdifferentatomicmassQuestion42.Isotopesareatomsthathave

Options:a)Sameatomicnumberbutdifferentatomicmassb)Sameatomicmassbutdifferentatomicnumberc)SameNumberofProtonsbutdifferentnumberofelectronsd)NoneCorrectAnswer:SameatomicnumberbutdifferentatomicmassQuestion43.Soundcannottravelthrough

Options:a)Gasesb)Vacuumc)solidsd)LiquidsCorrectAnswer:VacuumQuestion44.candelaistheunitof

:

Options:a)Magneticfluxb)Intensityofelectricfieldc)Luminousintensityd)ChargeCorrectAnswer:LuminousintensityQuestion45.Magneticinductionandmagneticfluxdifferinthedimensionsof

___________Options:a)Timeb)Massc)Electriccurrentd)LengthCorrectAnswer:ElectriccurrentQuestion46.Sumoftheseisunity

Options:a)Reflectivityb)Reflectivity+Refractivity+c)Reflectivity+Refractivity+Transmitivity++d)AnyCorrectAnswer:Reflectivity+Refractivity+Transmitivity++Question47.Refractiveindexofmaterialsisapproximatelyequaltosquarerootof

_____________Options:a)electricalpermittivityb)magneticpermeabilityc)electricalpermittivityxmagneticpermeabilityxd)NoneCorrectAnswer:electricalpermittivityQuestion48.Quantitywhichdoesnotchangesduringrefractionis

:Options:a)directionb)speedc)frequencyd)wavelengthCorrectAnswer:frequencyQuestion49.Speedoflightinwateris

Options:a)3.0x108

b)2.3x108

c)2.0x108

d)1.2x108

CorrectAnswer:2.3x108

Question50.Smallestparticleofanelementwhichcantakepartinanychemicalchange.

:Options:a)nucleusb)atomc)protond)neutronCorrectAnswer:atomQuestion51.AnElectricfielddeflectsbeamsof

_____________Options:a)protonsb)electronsc)neutronsd)bothprotonsandelectronsCorrectAnswer:bothprotonsandelectronsQuestion52.Potentialenergysourceforinducingfusionreactionis

_________Options:a)xrayXb)laserc)ultravioletd)microwaveCorrectAnswer:laserQuestion53.Duringxrayformation,ifvoltageisincreasedthen

x,Options:a)minwavelengthdecreasesb)minwavelengthincreasesc)intensitydecreasesd)intensityincreasesCorrectAnswer:minwavelengthdecreasesQuestion54.Foranelectrontobeconfinedtoanucleusitsspeedrelativetospeedoflightwouldhavetobe

,__________

Options:a)equalb)lessc)greaterd)equaltoinfinityCorrectAnswer:greaterQuestion55.Inhistoryofearth,morecoalhasbeenusedsince

________Options:a)1930

b)1935

c)1940

d)1945CorrectAnswer:1945Question56.Iftwovectorshavesamemagnitudeandareparalleltoeachother,thentheyaresaidtobe

:Options:a)sameb)differentc)negatived)equalCorrectAnswer:equalQuestion57.Theabilityofamaterialtoremainmagnetizedafterremovalofthemagnetizingforceisknownas

?Options:a)permeabilityb)reluctancec)hysteresisd)retentivityCorrectAnswer:retentivityQuestion58.Valueofconstantk(m/F)inColoumb'slawhasvalueof

k(m/F):Options:a)9X104

b)9X105

c)9X106

d)9x109

CorrectAnswer:9x109

Question59.LikearesonantRLCcircuit,aparallelresonantcircuitalso

RLC,:Options:a)hasapowerfactorofunittyb)offersminimumimpedancec)drawsmaximumcurrentd)magnifiescurrent

CorrectAnswer:hasapowerfactorofunittyQuestion60.Theresistanceofa100W,200Vlampis

100W,200V:Options:a)100ohm

b)400ohm

c)1600ohm

d)200ohmCorrectAnswer:400ohmQuestion61.Aconstantcurrentsourcesuppliesaelectriccurrentof200mAtoaloadof2k.Whentheloadchangedto100,theloadcurrentwillbe

2k200mA100,:Options:a)9mA

b)4A

c)4mA

d)400mACorrectAnswer:4AQuestion62.Twoincandescentlightbulbsof40Wand60Wratingareconnectedinseriesacrossthemains.Then

40W60W,:Options:a)thebulbstogetherconsume100W100Wb)thebulbstogetherconsume50W50Wc)the60Wbulbglowsbrighter60Wd)the40bulbglowsbrighter40WCorrectAnswer:the40bulbglowsbrighter40WQuestion63.Themagneticfluxdensityinanaircooledcoilsis102wb/m2.Withacastironofrelativepermeability100inserted,thefluxdensitywillbecome

