Iof Mega Test Answer

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

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

6

9

14

24

70cm

135cm

17.5cm

35cm

ductility

workhardening

plasticity

shearing

Electroplating

polishing

coating

shotpeening

n/(n+1)

n/(n+3)

n/(n+5)

4n/(n+1)2

22

23

21

24

phospherbronze

whitemetal

monelmetal

bronze

35cm,15cm

30cm,10cm

28cm,12cm

25cm,15cm

3d3/64

7d3/64

15d3/64

3d3/8

increasingthecentredistanceofbullgearandcrankpin

decreasingthecentredistanceofbullgearandcrankpin

increasingthelengthofarm

decreasingthelengthofslotintheslottedlever

RadhaMohanSingh

ThavarsinghGehlot

I.O.F.CHARGEMENMECHANICALONLINEMEGATEST MaxTimeAllowed:90min

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

Q.2) Abicyclemakes5000revolutionsinmoving11km.Whatistheradiusofthewheel A. B. C. D.

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

Q.4) ThefatiguelifeofapartCanbeimprovedby A. B. C. D.

Q.5) AbodyofmassmmovingwithvelocityVmakesaheadonelasticcollisionwithstationarybodyofmassmThefractionofincidentenergytransferredtothebodyis

A. B. C. D.

Q.6) HowmanytermsthereintheArithmeticProgression20,25,30,............130 A. B. C. D.

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

Q.8) Iftheperimeterofarectangleandasquareeachisequalto80cmandthedifferenceoftheirareasis100sqcm.Thesidesoftherectangleare:

A. B. C. D.

Q.9) Modulusofsectionofhollowtubeofouterdiameter2dandinnnerdiameteris A. B. C. D.

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

Q.11) WhichoneofthefollowingisacabinetministerofAgricultureDepartment A. B.



KalrajMishra

M.VainkaiyaNaidu

Rs.375

Rs.275

Rs.575

Rs.675

20litres

15litres

25litres

noneoftheabove

ratioofspeedoflightinvaccumtospeedoflightinthemedium

ratioofspeedoflightinmediumtospeedoflightinvaccum

ratioofspeedoflightindensermediumtorarermedium

ratioofspeedoflightrarermediumtothatofdensermedium

Themetalremovalrateishigh

highsurfacefinishisobtained

highformofaccuracyisobtained

highdegreeoftoleranceachieved

Vthreads

Whithworththreads

Buttressthreads

ACMEthreads

siliconcarbide

sodiumsilicate

boroncarbide

aluminiumoxide

saturationtemperature

boilingpoint

Normalboilingpoint

Criticaltemperature

aluminiumoxide

siliconcarbide

cubicboronnitride

cementedcarbide

resinoidbond

rubberbond

shellacbond

silicatebond

styrenebutadienerubber

butylrubber

nitrilerubber

anyoneoftheabove

5days

6.5days

C.

D.

Q.12) Amit,SumitandPuneetshareanamountofRs.660intheratioof3:4:5whatistheshareofPuneet

A. B. C. D.

Q.13) Inamixtureof80litresofmilkandwater25%ofthemixtureismilk.Howmuchwatershouldbeaddedtothemixturesothatmilkbecomes20%ofthemixture

A. B. C. D.

Q.14) Refractiveindexforlightisdefinedasthe A. B. C. D.

Q.15) inreamingprocess A. B. C. D.

Q.16) ALeadScrewwithhalfnutsinalathe,FreetoRotateinbothDirectionhas A. B. C. D.

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

Q.18) Thetemperatureatwhichthevapourpressureofaliquidisequalto760mmHgiscalledthe A. B. C. D.

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

Q.20) inthegridingwheelhavespecificationA60G7B23,Bstandsforthe A. B. C. D.

