PARTS TECHNICIAN QUESTIONS AND CORRECT VERIFIED ANSWERS

PARTS TECHNICIAN QUESTIONS AND
CORRECT VERIFIED ANSWERS
inventoryA2-A2Ans--AnA2accumulation
A2ofA2goodsA2orA2materialA2heldA2inA2stockA2orA2storage


LeadA2timeA2-A2Ans--
IsA2theA2timeA2betweenA2whenA2youA2placeA2anA2orderA2andA2whenA2itA2isA2inA2yourA2poss
essionA2andA2readyA2toA2sell

HydraulicsA2-A2Ans--
IsA2theA2engineeringA2scienceA2thatA2pertainsA2toA2theA2transmissionA2ofA2forceA2orA2motio
nA2throughA2aA2fluidA2medium

hydrodynamicsA2-A2Ans--
IsA2theA2areaA2ofA2hydraulicsA2thatA2pertainsA2toA2theA2transmissionA2ofA2forceA2orA2motion
A2throughA2theA2forceA2ofA2liquidsA2strikingA2anA2object


hydrostaticA2-A2Ans--
IsA2theA2areaA2ofA2hydraulicsA2thatA2pertainsA2toA2theA2transmissionA2ofA2forceA2orA2motion
A2usingA2confinedA2liquids


AccumulatorA2-A2Ans--
AreA2devicesA2installedA2itA2inA2hydraulicA2systemsA2eitherA2toA2storeA2hydraulicA2energyA2
orA2toA2absorbA2shock

ActuatorA2-A2Ans--
IsA2aA2deviceA2thatA2convertsA2hydraulicA2powerA2intoA2mechanicalA2power

DirectionalA2controlA2valvesA2-A2Ans--
ControlA2fluidA2flowA2directionA2inA2aA2hydraulicA2system

FlowA2controlA2valveA2-A2Ans--

EccentricA2-A2Ans--AA2diskA2mountedA2off-
centerA2onA2aA2revolvingA2shaft.A2TheA2eccentricA2convertsA2rotaryA2motionA2toA2linearA2m
otion

FlowA2rateA2-A2Ans--
DescribesA2theA2volumeA2ofA2aA2fluidA2passingA2aA2givenA2pointA2inA2aA2givenA2periodA2ofA2
time

FluidA2-A2Ans--AA2substanceA2thatA2flows

,ForceA2-A2Ans--AA2pushA2orA2aA2pull

HeadA2PressureA2-A2Ans--
PressureA2causedA2byA2theA2weightA2ofA2theA2hydraulicsA2fluidA2aboveA2theA2reservoirA2ou
tletA2isA2referredA2toA2as

HeatA2exchangersA2-A2Ans--EitherA2addA2orA2removeA2heatA2fromA2theA2hydraulicA2fluid

HydraulicA2CylindersA2-A2Ans--
ConvertsA2hydraulicA2energyA2intoA2aA2linearA2mechanicalA2energy

HydraulicA2filterA2andA2strainersA2-A2Ans--
AreA2usedA2toA2removeA2contaminationA2fromA2theA2hydraulicA2fluid

HydraulicA2motorsA2-A2Ans--
OrA2devicesA2thatA2convertA2hydraulicA2energyA2intoA2rotationalA2mechanicalA2energy

MassA2-A2Ans--IsA2theA2amountA2ofA2materialA2inA2anA2object

orificeA2-A2Ans--IsA2aA2deviceA2usedA2toA2provideA2restrictionA2toA2liquidA2flow

PowerA2-A2Ans--IsA2theA2amountA2ofA2workA2doneA2inA2aA2givenA2periodA2ofA2time

pressureA2-A2Ans--IsA2definedA2asA2theA2forceA2perA2unitA2area

PressureA2controlA2valvesA2-A2Ans--
AreA2eitherA2normallyA2openA2orA2normallyA2closedA2dependingA2uponA2theA2applicationA2i
nA2aA2hydraulicA2system

PressureA2switchesA2-A2Ans--
EitherA2openA2orA2closeA2anA2electricalA2currentA2atA2aA2predeterminedA2pressure

PrimeA2moversA2-A2Ans--
IsA2theA2deviceA2thatA2suppliesA2theA2energyA2toA2powerA2theA2hydraulicA2system

pumpA2-A2Ans--IsA2aA2deviceA2thatA2convertsA2mechanicalA2powerA2intoA2hydraulicA2power

TorqueA2-A2Ans--aA2turningA2orA2twistingA2force

vacuumA2-A2Ans--IsA2theA2absenceA2ofA2pressure

VelocityA2-A2Ans--IsA2theA2rateA2ofA2motionA2orA2speed

VolumeA2-A2Ans--IsA2theA2internalA2capacityA2ofA2aA2spaceA2orA2chamber

workA2-A2Ans--IsA2theA2productA2ofA2forceA2actingA2throughA2aA2distance

,Pascal'sA2LawA2-A2Ans--
PressureA2exertedA2byA2aA2confinedA2fluidA2actsA2undiminishedA2equallyA2inA2allA2direction
s.