102wb/m2100Options:a)104wb/m2

b)10+4wb/m2

c)102wb/m2

d)1wb/m2

CorrectAnswer:1wb/m2

Question64.Ifanelectronentersauniformmagneticfieldobliquely,thepathofanelectronwillbecome

,Options:a)anellipseb)acirclec)aspirald)NoneoftheseCorrectAnswer:aspiralQuestion65.Ametallicringisattachedtothewallofaroom.Whenthenorthpoleofamagnetisbroughtnearthering,theinducedcurrentintheringis

Options:a)anticlockwiseb)clockwisec)zerod)infiniteCorrectAnswer:anticlockwiseQuestion66.DifferentialFormofGauss'sTheoremcanberepresentedas

Options:a)

b)

c)Both

&

d)NoneofTheseCorrectAnswer:

Question67.Ohm'sLawisapplicableto

(Ohm'slaw)Options:a)ResistiveCircuitsb)ReactiveCircuitsc)BothResistiveCircuits&ReactiveCircuitsd)NoneoftheseCorrectAnswer:BothResistiveCircuits&ReactiveCircuitsQuestion68.Jule/Coloumbistheunitof

/?Options:a)electricfieldpotentialb)potentialc)charged)noneoftheseCorrectAnswer:chargeQuestion69.Kirchoff'scurrentlawatajunctiondealswith

:Options:a)conservationofenergyb)conservationofmomentumc)conservationofangularmomentumd)conservationofcharge

CorrectAnswer:conservationofchargeQuestion70.Thereni'stheoremis___________formofanequivalentcircuit

_________Options:a)voltageb)currentc)bothvoltageandcurrentd)NoneoftheseCorrectAnswer:currentQuestion71.Acapacitoropposes

:Options:a)chargeincurrentb)chargeinvoltagec)bothchargeincurrentandvoltaged)noneCorrectAnswer:bothchargeincurrentandvoltageQuestion72.Themainadvantageofatemporarymagnetisthatwecan

Options:a)changethemagneticfluxb)useanymagneticmaterialc)decreaseinhysteresislossd)noneCorrectAnswer:changethemagneticfluxQuestion73.TheemfinducedinacoilofNturnsisgivenby

NemfOptions:a)d/dt

b)Nd/dt

c)Nd/dt

d)Ndt/dCorrectAnswer:Nd/dtQuestion74.Inastepuptransformer,theturn'sratiois1:2.ALeclancgecell(emf1.5V)isconnectedacrosstheprimary.Thevoltageacrossthesecondaryis

1:2.(emf1.5V)..Options:a)3.0V

b)0.75V

c)0V

d)1.5VCorrectAnswer:0V

Question75.Inthecircuitshownbelow,theopampsareideal.ThenVoutinVoltsis

Vout()

Options:a)4

b)8

c)6

d)10CorrectAnswer:8Question76.IntheMOSFETamplifierofthefigure,thesignaloutputV1andV2obeytherelationship

MOSFETfiV1V2

Options:a)

b)

c)V1=2V2

d)V1=2V2CorrectAnswer:V1=2V2Question77.ThecapacitorofaCEampliferappearstobe

CEfi:Options:a)Opentoacb)Shortedtodcc)Opentosupplyvoltaged)ShortedtoacCorrectAnswer:ShortedtoacQuestion78.Atroomtemperature,thecurrentinanintrinsicsemiconductorisdueto

,_______

Options:a)holesb)electronsc)holesandelectronsd)ionsCorrectAnswer:holesandelectronsQuestion79.IfThyristorisreversebiased,numberofblockedPNJunctionsare

,PN:Options:a)1

b)2

c)3

d)4CorrectAnswer:2Question80.AUJTexhibitsnegativeresistancecharacteristicswhen

UJT:Options:a)Currentislessthanvalleycurrentb)CurrentislessthanPeakcurrentc)Currentismorethanpeakcurrentbutlessthanvalleycurrentd)NoneoftheseCorrectAnswer:CurrentismorethanpeakcurrentbutlessthanvalleycurrentQuestion81.Thesmallestofthefourhparameteroftransistoris

Options:a)hi

b)hr

c)ho

d)hfCorrectAnswer:hoQuestion82.

Options:a)VoltageSourceb)Capacitorc)CurrentSourced)ResistanceCorrectAnswer:CurrentSourceQuestion83.BaseofBipolarJunctionTransistoris

Options:a)LargerthanEmitterb)LargerthanCollectorc)SmallerthanEmitterandCollectord)LargerthanemitterbutsmallerthanCollectorCorrectAnswer:SmallerthanEmitterandCollectorQuestion84.LEDgivesoffvisiblelightfrom:

LED:Options:a)regionoffdepletionlayerb)pregionalonePc)nregionalonend)bothpandnregionspnCorrectAnswer:regionoffdepletionlayerQuestion85.InacommonbasetransistorcircuitIC=0.97A,IB=30Athecircuitgainis

