OILERS/PLANT TENDERS (HHC) CIVIL
SERVICE EXAM QUESTIONS AND
ANSWERS
Themtexturemofmanmaluminum-soapmlubricatingmgreasemism_________m-mStringy
Thempropertymofmamlubricantmthemallowsmitmtomadheremtommetallicmsurfacesmismknownmasm__
______m-mOiliness
ThemphysicalmappearancemofmamgreasemwithmamconsistencymnumbermofmfourmismMOSTmNE
ARLYm_________m-mHard
Themonemofmthemfollowingmmeasuresmthatmismcommonlymusedmtomrepresentmamratemofmoilmfe
edmismdropsmperm________m-mMinute
ThemMOSTmimportantmsinglempropertymofmamlubricatingmoilmismitsm__________m-mViscosity
Themratemofmchangeminmviscositymofmampetroleummoilmwithmitsmtemperaturemismindicatedmbymit
sm__________m-mViscositymIndex
Themneutralizationmnumbermofmanmoilmismanmindicationmofmitsm__________m-
mOrganicmormMineralmAcidity
Graphitemismamformmofm__________m-mAnthracitemCoal
ThemBASICmingredientminmthemmanufacturemofmlubricatingmgreasesmism__________m-mSoap
Amtestmofmgreasemthatmidentifiesmgreasesmandmindicatesmuniformityminmtheirmmanufacturemis
mknownmasmthem__________mtest.m-mDropping-Point
Thembearingmmaterialsmusuallymcalledm"whitemmetals"mormBabbitmmetalmconsistmMAINLYmof
m__________m-mTinmandmCopper
ItmismGOODmpracticeminmtheminstallationmofmthreemnewmpackingmringsminmamstuffingmboxmtomr
equiremthatmthemjointsmofmthempackingmbemspacedm__________mdegreesmapart.m-m120
,Themobjectiveminmthemusemofmapplicaorsmformwire-
ropemlubricationmismtomapplymamsmoothmevenmfilmmatmamtemperaturemconducivemtomthem____
______m-mPenetrationmofmthemwiremstrands
Themonemofmthemfollowingmmetalsmthatmismnon-ferrousmism__________m-mCopper
Themcommonmtermsm"heavy"mandm"light",mappliedmtomanmoil,mrefermONLYmtomthemoil'sm____
______m-mViscosity
Themringminmring-
oiledmbearingsmhasmamdiametermthatmismUSUALLYm__________mthemjournalmthemdiameter.m
-mTwice
Amboilermfeedwatermregulatormautomaticallymcontrolsmthem__________mthemboiler.m-
mWatermSupplymto
ThemdirtymoilmtombempurifiedminmanmoperatingmDeLavalmPurifiermentersmthempurifiermbowlmfro
mmthem__________m-mTopmofmthemmachine
ThemAPPROXIMATEmropmmofmamSharpiesmoilmpurifiermism__________m-m16,000
InmordermtomhavemeffectivemseparationmofmpurificationminmamDelavalmPurifier,mitmismrecomme
ndedmthatmthemoilmtombemcleanedmbemheatedmtomanmAPPROXIAMTEmtemperaturemofm_____
_____m-m160mdegreesmF
ThemonemofmthemfollowingmthatmismNOTmammethodmformremovingmcontaminantsmfrommoilmism_
_________m-mCentripeting
Anmenginemindicatormismanminstrumentmthatmismusedmonmamreciprocatingmenginemtomdetermi
nemthem__________mthemengine.m-mPerformancemof
ThemMAXIMUMmbearingmoilmdischargemtemperaturematmwhichmamturbinembeatingmmaymsati
sfactorilymoperatemism__________m-m200mdegreesmF
Generally,matmwhichmpointmshouldmamturbine-
drivenmgenerator,mwithmanmintegralmlubricatingmoilmsystem,mputmthemlubemoilmcoolerminmoper
ation?m-mWhenmthemtemperaturemofmthemhottestmbearingmreachesm100mdegreesmF
Inmmodernmpractice,mthemmethodmbymwhichmturbine-
generatormreductionmgearmsurfacesmNORMALLYmrecievemlubricationmoilmism__________m-
mPressuremCirculationmLubrication
LubricationmformmodernmreciprocationmairmcompressorsmismGENERALLYmsuppliedmbym___
_______m-mAmMechanicalmForce-FeedmOiler
, AftercoolersmaremputmonmMOSTmairmcompressorminstallationsmtom__________m-
mCondensemMoisturemfrommCompressedmAir
Ampipemfittingmhavingmammalemthreadmatmonemend,mamfemalemthreadmatmthemothermend,mandm
shapedmtomamninety-degreembendmismcalledma(n)m__________m-mStreetmElbow