RelationshipsA2ofA2pressureA2areaA2andA2forceA2-A2Ans--
Force=A2areaA2xA2pressureA2AlsoA2refersA2toA2theA2tradeA2personsA2triangle.

FunctionsA2ofA2HydraulicA2FluidA2-A2Ans--
ToA2transmitA2power,toA2lubricate,A2toA2seal,A2andA2toA2cool

EPA2-A2Ans--ExtremeA2pressure

ViscosityA2IndexA2-A2Ans--
RefersA2toA2theA2amountA2thatA2theA2oilsA2viscosityA2changesA2withA2temperature(VI)

boundaryA2lubricationA2-A2Ans--
RefersA2toA2aA2conditionA2whereA2minuteA2imperfectionsA2onA2theA2surfaceA2ofA2movingA2p
artsA2areA2inA2contact

SedimentationA2-A2Ans--
TheA2processA2ofA2allowingA2solidA2contaminationA2toA2settleA2outA2ofA2theA2fluidA2isA2know
nA2as

IngressedA2ContaminationA2-A2Ans--
RefersA2toA2theA2contaminationA2thatA2isA2introducedA2intoA2theA2systemA2whenA2itA2isA2ser
viced

OxidizationA2-A2Ans--
RefersA2toA2theA2reactionA2ofA2theA2hydraulicA2fluidA2toA2theA2oxygenA2inA2theA2air

AbsoluteA2ratingA2-A2Ans--
RefersA2toA2theA2smallestA2particleA2thatA2aA2filterA2canA2completelyA2removeA2fromA2theA2f
luidA2flow

HydraulicA2conductorsA2-A2Ans--
DescribesA2theA2pipes,A2tubing,A2hosesA2andA2relatedA2fittingsA2thatA2carryA2fluidA2flowA2an
dA2tieA2allA2theA2systemsA2ComponentsA2together.A2TheyA2areA2alsoA2commonlyA2callA2the
A2systemA2plumbing


NPTA2-A2Ans--NationalA2pipeA2thread

PumpA2DisplacementA2-A2Ans--
IsA2definedA2asA2theA2volumeA2ofA2theA2liquidA2thatA2theA2pumpA2deliversA2whenA2theA2pu
mpA2inputA2shaftA2isA2rotatedA2oneA2revolution

, CavitationA2-A2Ans--
OccursA2whenA2theA2hydraulicA2systemA2isA2notA2supplyingA2aA2sufficientA2amountA2ofA2flui
dA2toA2theA2pumpA2inletA2starvingA2theA2pump

ReversibleA2-A2Ans--HydraulicA2pumpA2thatA2canA2pumpA2fluidA2inA2eitherA2direction

VariableA2displacementA2-A2Ans--
DescribesA2aA2hydraulicA2pump'sA2output.A2AA2variableA2displacementA2pumpA2isA2adjusta
bleA2toA2beA2ableA2toA2deliverA2variableA2volumesA2ofA2fluidA2onA2eachA2strokeA2orA2revoluti
on

FrictionA2-A2Ans--
IsA2definedA2asA2theA2resistanceA2toA2relativeA2motionA2betweenA2anyA2twoA2bodiesA2inA2c
ontact

coefficientA2ofA2frictionA2-A2Ans--
TheA2degreeA2orA2theA2amountA2ofA2frictionA2betweenA2theA2twoA2bodiesA2isA2knownA2as

tractionA2-A2Ans--
TheA2coefficientA2ofA2frictionA2betweenA2theA2vehiclesA2tiresA2andA2theA2roadA2surface

AlternatingA2current(ac)A2-A2Ans--
ElectricalA2currentA2thatA2cyclesA2fromA2negativeA2toA2positive,A2thenA2fromA2positiveA2toA2
negative

AlternatorA2-A2Ans--
ProducesA2ACA2currentA2thatA2isA2changedA2toA2DCA2currentA2toA2chargeA2theA2batteryA2a
ndA2operateA2electricalA2components

LaminatedA2ironA2coreA2-A2Ans--
PiecesA2ofA2ironA2stackedA2andA2insulatedA2fromA2eachA2otherA2byA2varnishA2coatA2inA2the
A2statorA2toA2helpA2reduceA2heat


boostingA2-A2Ans--
ProceduresA2requiredA2whenA2theA2batteryA2inA2theA2vehicleA2isA2lowA2onA2chargeA2andA2y
ouA2needA2toA2startA2theA2engine

capacitorsA2-A2Ans--
ProtectA2electronicA2partsA2fromA2highA2currentA2spikesA2inA2theA2alternatorA2byA2absorbin
gA2andA2storingA2theseA2transientA2spikes

DielectricA2-A2Ans--
SubstanceA2thatA2isA2highlyA2resistantA2toA2theA2flowA2ofA2theA2electricA2current

DiodeA2bridgeA2-A2Ans--
TheA2sixA2diodesA2inA2anA2alternatorA2connectedA2togetherA2forA2changingA2ACA2toA2DC