IC=0.97A,IB=30A,Options:a)0.97

b)0.097

c)95

d)500CorrectAnswer:500Question86.TheloopgainofaSchmittTriggerisalways

Options:a)0

b)Lessthan11c)Greaterthan11d)NoneCorrectAnswer:Greaterthan11Question87.ThecapacitiveeffectsofareversebiasedPNJunctionaredescribedby

.Options:a)Storagecapacitanceb)Diffusioncapacitancec)Junctioncapacitanced)AlloftheseCorrectAnswer:JunctioncapacitanceQuestion88.InInsulators,theenergygapbetweenvalenceandconductionbandsisoverlapped

,___________Options:a)verysmallb)verylargec)overlappedd)1eV

CorrectAnswer:verylargeQuestion89.Afieldeffecttransistor(FET)

(FET)Options:a)hasthreepnjunctionpnb)usesaforwardbiasedjunctionc)dependsonthevariationofareversevoltageforitsoperationd)dependsonthevariationofmagneticfieldforitsoperationCorrectAnswer:dependsonthevariationofareversevoltageforitsoperationQuestion90.Inafeedbackamplifier,desensitivityDequals

fi,D___________Options:a)A

b)1A

c)1+A

d)1/1+ACorrectAnswer:1+AQuestion91.Thecostliestcouplingis

:Options:a)RCcouplingRCb)Directcouplingc)Impedancecouplingd)TransformercouplingCorrectAnswer:TransformercouplingQuestion92.AZenerdiodeisusedas

__________Options:a)anamplifierfib)avoltageregulatorc)arectifierd)amultivibratorCorrectAnswer:avoltageregulatorQuestion93.ThenoisemarginofaTTLgateisabout

(noisemargin)?Options:a)0.2V

b)0.4V

c)0.6V

d)0.8VCorrectAnswer:0.4VQuestion94.Bistablemultivibratorisalsoknownas

Options:a)Binaryb)Flipflopc)EcelessJordanCircuitd)AlloftheseCorrectAnswer:AlloftheseQuestion95.TheminimumnumberoftwoinputNANDGatesrequiredtoimplementtwoinputNORGateis

NORNAND:Options:a)2

b)3

c)4

d)5CorrectAnswer:4Question96.HowisaJKflipflopmadetotoggle?

JK?Options:a)J=1,K=1

b)J=0,K=1

c)J=1,K=0

d)J=0,K=0CorrectAnswer:J=1,K=1Question97.TheminimumnumberoftwoinputNOR&NANDgatesrequiredtoimplementa"Bufferfunctionis_____

""NORNAND?Options:a)2NORGates2NORb)2NANDGates2NANDc)1NAND&1NORGate1NAND1NORd)AlloftheseCorrectAnswer:AlloftheseQuestion98.AShiftregisterisoperating/connectedwith100KHzclock.Thetimetakentofeedthe2Bytesofdataseriallyintoitis____

100KHz2:Options:a)2sec

b)80sec

c)160sec

d)16secCorrectAnswer:160secQuestion99.A12MHzclockfrequencyisappliedtoacascadedcountercontainingamodulus5counter,amodulus8counter,andtwomodulus10counters.Thelowestoutputfrequencypossibleis________

5,81012MHz_____Options:a)30kHz

b)3kHz

c)363.6KHz

d)NoneoftheseCorrectAnswer:3kHz

Question100.A4bitR/2Rdigitaltoanalog(DAC)converterhasareferenceof5volts.Whatistheanalogoutputfortheinputcode1010.

4R/2R(DAC)51010:Options:a)0.3125V

b)3.125V

c)1.5625V

d)3.75VCorrectAnswer:3.125VQuestion101.Signalsfrom4channelsourcesaretobetransmittedthroughasingletransmissionchannel.Thecircuitthatcanbeusedis

4:Options:a)codeconverterb)decoderc)multiplexerfid)alloftheseCorrectAnswer:multiplexerfiQuestion102.Indifferentialamplifier,CMRRcanbeimprovedbyusinganincreased

,CMRR,Options:a)emitterresistanceb)collectorresistancec)powersupplyvoltagesd)sourceresistanceCorrectAnswer:emitterresistanceQuestion103.Quantizationerrorocurresin__________Systems

(quantizationerror)___________Options:a)AnalogtoDigitalConversionb)DigitaltoAnalogConversionc)BothAnalogtoDigitalConversion&DigitaltoAnalogConversiond)NoneoftheseCorrectAnswer:AnalogtoDigitalConversionQuestion104.Aflipflopcanstore

Options:a)1bitofdata1b)2bitsofdata2c)3bitsofdata3d)4bitsofdata4CorrectAnswer:4bitsofdata4Question105.Whichofthefollowingmemoriesrequiresrefreshingcycle?