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

Q.22) Rameshcandoaworkin10daysandSureshcandothesameworkin20days.Theyworktogetherfor5daysandthenRameshgoesaway.InhowmanymoredayswillSureshfinishthework

A. B.



9days

10days

improvethesurfacefinish

increaseproductivity

improvecuttingefficiency

reducevibrationsandchatter

NeutralFlameOAW

ReducingFlameOAW

OxidisingFlameOAW

MIGWelding

annelingoperationisnotnecessory

powerrequirementsarelow

surfacefinishisgood

grainrefinementispossible

Panaji

Pune

Bangalore

Roorkee

Electricmotor

Dynamo

MechanicalEngine

Loudspeaker

oxygenissuppliedinlowpressure

AcetyleneissuppliedinLowpressure

BothOxygenandAcetyleneSuppliedinLowPressure

Mixingofoxygenandacetyleneoccuredinlowpressure

increases

decreases

remainsconstant

increaseuptocertainlimitandthendecrease

plasticshear

meltingandvapourization

erosionandbrittlefracture

corrosivereaction

Zeroatextremefibreandvarieslinearlytomaxiumvalueataxis

Zeroataxisandvarieslinearlytomaximumvalueatextremefibre

Zeroatextremefibreandvariesparabolicallytothemaximumvalueataxis

Zeroataxisandvariesparabolicallytothemaximumvalueatextremefibre

Specificheatofmoleculesreducedtozero

Kinecticenergyofmoleculesreducedtozero

volumeofgasreducetozero

Pressureofgasreducedtozero

Polygraph

Udometer

Cardiogram

odometer

C.

D.

Q.23) Inturningofslenderrods,itisnecessorytokeepthetransverseforceminimiummainlyto A.

B. C. D.

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

Q.25) Inhotworking A. B. C. D.

Q.26) TheNationalinstituteforOceanographyissituatedin A. B. C. D.

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

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

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

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

Q.31) Inasolidcircularbarsubjecttotorsion,theshearstressis

A. B. C. D.

Q.32) Accordingtokinectictheoryofgases,atabsolutezero A. B. C. D.

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



Systemsoftware

Applicationsoftware

Utilitiessoftware

noneoftheabove

USA

Australia

India

UnitedKingdom

KinecticEnergy

Volume

Density

Entropy

hobbing

shaping

milling

savingorburnishing

6

7

8

7.5

Higherthanmetalliccore

lowerthanmetalliccore

Thesameasthemetalliccore

Thesameasthemetalbeingwelded

Venturimeter

Rotameter

Pitottube

Orificemeter

IndianRemoteNavigationSatellteSystem

IndianRegionalNavigationSatelliteSystem

InternationRemoteNavigationSatelliteSystem

InternationalRegionalNavigationSatelliteSystem

hypertexttransferprotocal

hypertexttransferpoint

hypertexttabulatedprogramm

noneoftheabove

Mildsteel,Copper,CastIron,Al

Castiron,Al,Mildsteel,Copper

Copper,Castiron,Mildsteel,Al

Al,Castiron,Copper,Mildsteel

dynamicViscosity/Density

Productofdynamicviscosityanddensity

density/dynamicviscosity

DynamicViscosity/momentum

chipthicknessratio

forcesduringmetalcutting

wearofthecuttingtool

Q.34) Antiviusisa A. B. C. D.

Q.35) TheDetectiveagency"Researchandanalysiswing"istheintelligenceagencyof A. B. C. D.

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

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

Q.38) Theaverageoffiveconsecutiveevennumbersstartingwith4,is A. B. C. D.

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

Q.40) Theflowofwaterinapipeofdiameter3000mmcanbemeasuredby A. B. C. D.

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

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

Q.43) Thecorrectsequenceofthegivenmaterialsindescendingorderoftheirweldabilityis A. B. C. D.

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

Q.45) ADynameterisadeviceusedforthemeasurementof A. B. C.



deflectionofcuttingtool

JitanRammanjhi

PrakashsinghBadal

VijayBahuguna

HarishRawat

Germany

Brazil

Argentina

Columbia

40to80V

100to150V

200to220V

400to440V

whenitsmetacentreheightiszero

whenmetacentreissboveC.g.

whenitsc.gisbelowitscentreofBuoyancy

noneoftheabove

schottkydefect

frenkeldefect

edgedislocation

millerdefect

2EI/L2

22EI/L2

32EI/L2

42EI/L2

Eulernumber

Webernumber

Froudenumber

Machnumber

Quenching

Smelting

shaping

noneoftheabove

32sqm

24sqm

16sqm

noneoftheabove

byunitdegreeofsubstance

byunitdegreeofaunitmass

ofaunitmassby10

noneoftheabove

Finishingadrilledhole

ProducingaLargeholewithoutdrilling

TruingaholeforAlignment

EnlargingaDrilledhole

D.

Q.46) PresentlyWhichoneoftheFollowingisachiefministerofUttarakhand A. B. C. D.

