USPS 943 EXAM QUESTIONS WITH
ANSWERS 2025
1.AWhichAofAtheAfollowingAconditionsAwillAresultAwhenAaAbrakeAdrumAisAoutAofAround?
A.AaAlowApedal
B.AaAspongyApedal
C.AaAhighApedal
D.AaApulsatingApedal
E.AaAhardApedalA-AcorrectAanswers-D.AaApulsatingApedal
WhichAoneAofAtheAfollowingAemissionAcontrolAsystemsAisAcommonAtoAallAcarsAandAlightAtruc
ksAmadeAatAtheApresentAtimeAinAtheAU.S.?
A.AAIRA-AAirAInjectionAReaction
B.APCVA-APositiveACrankcaseAVentilation
C.ACCCA-AComputerAControlledACombustion
D.AIIA-AImprovedAIgnition
E.AACSA-AAirACleaningASystemA-AcorrectAanswers-B.APCVA-
APositiveACrankcaseAVentilation
3.AInAanAautomaticAtransmission,AwhichAofAtheAfollowingAisApartAofAaAplanetaryAgearAset?
A.Aimpeller
B.Amodulator
C.Apinion
D.Aalternator
E.ArotorA-AcorrectAanswers-C.Apinion
4.ADuringAaAcylinderAleakageAtest,AwhatAisAindicatedAwhenAairAescapesAthroughAtheAradiato
rAfromAtwoAadjacentAcylinders?
A.AwornAcylinderAwalls
B.AdefectiveAcylinderAheadAgasket
C.AleakingApistonArings
D.AwornAexhaustAvalves
E.AburntAintakeAvalvesA-AcorrectAanswers-B.AdefectiveAcylinderAheadAgasket
5.AWhichAofAtheAfollowingAwouldAcauseAaAsoft,AspongyAbrakeApedal?
A.AairAinAtheAhydraulicAsystem
B.AbentAcaliperAretainer
C.AwarpedArotors
D.AoutAofAroundAdrum
E.AlooseAlugAnutA-AcorrectAanswers-A.AairAinAtheAhydraulicAsystem
6.AAAPCVAvalveAisAcontrolledAbyAwhichAofAtheAfollowing?
A.AvalveAlifter
B.AthrottleAcable
C.AengineAvacuum
D.ArockerAarm
E.AexhaustApressureA-AcorrectAanswers-C.AengineAvacuum
7.AWhatAisAwrongAduringAaAcompressionAtest,AifAaAlowAcompressionAreadingAgoesAupAafterA
aAsmallAamountAofAoilAisAsquirtedAintoAaAsparkAplugAhole?
A.AdefectiveArockerAarm
ANSWERS 2025
1.AWhichAofAtheAfollowingAconditionsAwillAresultAwhenAaAbrakeAdrumAisAoutAofAround?
A.AaAlowApedal
B.AaAspongyApedal
C.AaAhighApedal
D.AaApulsatingApedal
E.AaAhardApedalA-AcorrectAanswers-D.AaApulsatingApedal
WhichAoneAofAtheAfollowingAemissionAcontrolAsystemsAisAcommonAtoAallAcarsAandAlightAtruc
ksAmadeAatAtheApresentAtimeAinAtheAU.S.?
A.AAIRA-AAirAInjectionAReaction
B.APCVA-APositiveACrankcaseAVentilation
C.ACCCA-AComputerAControlledACombustion
D.AIIA-AImprovedAIgnition
E.AACSA-AAirACleaningASystemA-AcorrectAanswers-B.APCVA-
APositiveACrankcaseAVentilation
3.AInAanAautomaticAtransmission,AwhichAofAtheAfollowingAisApartAofAaAplanetaryAgearAset?
A.Aimpeller
B.Amodulator
C.Apinion
D.Aalternator
E.ArotorA-AcorrectAanswers-C.Apinion
4.ADuringAaAcylinderAleakageAtest,AwhatAisAindicatedAwhenAairAescapesAthroughAtheAradiato
rAfromAtwoAadjacentAcylinders?
A.AwornAcylinderAwalls
B.AdefectiveAcylinderAheadAgasket
C.AleakingApistonArings
D.AwornAexhaustAvalves
E.AburntAintakeAvalvesA-AcorrectAanswers-B.AdefectiveAcylinderAheadAgasket
5.AWhichAofAtheAfollowingAwouldAcauseAaAsoft,AspongyAbrakeApedal?
A.AairAinAtheAhydraulicAsystem
B.AbentAcaliperAretainer
C.AwarpedArotors
D.AoutAofAroundAdrum
E.AlooseAlugAnutA-AcorrectAanswers-A.AairAinAtheAhydraulicAsystem
6.AAAPCVAvalveAisAcontrolledAbyAwhichAofAtheAfollowing?
A.AvalveAlifter
B.AthrottleAcable
C.AengineAvacuum
D.ArockerAarm
E.AexhaustApressureA-AcorrectAanswers-C.AengineAvacuum
7.AWhatAisAwrongAduringAaAcompressionAtest,AifAaAlowAcompressionAreadingAgoesAupAafterA
aAsmallAamountAofAoilAisAsquirtedAintoAaAsparkAplugAhole?
A.AdefectiveArockerAarm