Options:a)RAM

b)ROM

c)dynamicMOSMOSd)AlloftheseCorrectAnswer:dynamicMOSMOSQuestion106.Unitdistancecodesarealsocalledas

Options:a)CyclicCodesb)NonCycliccodesc)Errorcodesd)AlloftheseCorrectAnswer:CyclicCodesQuestion107.ThenumberofNANDGatesrequiredtoimplementExORandExNORgatesare______respectively

:.Options:a)2and323b)3and232c)4and545d)4and343CorrectAnswer:4and545Question108.Thedevicewhichselectsoneoftheseveralinputsandtransmitsittoasingleoutputis

:Options:a)decoderb)multiplexerfic)demultiplexerfid)counterCorrectAnswer:multiplexerfiQuestion109.Whichoutofthefollowinglogicfamiliesismostexpensive?

?Options:a)RTL

b)TTL

c)DTL

d)ECLCorrectAnswer:RTLQuestion110.SwitchingspeedofECLlogicisveryhighbecause

ECL

Options:a)itusespositivelogicb)itusesnegativelogicc)ituseshighspeedtransistorsd)itstransistorsremainunsaturatedCorrectAnswer:itstransistorsremainunsaturatedQuestion111.Astheloadisincreased,thespeedofadcshuntmotor

(),Options:a)Increasesproportionatelyb)Remainsconstantc)Increasesslightlyd)ReducesslightlyCorrectAnswer:ReducesslightlyQuestion112.Atrelativelylightloads,transformerefficiencyislowbecause

()Options:a)Secondaryoutputislowb)Transformerlossesarehighc)Fixedlossishighinproportiontotheoutputd)CulossissmallCorrectAnswer:FixedlossishighinproportiontotheoutputQuestion113.Thefunctionofacycloconverteristoconvert

_____________Options:a)ACpowerintoDCpowerb)Directcurrenttoalternatingcurrentc)Highacfrequencydirectlytolowacfrequencyd)Asinewaveintoarectangularwavesine(rectangular)CorrectAnswer:HighacfrequencydirectlytolowacfrequencyQuestion114.Inpulsewidthmodulationofchopper

Options:a)TiskeptconstantandTonisvariedTTonb)ToniskeptconstantTisvariedTonTc)bothTandTonarevariedTTond)eitherTorTonisvariedTTonCorrectAnswer:TiskeptconstantandTonisvariedTTonQuestion115.Anelectronhavingmass'm'kgandcharge'e'coulombtravelsfromrestthroughapotentialdifferenceof'V'volts.Ithasakineticenergyof?

'm''e','V':

Options:a)mVjoulesb)meVjoulesc)eVjoulesd)m/ejoulesCorrectAnswer:eVjoulesQuestion116.Themaximumfluxdensityinthecoreofa250/3000volts,50Hzsinglephasetransformeris1.2Wb/m2.Ifthee.m.fperturnis8volt.Thenwhatisthevalueofprimaryandsecondaryturns

250/300050Hz1.2Wb/m28Options:a)208&32

b)375&32

c)208&375

d)32&375CorrectAnswer:32&375Question117.Insynchronousmotor,damperwindingisprovidedinorderto

__________Options:a)stabilizerotormotionb)suppressrotoroscillationc)developnecessarystartingtorqued)bothstabilizerotormotionanddevelopnecessarystartingtorqueCorrectAnswer:bothstabilizerotormotionanddevelopnecessarystartingtorqueQuestion118.CircuitturnofftimeofanSCRisdefinedasthetime

SCR______________Options:a)takenbytheSCRturntobeoffSCRb)requiredfortheSCRcurrenttobecomezeroSCRc)forwhichtheSCRisreversebiasedbythecommutationcircuitSCRd)forwhichtheSCRisreversebiasedtoreduceitscurrentbelowtheholdingcurrentSCRCorrectAnswer:forwhichtheSCRisreversebiasedbythecommutationcircuitSCRQuestion119.Capacitorswithsoliddielectricmaterialsareusedbecause

Options:a)theygiveareduceddielectriclossb)theyaresmallerinsizeascomparedwithaircapacitorsc)theyhavealowercapacitancevalueascomparedwithaircapacitorsd)noneoftheseCorrectAnswer:theyaresmallerinsizeascomparedwithaircapacitorsQuestion120.TheoutputofthreePhasesimplehalfwaverectifierisalsocalledas

()Options:a)Pulsenumbersixb)Pulsenumberthreec)Pulsenumberfourd)PulsenumbertwoCorrectAnswer:Pulsenumberthree

Question121.OneTR(UnitofRefrigeration)isequalto

TR()Options:a)3.157KW

b)5.317KW

c)3.715KW

d)3.517KWCorrectAnswer:3.517KWQuestion122.Forextrahighvoltagelineswhichcircuitbreakerispreferred?