Q.47) InFIFA2014WoldcuptheGoldenbootawardwinner"JamesRodrigreze"isplayerofwhichcountry

A. B. C. D.

Q.48) TheopenCircuitVoltageOCVinarcweldingrangesfrom A. B. C. D.

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

Q.50) Lineimperfectioninacrystaliscalled A. B. C. D.

Q.51) Whenthecolumnisfixedatbothends,correspondingEulercriticalloadis A. B. C. D.

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

Q.53) Processofreducingorewithcarboninthepresenceoffluxiscalled A. B. C. D.

Q.54) Findtheareaofanisoscelesrightangledtrianglewhosehypotenuseis8cm A. B. C. D.

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

Q.56) Trepanningisperformedfor A. B. C. D.

Q.57) WhichoneoftheountryisthelargestproducerofGold



Australiya

southafrica

USA

England

atthecentroid

abovethecentroid

belowthecentroid

atmetacentre

abovethelinejoiningthetwowheelcentres

Belowthelinejoiningthecentres

onthelinejoiningthewheelcentres

Attheintersectionoftheofthelinejoiningthewheelcentreswiththeworkplateplane

compressionmoulding

extrusionwithmandrel

injectionmoulding

blowmoulding

35

60

90

5

copperwire

graphite

brasswire

tungstonwire

30degree

45degree

60degree

70degree

LKPQ

ABZ

JIRQ

LMRS

Entropy

Volume

Density

Pressure

623

723

728

noneoftheabove

theyreducenonproductivetime

theyreducefixturing

niether1nor2

both1and2

A. B. C. D.

Q.58) CentreofPressureonaninclinedplaneis A. B. C. D.

Q.59) InCentrelessGrinding,TheworkpieceCentrewillbe A. B. C. D.

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

Q.61) helixangleofafasthelixdrillisnormally A. B. C. D.

Q.62) deepholedrillingofsmalldiametersay0.2mmisdonewithEDMbyselectingthetoolmaterialas

A. B.

C. D.

Q.63) inthemanualTIGwelding,theangleoftheelectrodeholderwiththedirectionofweldingis A. B. C. D.

Q.64) DCXWFEVUHGTS? A. B. C. D.

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

Q.66) Findtheleastnumberwhichbeingdividedby9,12,16,and30leavesineachcasearemainder3?

A. B. C. D.

Q.67) considerthefollowingstatementsregardingNCmachinetools A. B. C. D.

Q.68) Apieceweghing3kginairwasfoundtoweigh2.5kgwhensubmergedinwater.Itsspecifiecgravityis



1

5

7

6

typesofwheelbondfracture

typesofwheelgrainfracture

stickingofsmallparticleongrindingwheel

noneoftheabove

11,4

12,3

13,2

10,5

22m/s

10m/s

21m/s

11m/s

MR2/2

MR2/4

MR4/2

MR4/4

5%

10%

25%

50%

fractureinroomtemperaturebelowtheirrecrystallizationtemperature

brittelnessinroomtemperaturebelowtheirrecrystallizationtemperature

lossofductilityaboverecrystallizationtemperature

decreaseofbrittlenessinroomtemperature

increase

decrease

remainssame

notoftheabove

1Pa

98.1Pa

981Pa

9810Pa

ExtendedDateoutputRandomAccessMemory

ErasableDateoutputRandomAccessmemory

ExtendeddefaultoutputRandomAccessmemory

ErasableDefaultoutputRandomaccessmemory

7.5m/s

15m/s

45m/s

450m/s

A.

B. C. D.

Q.69) wheelloadingingrindingisdefinedas A. B. C. D.

Q.70) Thesumofthetwonumbersis15andtheirgeometricmeanis20%lowerthantheirarithmetricmean.Findthenumbers

A. B. C. D.

Q.71) Abodyofmass10kgmovingwiththevelocityof1m/sisacteduponbyaforceof50NfortwoSeconds.Thefinalvelocitywillbe

A. B. C. D.

Q.72) Massmomentofinertiaofathincircularplateaboutitspolaraxisis A. B. C. D.

Q.73) Amansold250chairsandandhadagainequaltosellingpriceof50chairs.Hisprofitpercentis:

A. B. C. D.

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

Q.75) ByDopingimpurities.Theelectricalconductivityofsemiconducteris A. B. C. D.

Q.76) Thepressureinpascalsatadepthof1mbelowthefreesurfaceofabodyofwaterwillbeequalto

A. B. C. D.

Q.77) ForcomputerapplicationthewordEDOROMstandsforthe A. B.

