Iof Mega Test Questions

10/28/2014 PrintableQuiz:I.O.F.CHARGEMENMECHANICALONLINEMEGATEST

https://www.proprofs.com/quizschool/printquiz.php?title=ODM3Njg1HZHL 1/10

Electroplating

polishing

coating

shotpeening

aluminiumoxide

siliconcarbide

cubicboronnitride

cementedcarbide

annelingoperationisnotnecessory

powerrequirementsarelow

surfacefinishisgood

grainrefinementispossible

11,4

12,3

13,2

10,5

chipthicknessratio

forcesduringmetalcutting

wearofthecuttingtool

deflectionofcuttingtool

normalising

annealing

hardening

austempering

siliconcarbide

sodiumsilicate

boroncarbide

aluminiumoxide

0.25

0.4

0.5

1

infilteration

impregnation

plating

sintering

Finishingadrilledhole

ProducingaLargeholewithoutdrilling

TruingaholeforAlignment

EnlargingaDrilledhole

I.O.F.CHARGEMENMECHANICALONLINEMEGATEST MaxTimeAllowed:90min

Q.1) ThefatiguelifeofapartCanbeimprovedby A. B. C. D.

Q.2) whichofthefollowingishardestmaterialsnexttodiamond A. B. C. D.

Q.3) Inhotworking A. B. C. D.

Q.4) Thesumofthetwonumbersis15andtheirgeometricmeanis20%lowerthantheirarithmetricmean.Findthenumbers

A. B. C. D.

Q.5) ADynameterisadeviceusedforthemeasurementof A. B. C. D.

Q.6) Heattreatmentprocesswhichdecreasehardnessandtensilestrengthbutincreasethemachinability

A. B. C. D.

Q.7) whichoneofthefollowingmaterialsisusedasthebondingmaterialforgrindingwheels A. B. C. D.

Q.8) Volumetricstrainofabodyiszero(bodyisincompressible),ifitspoissonratiois A. B. C. D.

Q.9) Inpowdermetallurgy,theoperationcarriedouttoimprovethebearingpropertyofabushiscalled

A. B. C. D.

Q.10) Trepanningisperformedfor A. B. C. D.

Q.11) Findtheareaofanisoscelesrightangledtrianglewhosehypotenuseis8cm



32sqm

24sqm

16sqm

noneoftheabove

Higherthansurfaceofliquid

sameasthesurfaceofliquid

lowerthanthesurfaceofliquid

unpredictable

fractureinroomtemperaturebelowtheirrecrystallizationtemperature

brittelnessinroomtemperaturebelowtheirrecrystallizationtemperature

lossofductilityaboverecrystallizationtemperature

decreaseofbrittlenessinroomtemperature

increase

decrease

remainssame

notoftheabove

abovethelinejoiningthetwowheelcentres

Belowthelinejoiningthecentres

onthelinejoiningthewheelcentres

Attheintersectionoftheofthelinejoiningthewheelcentreswiththeworkplateplane

623

723

728

noneoftheabove

styrenebutadienerubber

butylrubber

nitrilerubber

anyoneoftheabove

Electricmotor

Dynamo

MechanicalEngine

Loudspeaker

schottkydefect

frenkeldefect

edgedislocation

millerdefect

70cm

135cm

17.5cm

35cm

Eulernumber

Webernumber

Froudenumber

Machnumber

25km/hr

A.

B. C. D.

Q.12) Ifcohesionbetweenmoleculesofafluidisgreaterthanadhesionbetweenfluidandglass,thenthefreeleveloffluidinadippedglasstubewillbe

A. B. C. D.

Q.13) coldshortnessisdefinedasthe A. B. C. D.

Q.14) ByDopingimpurities.Theelectricalconductivityofsemiconducteris A. B. C. D.

Q.15) InCentrelessGrinding,TheworkpieceCentrewillbe A. B.

C. D.

Q.16) Findtheleastnumberwhichbeingdividedby9,12,16,and30leavesineachcasearemainder3?

A. B. C. D.

Q.17) whichofthefollowingmaterialsusedforcartyresasastandardmaterial A. B. C. D.