?Options:a)SF6gascircuitbreaker

b)Bulkoilcircuitbreakerc)Vacuumcircuitbreakerd)MinimumoilcircuitbreakerCorrectAnswer:SF6gascircuitbreakerQuestion123.Insinglephasefullconverter,forloadcurrentIripplefree,averagethyristorcurrentis

Options:a)1/4I

b)1/2I

c)3/4I

d)ICorrectAnswer:1/2IQuestion124.Acarrierissimultaneouslyamplitudemodulatedbytwosinewaveswithmodulationindicesof0.4and0.3.Theresultantmodulationindexwillbe:

fi0.4and0.3Options:a)0.1

b)0.5

c)0.7

d)0.35CorrectAnswer:0.5Question125.Indicatethewrongstatementregardingmodulation

Options:a)Ensurethatintellegenceistransmittedoverlongdistanceb)Separatedifferingtransmissionc)Reducethebandwidthusedd)AllowstheuseofpracticalantennasCorrectAnswer:ReducethebandwidthusedQuestion126.WhichoneofthefollowingmodulationtechniqueshasgotmaximumSNR

SNR?Options:a)AMSSB

b)AMDSB

c)FM

d)AMSCCorrectAnswer:FM

Question127.ThenumberofsymbolsinQuadraturephaseshiftkeyingis

Options:a)Twob)Fourc)Eightd)SixteenCorrectAnswer:FourQuestion128.Duringamplitudemodulation,thephaseangleofthemodulationvoltagechanges_______

__________Options:a)45degree

b)180degree

c)90degree

d)zerodegreeCorrectAnswer:zerodegreeQuestion129.Themodulationindexofaphasemodulatedwaveis__________

____________Options:a)sameasinfrequencymodulationb)proportionaltothemodulatingfrequencyc)proprortionaltothereciprocalofmodulatingfrequencyd)proportionaltothephaseofmodulatingsignalCorrectAnswer:sameasinfrequencymodulationQuestion130.Whichofthefollowingcircuitstransmitstwomessagessimultaneouslyinonedirection?

:Options:a)Duplexfib)Simplexfic)Quadruplexfid)DiplexfiCorrectAnswer:DiplexfiQuestion131.Thesignalscontaminatedwithlargenoisearedemodulatedby______________

_______________Options:a)envelopdetectorb)synchronousdetectorc)envelopdetectorfollowedbylowpassfilterd)envelopdetectorfollowedbyhighpassfilterCorrectAnswer:synchronousdetectorQuestion132.Thebeatfrequencybetween1500KHzand1955KHzwillbe______________

1500KHz1955KHz_________

Options:a)455KHz

b)100KHz

c)150KHz

d)195.5KHzCorrectAnswer:455KHzQuestion133.Atrimmerisbasically,a______________

:______________Options:a)insulatorb)inductorc)capacitord)variableresistorCorrectAnswer:capacitorQuestion134.ThequalityfactorQofacavityresonatoratagivenfrequencyforhighermodeorders_____________

______________Options:a)decreasesb)remainsunaffectedc)increasesd)noneoftheseCorrectAnswer:increasesQuestion135.Thetotalinformationtransmittedisproportionalto___________

______________Options:a)bandwidthtimeproductb)channelcapacityc)bandwidthcapacityproductd)noneoftheseCorrectAnswer:bandwidthtimeproductQuestion136.ISDNfacilityisavailableinfollowingswitchingtechnologies'

ISDN____________Options:a)E10B

b)Crossbar'c)Strowgerd)OCBCorrectAnswer:StrowgerQuestion137.Whichoneofthefollowingstatementisnotcorrectforatransmissionline?A.AttenuationconstantofalosslesslineisalwayszeroB.CharacteristicimpedanceofbothlosslessanddistortionlesslineisrealC.Attenuationconstantofadistortionlesslineisalwayszero.

A.B.C.

Options:a)A

b)B

c)C

d)BothAandC.ACCorrectAnswer:CQuestion138.Inelectricalcircuitsstatesthatforaresponse(voltageorcurrent)inanybranchofabilaterallinearcircuithavingmorethanoneindependentsourceequalsthealgebraicsumoftheresponsescausedbyeachindependentsourceactingalone

()Options:a)NortonTheormb)ThevninTheromc)SuperpositionTheormd)DualityTheormCorrectAnswer:SuperpositionTheormQuestion139.Inacertainparallelresonantbandpassfilter,theresonantfrequencyis14kHz.Ifthebandwidthis4kHz,thelowerfrequency

,14KHz4KHz:Options:a)is12kHz

b)is7kHz

c)is10kHz

d)cannotbedeterminedCorrectAnswer:is12kHzQuestion140.Atacertainfrequency,theoutputvoltageofafilteris6Vandtheinputis12V.Thevoltageratioindecibelsis

,6V12V:Options:a)12.04dB

b)12.04dB

c)6.02dB

d)6.02dBCorrectAnswer:6.02dBQuestion141.A26dBmoutputinwattsequalsto

26dB:Options:a)2.4W

b)0.26W

c)0.156W

d)0.4WCorrectAnswer:0.4WQuestion142.ThelengthofPhysicalAddress(MAC)inIPV6is

IPV6(MAC)Options:a)SameasthatinIPV4IPV4b)MorethanthatinIPV4IPV4c)LessthanthatinIPV4IPV4d)Noneofthese