ThemonemofmthemfollowingmactionsmthatmMUSTmbemtakenmduringmnormalmoperationmtomclean
mamknifemedgem(cuneo)mstrainermism__________m-mRotatingmthemCleanermBlades
Detergentsmaremusedminmlubricatingmoilsmtom__________m-
mKeepmInsolublemMatterminmSuspension
Thempurposemofmaddingmanminhibitormtomlubricatingmoilmismtom__________mthemengine.m-
mPreventmSludgemandmVarnishmFormationmonmPartsmof
Themrelationshipmbetweenmlubricatingmoilmviscositiesmandmtemperaturemismthatmthemviscositi
esm-mDecreasemwithmamTemperaturemIncrease
Themonsmofmthemfollowingmfluidsmthatmshouldmbemusedmwhenmcleaningmfiltermbagsmpressure-
typemlubemoilmfiltersmism__________m-mKerosene
Themprecaution,mormprecautions,mthatmanmoilermmustmtakemwhenmhemismusingmabsorbentmtyp
emlubricatingmoilmfiltersmismtom__________m-
mMakemSuremthatmthemParticularmOilmAdditivesmaremnotmRemovedmbymthemFilter
ThemspecificmgravitymofmlubricatingmoilmismUSUALLYmmeasuredmbymmeansmofmam________
__m-mHydrometer
Ofmthemfollowing,mthemMOSTmimportantmrequirementmofmamrefrigeratormlubricantmismthatmitmh
avem__________m-mFreedommfrommWater
ThemonemofmthemfollowingmfaultsmthatmwouldmMOSTmgenerallymcausemamsuddenmincreasemi
nmoilmpressureminmamlubricatingmlinemtomambearingmism__________m-mAmCloggedmStrainer
Themwickmusedminmamgravitymoil-feedmsystemmismUSUALLYmmademofm__________m-mWool
AmthrustmbearingmismLEASTmlikelymtombemfondmonma(n)m__________m-mReciprocatingmPump
AmvalvemthatmallowsmoilmtomflowminmonemdirectionmonlymismGENERALLYmcalledmam________
__mvalve.m-mCheck
ThemonemofmthemfollowingmtypesmofmoilsmMOSTmpreferredmformthemhydraulicmgovenormofmamr
eciprocatingmsteammenginemism__________moil.m-mNon-AdditivemTurbinemType
ThemonemofmthemfollowingmpumpsmthatmdoesmNOTmhavemmovingmpartsmtombemlubricatedmism
am__________mpump.m-mJet
SERVICE EXAM QUESTIONS AND
ANSWERS
Themtexturemofmanmaluminum-soapmlubricatingmgreasemism_________m-mStringy
Thempropertymofmamlubricantmthemallowsmitmtomadheremtommetallicmsurfacesmismknownmasm__
______m-mOiliness
ThemphysicalmappearancemofmamgreasemwithmamconsistencymnumbermofmfourmismMOSTmNE
ARLYm_________m-mHard
Themonemofmthemfollowingmmeasuresmthatmismcommonlymusedmtomrepresentmamratemofmoilmfe
edmismdropsmperm________m-mMinute
ThemMOSTmimportantmsinglempropertymofmamlubricatingmoilmismitsm__________m-mViscosity
Themratemofmchangeminmviscositymofmampetroleummoilmwithmitsmtemperaturemismindicatedmbymit
sm__________m-mViscositymIndex
Themneutralizationmnumbermofmanmoilmismanmindicationmofmitsm__________m-
mOrganicmormMineralmAcidity
Graphitemismamformmofm__________m-mAnthracitemCoal
ThemBASICmingredientminmthemmanufacturemofmlubricatingmgreasesmism__________m-mSoap
Amtestmofmgreasemthatmidentifiesmgreasesmandmindicatesmuniformityminmtheirmmanufacturemis
mknownmasmthem__________mtest.m-mDropping-Point
Thembearingmmaterialsmusuallymcalledm"whitemmetals"mormBabbitmmetalmconsistmMAINLYmof
m__________m-mTinmandmCopper
ItmismGOODmpracticeminmtheminstallationmofmthreemnewmpackingmringsminmamstuffingmboxmtomr
equiremthatmthemjointsmofmthempackingmbemspacedm__________mdegreesmapart.m-m120
,Themobjectiveminmthemusemofmapplicaorsmformwire-
ropemlubricationmismtomapplymamsmoothmevenmfilmmatmamtemperaturemconducivemtomthem____
______m-mPenetrationmofmthemwiremstrands
Themonemofmthemfollowingmmetalsmthatmismnon-ferrousmism__________m-mCopper
Themcommonmtermsm"heavy"mandm"light",mappliedmtomanmoil,mrefermONLYmtomthemoil'sm____
______m-mViscosity
Themringminmring-
oiledmbearingsmhasmamdiametermthatmismUSUALLYm__________mthemjournalmthemdiameter.m