Q.18) WhichoneoftheEquipmentsusedtoTransformMechanicalenergyintoElectricalenergy A. B. C. D.

Q.19) Lineimperfectioninacrystaliscalled A. B. C. D.

Q.20) Abicyclemakes5000revolutionsinmoving11km.Whatistheradiusofthewheel A. B. C. D.

Q.21) Ratiobetweeninertialforcesandthesquarerootofpressureforcesisknownas A. B. C. D.

Q.22) Apersoncovershalfofhisjournyat30km/hrandremainninghalf20km/hr.Theaveragespeedforthewholejournyis

A.



28km/hr

32km/hr

noneoftheabove

Polygraph

Udometer

Cardiogram

odometer

increasingthecentredistanceofbullgearandcrankpin

decreasingthecentredistanceofbullgearandcrankpin

increasingthelengthofarm

decreasingthelengthofslotintheslottedlever

Zeroatextremefibreandvarieslinearlytomaxiumvalueataxis

Zeroataxisandvarieslinearlytomaximumvalueatextremefibre

Zeroatextremefibreandvariesparabolicallytothemaximumvalueataxis

Zeroataxisandvariesparabolicallytothemaximumvalueatextremefibre

LKPQ

ABZ

JIRQ

LMRS

byunitdegreeofsubstance

byunitdegreeofaunitmass

ofaunitmassby10

noneoftheabove

40to80V

100to150V

200to220V

400to440V

nickel

cobalt

chromium

silicon

increases

decreases

remainsconstant

increaseuptocertainlimitandthendecrease

IndianRemoteNavigationSatellteSystem

IndianRegionalNavigationSatelliteSystem

InternationRemoteNavigationSatelliteSystem

InternationalRegionalNavigationSatelliteSystem

24years

25years

20years

28years

up(climb)millingprovidesbettersurfacefinishwhiledownmillingprovidelongertoollife

upmillingprovideslongertoollifewhiledownmillingprovidebettersurfacefinish

upmillingisprovidebothbettertoollifeaswellasbettersurfacefinish

downmillingprovidebettersurfacefinishaswellaslongertoollife

B.

C. D.

Q.23) WhichoneofthefollowinginstrumentusedinLightDetectorTest A. B. C. D.

Q.24) Inamechanicalshaperthelengthofstrokeisincreasedby A. B. C. D.

Q.25) Inasolidcircularbarsubjecttotorsion,theshearstressis A. B. C. D.

Q.26) DCXWFEVUHGTS? A. B. C. D.

Q.27) SpecificHeatistheamountofheatrequiredtoraisethetemperature A. B. C. D.

Q.28) TheopenCircuitVoltageOCVinarcweldingrangesfrom A. B. C. D.

Q.29) Bindingmaterialusedincementedcarbidetoolsis A. B. C. D.

Q.30) withincreaseinpressurethebulkmodulusofelasticity A. B. C. D.

Q.31) IRNSSStandsForThe A. B. C. D.

Q.32) Theaverageof5membersis21years.Iftheageoftheyoungestmemberbe5years.Findtheaverageageofthefamilyatthebirthoftheyoungestmember.

A. B. C. D.

Q.33) whichofthefollowingistrueregardingmillingmachine A. B. C. D.



Specificheatofmoleculesreducedtozero

Kinecticenergyofmoleculesreducedtozero

volumeofgasreducetozero

Pressureofgasreducedtozero

22

23

21

24

Themetalremovalrateishigh

highsurfacefinishisobtained

highformofaccuracyisobtained

highdegreeoftoleranceachieved

11.2km/s

2.4km/s

1.732km/s

22.4km/s

blanking

piercing

perforating

punching

Mildsteel,Copper,CastIron,Al

Castiron,Al,Mildsteel,Copper

Copper,Castiron,Mildsteel,Al

Al,Castiron,Copper,Mildsteel

HydrodynamicBearing

ballbearing

rollerbearing

hydrostaticbearing

Panaji

Pune

Bangalore

Roorkee

Entropy

Volume

Density

Pressure

22m/s

10m/s

21m/s

11m/s

hobbing

shaping

milling

savingorburnishing

KinecticEnergy

Q.34) Accordingtokinectictheoryofgases,atabsolutezero A. B. C. D.