CorrectAnswer:SameasthatinIPV4IPV4Question143.Capacitance,VoltageandChargearerelatedas:

(),Options:a)Q=CV

b)C=QV

c)V=QC

d)NoneoftheseCorrectAnswer:Q=CVQuestion144.Anetworkhavingabatterysourceinoneofitsarmsistermedas______________

,______________Options:a)Linearnetworkb)bilateralnetworkc)activenetworkd)passivenetworkCorrectAnswer:activenetworkQuestion145.AmderivedLPFhasfposition______________

mf___________Options:a)abovefcfcb)belowfcfcc)atzerod)atinfinityCorrectAnswer:abovefcfcQuestion146.Conditionforminimumdistortionatallfrequenciesforatransmissionlineis

Options:a)LR=CG

b)LC=GR

c)LG=CR

d)NoneCorrectAnswer:LC=GRQuestion147.Iffour80microfaradcapacitorsareconnectedinseries,thenetcapacitanceis

80,Options:a)20microfarads20b)40microfarads40c)160microfarads160d)320microfarads320CorrectAnswer:40microfarads40Question148.TheKirchoffslawsfailin

_______

Options:a)lumpedparameterscircuitb)distributedparametercircuitc)nonlinearcircuitsd)linearcircuitsCorrectAnswer:nonlinearcircuitsQuestion149.Acoilhasaninductanceof1henryifacurrentchangingattherateof1amp/sec

11/:Options:a)induces1voltinanothercoil1b)causesabackemfof1volt1emfc)causesanaidingemfof1volt1emfd)causestransformeraction.CorrectAnswer:causesabackemfof1volt1emfQuestion150.Thecurrentthroughthecoilofanelectromagnetisdoubled.Themagneticfieldaroundthecoil

Options:a)ishalvedb)isdoubledc)becomesfourtimesd)remainsthesameCorrectAnswer:isdoubledQuestion151.Amovingcoilpermanentmagnetinstrumentcanbeusedas_____byusingalowresistanceshunt

_____________________Options:a)voltmetersb)ammetersc)ohmmetersandresistancebridgesd)AlloftheseCorrectAnswer:ammetersQuestion152.Standardresistorismadefrom

:Options:a)platinumb)manganinc)silverd)nichromeCorrectAnswer:manganinQuestion153.Whichofthefollowingvoltmeterswouldyouuseformeasuringvoltageacross20kresistance

20k?

Options:a)Voltmeterhavingaresistanceof5k5kb)Voltmeterhavingasensitivityof1kW/V1kW/Vc)Voltmeterhavingsensitivityof10kW/V10kW/Vd)NoneoftheseCorrectAnswer:Voltmeterhavingsensitivityof10kW/V10kW/VQuestion154.Inameasurementsystems,whichofthefollowingstaticcharacteristicaredesirable.

,?Options:a)accuracyb)sensitivityc)reproducibilityd)AlloftheseCorrectAnswer:AlloftheseQuestion155.PSKis______________typeofmodulation

PSK_______________Options:a)Analogb)Digitalc)Amplituded)Angle(angle)CorrectAnswer:DigitalQuestion156.TheSpeedoftheModemscouldbeincreasedfrom9.6KbpstoHigherby

9.6Options:a)IncreasingtheCompressionrate(compression)b)UsingHighClassdecodingc)UseofParitybitsforerrorcheckd)SimultaneousTransmissionofSignalsCorrectAnswer:UseofParitybitsforerrorcheckQuestion157.Theminimumstandingwavesoccurwherereflectioncoefficientis_________

______________Options:a)zerob)1

c)1

d)noneoftheseCorrectAnswer:1Question158.Attenuatorhave_____

_________

Options:a)attenuationconstantb)phaseconstantc)gainandphaseconstantd)attenuationandphaseconstantCorrectAnswer:attenuationconstantQuestion159.Thequalityfactor'Q'ofaninductancecoilisimproved

Q:Options:a)byreducingcoilresistancetominimumb)byincreasingcoilinductancec)byincreasingcoilresistancetothemaximumd)byreducingcoilinductance.CorrectAnswer:byincreasingcoilresistancetothemaximumQuestion160.Movingcoilmeterisusedtomeasureonly___

_______Options:a)D.C.b)A.C.c)D.C.andA.C.d)NoneoftheseCorrectAnswer:D.C.andA.C.Question161.Energyisgivenbytheproductof

_____________Options:a)forceandtimeb)timeandpowerc)poweranddistanced)forceanddistanceCorrectAnswer:poweranddistanceQuestion162.Thefrequencyrangeofvibratingreedfrequencymeteris____