-mTwice
Amboilermfeedwatermregulatormautomaticallymcontrolsmthem__________mthemboiler.m-
mWatermSupplymto
ThemdirtymoilmtombempurifiedminmanmoperatingmDeLavalmPurifiermentersmthempurifiermbowlmfro
mmthem__________m-mTopmofmthemmachine
ThemAPPROXIMATEmropmmofmamSharpiesmoilmpurifiermism__________m-m16,000
InmordermtomhavemeffectivemseparationmofmpurificationminmamDelavalmPurifier,mitmismrecomme
ndedmthatmthemoilmtombemcleanedmbemheatedmtomanmAPPROXIAMTEmtemperaturemofm_____
_____m-m160mdegreesmF
ThemonemofmthemfollowingmthatmismNOTmammethodmformremovingmcontaminantsmfrommoilmism_
_________m-mCentripeting
Anmenginemindicatormismanminstrumentmthatmismusedmonmamreciprocatingmenginemtomdetermi
nemthem__________mthemengine.m-mPerformancemof
ThemMAXIMUMmbearingmoilmdischargemtemperaturematmwhichmamturbinembeatingmmaymsati
sfactorilymoperatemism__________m-m200mdegreesmF
Generally,matmwhichmpointmshouldmamturbine-
drivenmgenerator,mwithmanmintegralmlubricatingmoilmsystem,mputmthemlubemoilmcoolerminmoper
ation?m-mWhenmthemtemperaturemofmthemhottestmbearingmreachesm100mdegreesmF
Inmmodernmpractice,mthemmethodmbymwhichmturbine-
generatormreductionmgearmsurfacesmNORMALLYmrecievemlubricationmoilmism__________m-
mPressuremCirculationmLubrication
LubricationmformmodernmreciprocationmairmcompressorsmismGENERALLYmsuppliedmbym___
_______m-mAmMechanicalmForce-FeedmOiler
, AftercoolersmaremputmonmMOSTmairmcompressorminstallationsmtom__________m-
mCondensemMoisturemfrommCompressedmAir
Ampipemfittingmhavingmammalemthreadmatmonemend,mamfemalemthreadmatmthemothermend,mandm
shapedmtomamninety-degreembendmismcalledma(n)m__________m-mStreetmElbow
ThemonemofmthemfollowingmactionsmthatmMUSTmbemtakenmduringmnormalmoperationmtomclean
mamknifemedgem(cuneo)mstrainermism__________m-mRotatingmthemCleanermBlades
Detergentsmaremusedminmlubricatingmoilsmtom__________m-
mKeepmInsolublemMatterminmSuspension
Thempurposemofmaddingmanminhibitormtomlubricatingmoilmismtom__________mthemengine.m-
mPreventmSludgemandmVarnishmFormationmonmPartsmof
Themrelationshipmbetweenmlubricatingmoilmviscositiesmandmtemperaturemismthatmthemviscositi
esm-mDecreasemwithmamTemperaturemIncrease
Themonsmofmthemfollowingmfluidsmthatmshouldmbemusedmwhenmcleaningmfiltermbagsmpressure-
typemlubemoilmfiltersmism__________m-mKerosene
Themprecaution,mormprecautions,mthatmanmoilermmustmtakemwhenmhemismusingmabsorbentmtyp
emlubricatingmoilmfiltersmismtom__________m-
mMakemSuremthatmthemParticularmOilmAdditivesmaremnotmRemovedmbymthemFilter
ThemspecificmgravitymofmlubricatingmoilmismUSUALLYmmeasuredmbymmeansmofmam________
__m-mHydrometer
Ofmthemfollowing,mthemMOSTmimportantmrequirementmofmamrefrigeratormlubricantmismthatmitmh
avem__________m-mFreedommfrommWater
ThemonemofmthemfollowingmfaultsmthatmwouldmMOSTmgenerallymcausemamsuddenmincreasemi
nmoilmpressureminmamlubricatingmlinemtomambearingmism__________m-mAmCloggedmStrainer
Themwickmusedminmamgravitymoil-feedmsystemmismUSUALLYmmademofm__________m-mWool
AmthrustmbearingmismLEASTmlikelymtombemfondmonma(n)m__________m-mReciprocatingmPump
AmvalvemthatmallowsmoilmtomflowminmonemdirectionmonlymismGENERALLYmcalledmam________
__mvalve.m-mCheck
ThemonemofmthemfollowingmtypesmofmoilsmMOSTmpreferredmformthemhydraulicmgovenormofmamr
eciprocatingmsteammenginemism__________moil.m-mNon-AdditivemTurbinemType
ThemonemofmthemfollowingmpumpsmthatmdoesmNOTmhavemmovingmpartsmtombemlubricatedmism
am__________mpump.m-mJet