Q.35) HowmanytermsthereintheArithmeticProgression20,25,30,............130 A. B. C. D.

Q.36) inreamingprocess A. B. C. D.

Q.37) WhatisthevalueofEscapeVelocityfromtheEarthSurface A. B. C. D.

Q.38) Productionofcontoursinflatblankistermedas A. B. C. D.

Q.39) Thecorrectsequenceofthegivenmaterialsindescendingorderoftheirweldabilityis A. B. C. D.

Q.40) Themostsuitabletypeofbearingforcarryingveryheavyloadswithslowspeedis A. B. C. D.

Q.41) TheNationalinstituteforOceanographyissituatedin A. B. C. D.

Q.42) DuringPhasechangeofPuresubstancewhichofthefollowingisnotaltered A. B. C. D.

Q.43) Abodyofmass10kgmovingwiththevelocityof1m/sisacteduponbyaforceof50NfortwoSeconds.Thefinalvelocitywillbe

A. B. C. D.

Q.44) Whichofthefollowingisgearfinishingoperation A. B. C. D.

Q.45) whichoneofthermodynamicPropertiesisnotdependentuponthemassofsubstance A.



Volume

Density

Entropy

hypertexttransferprotocal

hypertexttransferpoint

hypertexttabulatedprogramm

noneoftheabove

saturationtemperature

boilingpoint

Normalboilingpoint

Criticaltemperature

35cm,15cm

30cm,10cm

28cm,12cm

25cm,15cm

Australiya

southafrica

USA

England

6

7

8

7.5

30degree

45degree

60degree

70degree

dynamicViscosity/Density

Productofdynamicviscosityanddensity

density/dynamicviscosity

DynamicViscosity/momentum

Rs.375

Rs.275

Rs.575

Rs.675

oxygenissuppliedinlowpressure

AcetyleneissuppliedinLowpressure

BothOxygenandAcetyleneSuppliedinLowPressure

Mixingofoxygenandacetyleneoccuredinlowpressure

6

9

14

24

MR2/2

MR2/4

B.

C. D.

Q.46) ThewordHTTPisstandfor A. B.

C. D.

Q.47) Thetemperatureatwhichthevapourpressureofaliquidisequalto760mmHgiscalledthe A. B. C. D.

Q.48) Iftheperimeterofarectangleandasquareeachisequalto80cmandthedifferenceoftheirareasis100sqcm.Thesidesoftherectangleare:

A. B. C. D.

Q.49) WhichoneoftheountryisthelargestproducerofGold A. B. C. D.

Q.50) Theaverageoffiveconsecutiveevennumbersstartingwith4,is A. B. C. D.

Q.51) inthemanualTIGwelding,theangleoftheelectrodeholderwiththedirectionofweldingis A. B. C. D.

Q.52) KinamaticViscosityisGivenby A. B. C. D.

Q.53) Amit,SumitandPuneetshareanamountofRs.660intheratioof3:4:5whatistheshareofPuneet

A. B. C. D.

Q.54) LowPressureOxyAcetyleneWeldingisthenamegiventotheweldingProcessinwhich A. B. C. D.

Q.55) Inaunitcellofabodycenteredcubicspacelatticethetotalnumberofatomsis A. B. C. D.

Q.56) Massmomentofinertiaofathincircularplateaboutitspolaraxisis A. B.



MR4/2

MR4/4

RadhaMohanSingh

ThavarsinghGehlot

KalrajMishra

M.VainkaiyaNaidu

moulding

laminating

casting

calendering

East

West

North

South

3d3/64

7d3/64

15d3/64

3d3/8

Higherthanmetalliccore

lowerthanmetalliccore

Thesameasthemetalliccore

Thesameasthemetalbeingwelded

5days

6.5days

9days

10days

USA

Australia

India

UnitedKingdom

resinoidbond

rubberbond

shellacbond

silicatebond

plasticshear

meltingandvapourization

erosionandbrittlefracture

corrosivereaction

ratioofspeedoflightinvaccumtospeedoflightinthemedium

ratioofspeedoflightinmediumtospeedoflightinvaccum

ratioofspeedoflightindensermediumtorarermedium

ratioofspeedoflightrarermediumtothatofdensermedium

DRDO

C.