________Options:a)67Hzto83Hz67Hz83Hzb)50Hzto100Hz50Hz100Hzc)47Hzto53Hz47Hz53Hzd)60Hzto100Hz60Hz100HzCorrectAnswer:60Hzto100Hz60Hz100Hz

Question163.Afeedbackcontrolsystemisshowninfig.Thetransferfunctionforthissystemis

Options:a)

b)

c)

d)

CorrectAnswer:

Question164.Ifthegainoftheloopsystemisdoubledthegainmarginofthesystemis

:Options:a)NotAffectedb)Doubledc)Halvedd)onefourthoforginalvalueCorrectAnswer:HalvedQuestion165.G(s)=1/s(1+6s)thesystemis

G(s)=1/s(1+6s):Options:a)Stableb)Unstablec)marginallyStabled)ConditionallyStableCorrectAnswer:marginallyStableQuestion166.Sinusoidaloscillatorare

:Options:a)stableb)Unstablec)marginallyStabled)ConditionallyStableCorrectAnswer:UnstableQuestion167.Withrespecttorootlocustechniqueforconstructionofrootlocus,identifythefalsestatement

,

Options:a)Therootlocusissymmetricalabouttherealaxisb)Therootlocustechniqueispowerfultoolforadjustingthelocationofclosedlooppolestoachievethedesiredsystemperformancebyvaryingoneormoresystemparametres.c)segmentsoftherealaxishavinganoddnumberofrealaxisopenlooppolespluszerostotheirrightarepartsoftherootlocus.d)NoneoftheseCorrectAnswer:NoneoftheseQuestion168.InthestandardformofclosedlooptransferfunctionofsecondordersystemisgivenbyC(s)/R(s)=2n/s2+2ns+2nThedampingratio=1thentherootsare

:C(s)/R(s)=2n/s2+2ns+2n=1,Options:a)purelyimaginaryb)realandequalc)realandunequald)NoneoftheseCorrectAnswer:realandequalQuestion169.Thestatementsthatholdsgoodforrelativestabilityanalysisis

:Options:a)Routharraymethodcannotbeusedb)graphicalmethodscannotbeusedc)graphicalmethodcanbeusedbutRoutharraycannotbeusedd)bothgraphicalaswellasRoutharraycanbeusedCorrectAnswer:bothgraphicalaswellasRoutharraycanbeusedQuestion170.Aservosystemmusthave

Options:a)feedbacksystemb)poweramplifiertoamplifyerrorc)capacitytocontrolpositionoritsderivatived)alloftheseCorrectAnswer:alloftheseQuestion171.Forthecharacteristicequation2s3+4s2+4s+12=0thenumberofrootswithpositiverealpartsis__________

2s3+4s2+4s+12=0______________Options:a)noneb)onec)twod)threeCorrectAnswer:twoQuestion172.Thetransferfunctionisapplicableto___________

_______________

Options:a)linearsystemonlyb)nonlinearsystemonlyc)linearandtimeinvariantsystemd)linearandtimevariantsystemCorrectAnswer:linearandtimeinvariantsystemQuestion173.ForasystemhavingtransferfunctionP(s)=2/(s+2),thephaseshiftwillbe

P(s)=2/(s+2),____________Options:a)tan1(1/3)

b)1/tan1(2/3)

c)tan1(3/4)

d)tan1(1/2)CorrectAnswer:tan1(1/2)Question174.Thetemperatureofathermalsystemisanalogof___

________Options:a)Voltageb)Currentc)Capacitanced)InductanceCorrectAnswer:VoltageQuestion175.Choosethenonlinearsystemsfromthefollowing

Options:a)Servomotorsundersaturationrangeoperationb)Temperaturecontrolledfurnacec)Automaticvoltagestabilizersd)AlloftheseCorrectAnswer:AlloftheseQuestion176.Thecontentsofregister(B)andaccumulator(A)of8085microprocessorare49Hand3AHrespectively.ThecontentsofAandstatusofcarry(CY)andsign(S)afterexecutionSUBBinstructionsare

8085(B)(A)49H3AHSUBBA(CY)and(S)?Options:a)A=F1,CY=1,S=1

b)A=0F,CY=1,S=1

c)A=F0,CY=0,S=0

d)A=1F,CY=1,S=1CorrectAnswer:A=0F,CY=1,S=1Question177.IfCS=A15A14A13isusedasthechipselectlogicofa4KRAMinan8085system,thenitsmemoryrangewillbe

CS=A15A14A1380854KRAM

Options:a)3000H3FFFH3000H3FFFHb)7000H7FFFH7000H7FFFHc)5000H5FFFHand6000H6FFFH5000H5FFFH6000H6FFFHd)6000H6FFFHand7000H7FFFH6000H6FFFH7000H7FFFHCorrectAnswer:7000H7FFFH7000H7FFFHQuestion178.Whichinterrupthasthehighestpriority?