C. D.

Q.78) AGrindingwheelof150mmdiameterisrotatingat3000rpm.Thegrindingspeedis A. B. C. D.

Q.79) theprocessofproducingcomponentsinmouldswithouttheapplicationofpressure,isknown



moulding

laminating

casting

calendering

120

187

125

70

up(climb)millingprovidesbettersurfacefinishwhiledownmillingprovidelongertoollife

upmillingprovideslongertoollifewhiledownmillingprovidebettersurfacefinish

upmillingisprovidebothbettertoollifeaswellasbettersurfacefinish

downmillingprovidebettersurfacefinishaswellaslongertoollife

normalising

annealing

hardening

austempering

18W4Cr1V

12Mo1W4Cr1V

6Mo6W4Cr1V

18W8Cr1V

11.2km/s

2.4km/s

1.732km/s

22.4km/s

stresscorrespondingto0.2%strain

0.2%ofultimatestress

0.2%ofyieldstress

thestressatwhichifunloadingismadetherewillbe0.2%permanentset

nickel

cobalt

chromium

silicon

infilteration

impregnation

plating

sintering

0.25

0.4

0.5

1

Higherthansurfaceofliquid

sameasthesurfaceofliquid

lowerthanthesurfaceofliquid

unpredictable

as A. B. C. D.

Q.80)Amillingcutterhaving8teethisrotatingat150rpm.ifthefeedpertoothis0.1mm,thevalueofthewtablespeedinmm/minis

A. B. C. D.

Q.81) whichofthefollowingistrueregardingmillingmachine A. B. C. D.

Q.82) Heattreatmentprocesswhichdecreasehardnessandtensilestrengthbutincreasethemachinability

A. B. C. D.

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

Q.84) WhatisthevalueofEscapeVelocityfromtheEarthSurface A. B. C. D.

Q.85) Whatisthemeanby0.2%proofstressmeans A. B. C. D.

Q.86) Bindingmaterialusedincementedcarbidetoolsis A. B. C. D.

Q.87) Inpowdermetallurgy,theoperationcarriedouttoimprovethebearingpropertyofabushiscalled

A. B. C. D.

Q.88) Volumetricstrainofabodyiszero(bodyisincompressible),ifitspoissonratiois A. B. C. D.

Q.89) Ifcohesionbetweenmoleculesofafluidisgreaterthanadhesionbetweenfluidandglass,thenthefreeleveloffluidinadippedglasstubewillbe

A. B. C. D.



Grinding

drilling

planing

turnig

DRDO

CDAC,Pune

CDot,Banglore

IITBombay

TunstenCarbideonly

tungstencarbideandtitaniumcarbide

tungstencarbideandcobalt

tungstencarbideandcobaltcarbide

HydrodynamicBearing

ballbearing

rollerbearing

hydrostaticbearing

East

West

North

South

24years

25years

20years

28years

25km/hr

28km/hr

32km/hr

noneoftheabove

blanking

piercing

perforating

punching

siliconcarbide

carbon

phosphorus

sulpher

doubled

halved

remainsame

increasebyfourtimes

Numerator:5,Denominator:12




Q.90) Amongtheconventional,machiningprocessmaximiumspecifiecenergyisconsumedin A. B. C. D.

Q.91) ThefamoussupercomputerPARAM10000isdevelopedby A. B. C. D.

Q.92) Thestraighgradesofcementedcarbidecuttingtoolmaterialscontain A. B.

C. D.

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

Q.94) Amenisfacingnorthwest.Heturns90degreeintheclockwisedirectionandthen135degreeintheanticlockwisedirection.WhichdirectionishefacingNow.?

A. B. C. D.

Q.95) Theaverageof5membersis21years.Iftheageoftheyoungestmemberbe5years.Findtheaverageageofthefamilyatthebirthoftheyoungestmember.

A. B. C. D.

Q.96) Apersoncovershalfofhisjournyat30km/hrandremainninghalf20km/hr.Theaveragespeedforthewholejournyis

A. B. C. D.

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

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

Q.99) IfmetallicwireisStrecheddoubledthenspecieficresistanceofwirewill A. B. C. D.

Q.100)Afteranincrementof7inboththenumeratoranddenominator,afractionchangeto3:4.Findtheorinalfraction

A. B. C. D.

Iof Mega Test Answer

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