D.

Q.57) WhichoneofthefollowingisacabinetministerofAgricultureDepartment A. B. C. D.

Q.58) theprocessofproducingcomponentsinmouldswithouttheapplicationofpressure,isknownas

A. B. C. D.

Q.59) Amenisfacingnorthwest.Heturns90degreeintheclockwisedirectionandthen135degreeintheanticlockwisedirection.WhichdirectionishefacingNow.?

A. B. C. D.

Q.60) Modulusofsectionofhollowtubeofouterdiameter2dandinnnerdiameteris A. B. C. D.

Q.61) Thefluxcoatingofanelectricarcelectrodehasameltingpoint A. B. C.

D.

Q.62) Rameshcandoaworkin10daysandSureshcandothesameworkin20days.Theyworktogetherfor5daysandthenRameshgoesaway.InhowmanymoredayswillSureshfinishthework

A. B. C. D.

Q.63) TheDetectiveagency"Researchandanalysiswing"istheintelligenceagencyof A. B. C. D.

Q.64) inthegridingwheelhavespecificationA60G7B23,Bstandsforthe A. B. C. D.

Q.65) whichoneofthefollowngprincipleresponcibleformetalremovalrateinultrasonicmachining A. B. C. D.

Q.66) Refractiveindexforlightisdefinedasthe A. B. C. D.

Q.67) ThefamoussupercomputerPARAM10000isdevelopedby A.



CDAC,Pune

CDot,Banglore

IITBombay

Vthreads

Whithworththreads

Buttressthreads

ACMEthreads

siliconcarbide

carbon

phosphorus

sulpher

Numerator:5,Denominator:12




JitanRammanjhi

PrakashsinghBadal

VijayBahuguna

HarishRawat

1

5

7

6

improvethesurfacefinish

increaseproductivity

improvecuttingefficiency

reducevibrationsandchatter

TunstenCarbideonly

tungstencarbideandtitaniumcarbide

tungstencarbideandcobalt

tungstencarbideandcobaltcarbide

ExtendedDateoutputRandomAccessMemory

ErasableDateoutputRandomAccessmemory

ExtendeddefaultoutputRandomAccessmemory

ErasableDefaultoutputRandomaccessmemory

atthecentroid

abovethecentroid

belowthecentroid

atmetacentre

doubled

halved

remainsame

increasebyfourtimes

n/(n+1)

B.

C. D.

Q.68) ALeadScrewwithhalfnutsinalathe,FreetoRotateinbothDirectionhas A. B. C. D.

Q.69) Toraisingtheyieldpointoflowcarbonsteelwhichoneofthefollowingadded A.

B. C. D.

Q.70) Afteranincrementof7inboththenumeratoranddenominator,afractionchangeto3:4.Findtheorinalfraction

A. B. C. D.

Q.71) PresentlyWhichoneoftheFollowingisachiefministerofUttarakhand A. B. C. D.

Q.72) Apieceweghing3kginairwasfoundtoweigh2.5kgwhensubmergedinwater.Itsspecifiecgravityis

A. B. C. D.

Q.73) Inturningofslenderrods,itisnecessorytokeepthetransverseforceminimiummainlyto A. B. C. D.

Q.74) Thestraighgradesofcementedcarbidecuttingtoolmaterialscontain A. B. C. D.

Q.75) ForcomputerapplicationthewordEDOROMstandsforthe A. B. C. D.

Q.76) CentreofPressureonaninclinedplaneis A. B. C. D.

Q.77) IfmetallicwireisStrecheddoubledthenspecieficresistanceofwirewill A. B. C. D.