?Options:a)INTRb)TRAP

c)RST6.5

d)noneoftheseCorrectAnswer:TRAPQuestion179.Forwhichofthefollowingdevices,isDMAthemostsuitable

?Options:a)Harddiskb)Keyboardc)Moused)JoyStickCorrectAnswer:HarddiskQuestion180.The8085MUPisavailablein_______pinDIP

8085MUP__________pinDIPOptions:a)60

b)40

c)24

d)14CorrectAnswer:40Question181.HOLD&HLDApairprovidesthehandshakingsignalsrequiredfor____________operation

HOLDHLDA____________Options:a)UART

b)USART

c)DMA

d)AllCorrectAnswer:DMAQuestion182."Cyclesteal"operationiswith

"cyclesteal"__________Options:a)DMAcontrollerDMAb)InterruptControllerc)KeyboardDisplayControllerfid)MicrocontrollerCorrectAnswer:DMAcontrollerDMA

Question183.Thyristorchoppercircuitsareemplyedfor

Options:a)loweringthelevelofad.c.voltaged.c.b)rectifyingthea.c.voltagea.c.c)frequencyconversiond)providingcommutatingcircuitryCorrectAnswer:loweringthelevelofad.c.voltaged.c.Question184.Findtheincorrectpascalreservedword

Options:a)AND

b)END

c)VAR

d)ELSEIFCorrectAnswer:ELSEIFQuestion185.Microprocessoris

:Options:a)ALUandmemoryonasinglechipALU,b)ALUandI/OdevicesonasinglechipALUI/O,c)ALUandcontrolunitonasinglechip,ALUd)ALU,registerunitandcontrolunitonasinglechipALU,CorrectAnswer:ALU,registerunitandcontrolunitonasinglechipALU,Question186.Stackpointer________bitregister.

_________Options:a)4

b)8

c)16

d)32CorrectAnswer:8Question187.8085operateswith

8085_________Options:a)1MHzsinglephaseclock1MHzb)2MHzsinglephaseclock2MHzc)2MHztwophaseclock1MHzd)3MHzsinglephaseclock3MHzCorrectAnswer:2MHztwophaseclock1MHzQuestion188.Theaddressbusof8085MPUis

8085MPU___________

Options:a)multidirectionalb)bidirectionalc)unidirectionald)NoneoftheseCorrectAnswer:NoneoftheseQuestion189.YoucanaddarowusingSQLinadatabasewithwhichofthefollowing?

SQL?Options:a)ADD

b)CREATE

c)INSERT

d)MAKECorrectAnswer:INSERTQuestion190.SQLstandsfor________.

SQL?Options:a)StructuredQueryLanguage

b)SequentialQueryLanguage

c)StructuredQuestionLanguage

d)SequentialQuestionLanguageCorrectAnswer:StructuredQueryLanguageQuestion191.Windowis_______________

Window:Options:a)GUIbasedfreeOSGUIOSb)NonGUIbasedfreeOSNonGUIOSc)GUIbasednotfreeOSGUIOSd)NonGUIbasednotfreeOSNonGUIOSCorrectAnswer:GUIbasednotfreeOSGUIOSQuestion192.WindowsOSis

OS:Options:a)OpenSourceOSb)ClosedSourceOSc)OpenSourcebutwithrestrictionsd)NoneoftheseCorrectAnswer:ClosedSourceOSQuestion193.Printeris

:Options:a)Inputdeviceb)Outputdevicec)MemoryDeviced)Itisnotadevice

CorrectAnswer:OutputdeviceQuestion194.Indatabase,Datamanipulationlanguage(DML)isnotto

,(DML)Options:a)createinformationtableintheDatabaseb)Insertionofnewinformationintothedatabasec)Deletionofinformationinthedatabased)UpdationofinformationinthedatabaseCorrectAnswer:createinformationtableintheDatabaseQuestion195.Anactiveelementinacircuitisone

,Options:a)receivesenergyb)suppliesenergyc)bothreceivesandsuppliesenergyd)noneoftheseCorrectAnswer:suppliesenergyQuestion196.OneGigaByteisequalto

(GigaByte)Options:a)220Bytes

b)230Bytes

c)202Bytes

d)102BytesCorrectAnswer:230BytesQuestion197.DMA8237provides_____________DMAchannel.

DMA8237,_______________DMAOptions:a)8

b)4

c)2

d)1CorrectAnswer:4Question198.Thenumberofflowlinesleavingadecisionboxis__________

_______________Options:a)3only3b)1only1c)2only2d)morethan22CorrectAnswer:2only2Question199.Thestandardpunchedcardisdividedinto___________columnsand__________rows.

____________________________

Options:a)12,40

b)40,20

c)80,12

d)80,20CorrectAnswer:80,12Question200.Thethirdgenerationcomputerscouldperformcalculationsin______________

__________Options:a)millisecondsb)microsecondsc)nanosecondsd)pecosecondsCorrectAnswer:pecoseconds