Q.78) AbodyofmassmmovingwithvelocityVmakesaheadonelasticcollisionwithstationarybodyofmassmThefractionofincidentenergytransferredtothebodyis

A.



n/(n+3)

n/(n+5)

4n/(n+1)2

18W4Cr1V

12Mo1W4Cr1V

6Mo6W4Cr1V

18W8Cr1V

2EI/L2

22EI/L2

32EI/L2

42EI/L2

Germany

Brazil

Argentina

Columbia

1Pa

98.1Pa

981Pa

9810Pa

compressionmoulding

extrusionwithmandrel

injectionmoulding

blowmoulding

Quenching

Smelting

shaping

noneoftheabove

Grinding

drilling

planing

turnig

5%

10%

25%

50%

120

187

125

70

ductility

workhardening

plasticity

shearing

B.

C. D.

Q.79) Thecompositionsofsomeofthealloysteelsareasunder A. B. C. D.

Q.80) Whenthecolumnisfixedatbothends,correspondingEulercriticalloadis A. B. C. D.

Q.81) InFIFA2014WoldcuptheGoldenbootawardwinner"JamesRodrigreze"isplayerofwhichcountry

A. B. C. D.

Q.82) Thepressureinpascalsatadepthof1mbelowthefreesurfaceofabodyofwaterwillbeequalto

A. B. C. D.

Q.83) thebottlesfromthermoplasticmaterialsaremadeby A. B. C. D.

Q.84) Processofreducingorewithcarboninthepresenceoffluxiscalled A.

B. C. D.

Q.85) Amongtheconventional,machiningprocessmaximiumspecifiecenergyisconsumedin A. B. C. D.

Q.86) Amansold250chairsandandhadagainequaltosellingpriceof50chairs.Hisprofitpercentis:

A. B. C. D.

Q.87)Amillingcutterhaving8teethisrotatingat150rpm.ifthefeedpertoothis0.1mm,thevalueofthewtablespeedinmm/minis

A. B. C. D.

Q.88) indrawingoperationmetalflowsdueto A. B. C. D.

Q.89) Abodyfloatsinstableequilibrium



whenitsmetacentreheightiszero

whenmetacentreissboveC.g.

whenitsc.gisbelowitscentreofBuoyancy

noneoftheabove

stresscorrespondingto0.2%strain

0.2%ofultimatestress

0.2%ofyieldstress

thestressatwhichifunloadingismadetherewillbe0.2%permanentset

typesofwheelbondfracture

typesofwheelgrainfracture

stickingofsmallparticleongrindingwheel

noneoftheabove

35

60

90

5

Systemsoftware

Applicationsoftware

Utilitiessoftware

noneoftheabove

7.5m/s

15m/s

45m/s

450m/s

copperwire

graphite

brasswire

tungstonwire

theyreducenonproductivetime

theyreducefixturing

niether1nor2

both1and2

NeutralFlameOAW

ReducingFlameOAW

OxidisingFlameOAW

MIGWelding

Venturimeter

Rotameter

Pitottube

Orificemeter

phospherbronze

whitemetal

monelmetal

bronze

A.

B. C. D.

Q.90) Whatisthemeanby0.2%proofstressmeans A. B. C. D.

Q.91) wheelloadingingrindingisdefinedas A. B. C.

D.

Q.92) helixangleofafasthelixdrillisnormally A. B. C. D.

Q.93) Antiviusisa A. B. C. D.

Q.94) AGrindingwheelof150mmdiameterisrotatingat3000rpm.Thegrindingspeedis A. B. C. D.

Q.95) deepholedrillingofsmalldiametersay0.2mmisdonewithEDMbyselectingthetoolmaterialas

A. B. C. D.

Q.96) considerthefollowingstatementsregardingNCmachinetools A. B. C. D.

Q.97) BrassesandBronzeisweldedby A. B. C. D.

Q.98) Theflowofwaterinapipeofdiameter3000mmcanbemeasuredby A. B. C. D.

Q.99) Bearingalloypreferredforlightloadsbearingis A.

B. C. D.

Q.100) Inamixtureof80litresofmilkandwater25%ofthemixtureismilk.Howmuchwatershouldbeaddedtothemixturesothatmilkbecomes20%ofthemixture



20litres

15litres

25litres

noneoftheabove

A.

B. C. D.

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Iof Mega Test Questions