SACA SILVER- PNEUMATIC TROUBLESHOOTING
EXAM 2 QUESTIONS WITH CORRECT ANSWERS
2025-2026
ALtechnicianLrecentlyLworkedLonLaLvacuumLliftLsystemLandLreplacedLallLtheLvacuumLcups.LNowLtheLliftLisLda
magingLtheLparts.LWhatLisLtheLmostLlikelyLcause?L-LCORRECTLANSWERSVacuumLCupLisLtooLbig
WhatLtroubleshootingLmethodLperformsLtestLbasedLonLcomponentsLknownLtoLcauseLtheLsymptoms?L-
LCORRECTLANSWERSSymptomLandLCause
HowLmanyLairLlinesLcanLgoLacrossLaLwalkway?L-LCORRECTLANSWERS0
WhatLcausesLaLQEVLtoLhaveLnoLairLexhaust?L-LCORRECTLANSWERSTotalLBlockage
IfLtheL______LofLaLquickLexhaustLvalveLdoesLnotLsealLproperly,LlessLairLwillLbeLsuppliedLtoLanLactuator?L-
LCORRECTLANSWERSDiaphragm
YouLgetLcalledLtoLaLmachineLbecauseLtheLvacuumLsystemLwillLnotLpickLupLtheLpart,LwhatLisLtheLmostLlikelyLis
sue?L-LCORRECTLANSWERSAirLLeakLinLVacuumLCup
WhatLisLtheLmostLlikelyLcauseLofLfastLactuatorLspeed?L-LCORRECTLANSWERSFCVLMisadjusted
MachineLwillLnotLrun,LwhileLtroubleshootingLyouLnoticeLtheLregulatorLhasLnoLpressure,LyouLcheckLtheLregul
atorLandLitLisLfine,LwhatLisLtheLmostLlikelyLcause?L-LCORRECTLANSWERSFilterLBlockedLPort
WhatLcausesLaLQEVLtoLhaveLaLdecreaseLinLexhaustLrate?L-LCORRECTLANSWERSPartialLBlockage
, AnLexhaustLrestrictorLworksLbyLcreatingLaL_____LinLtheLsystem?L-LCORRECTLANSWERSBackLPressure
YouLareLdoingLyourLPMMLandLnoticeLtheLlubricatorLbowlLisLcracked,LwhatLisLtheLmostLlikelyLcause?L-
LCORRECTLANSWERSIncompatibleLChemicals
WhatLtroubleshootingLmethodLchecksLtheLactuatorL1st,LFCVL2nd,LandLDCVL3rd?L-
LCORRECTLANSWERSOutput-Back
WhenLgettingLtoLaLlineLyouLnoticeLtheLactuatorLisLmovingLsluggishly,LwhatLisLtheLmostLlikelyLcause?L-
LCORRECTLANSWERSContamination
MostLcommonLcauseLofLactuatorLissues,LfirstLthingLtoLcheck?L-LCORRECTLANSWERSFCV
WhatLtroubleshootingLmethodLisLtheLleastLeffective?L-LCORRECTLANSWERSShotgun
YouLgetLcalledLtoLaLmachineLforLanLairLmotorLfailing,LyouLnoticeLthatLinLtheLsystemLtheyLareLnotLlastingLasLlo
ngLasLtheyLhaveLinLtheLpast,LyouLtrackLtheLissueLbackLtoLtheLlubricator.LWhatLcouldLcauseLtheLproblem?L-
LCORRECTLANSWERSLowLRateLofLLubricationLandLPartiallyLCloggedLPick-UpLTube
YouLhaveLerraticLcylinderLmovementLandLnoticeLitsLcausedLbyLaLbentLrod,LwhatLisLtheLleastLlikelyLcauseLofLaL
bentLrodLinLaLcylinder?L-LCORRECTLANSWERSLoadLExcessiveLforLCylinder
WhenLdoingLPMMLonLaLmachineLyouLnoticeLoilLdrippingLfromLaLDCVLexhaustLport,LwhatLisLtheLmostLcommo
nLcause?L-LCORRECTLANSWERSMisadjustedLFlowLRate
WhatLdeviceLisLmostLcommonlyLusedLtoLSenseLPressureLinLFluidL-LCORRECTLANSWERSDiaphragm
YouLgetLcalledLtoLaLmachineLforLaLregulatorLmakingLabnormalLsounds/chatter,LwhatLisLtheLmostLlikelyLissue
?L-LCORRECTLANSWERSBadLSpring
EXAM 2 QUESTIONS WITH CORRECT ANSWERS
2025-2026
ALtechnicianLrecentlyLworkedLonLaLvacuumLliftLsystemLandLreplacedLallLtheLvacuumLcups.LNowLtheLliftLisLda
magingLtheLparts.LWhatLisLtheLmostLlikelyLcause?L-LCORRECTLANSWERSVacuumLCupLisLtooLbig
WhatLtroubleshootingLmethodLperformsLtestLbasedLonLcomponentsLknownLtoLcauseLtheLsymptoms?L-
LCORRECTLANSWERSSymptomLandLCause
HowLmanyLairLlinesLcanLgoLacrossLaLwalkway?L-LCORRECTLANSWERS0
WhatLcausesLaLQEVLtoLhaveLnoLairLexhaust?L-LCORRECTLANSWERSTotalLBlockage
IfLtheL______LofLaLquickLexhaustLvalveLdoesLnotLsealLproperly,LlessLairLwillLbeLsuppliedLtoLanLactuator?L-
LCORRECTLANSWERSDiaphragm
YouLgetLcalledLtoLaLmachineLbecauseLtheLvacuumLsystemLwillLnotLpickLupLtheLpart,LwhatLisLtheLmostLlikelyLis
sue?L-LCORRECTLANSWERSAirLLeakLinLVacuumLCup
WhatLisLtheLmostLlikelyLcauseLofLfastLactuatorLspeed?L-LCORRECTLANSWERSFCVLMisadjusted
MachineLwillLnotLrun,LwhileLtroubleshootingLyouLnoticeLtheLregulatorLhasLnoLpressure,LyouLcheckLtheLregul
atorLandLitLisLfine,LwhatLisLtheLmostLlikelyLcause?L-LCORRECTLANSWERSFilterLBlockedLPort
WhatLcausesLaLQEVLtoLhaveLaLdecreaseLinLexhaustLrate?L-LCORRECTLANSWERSPartialLBlockage
, AnLexhaustLrestrictorLworksLbyLcreatingLaL_____LinLtheLsystem?L-LCORRECTLANSWERSBackLPressure
YouLareLdoingLyourLPMMLandLnoticeLtheLlubricatorLbowlLisLcracked,LwhatLisLtheLmostLlikelyLcause?L-
LCORRECTLANSWERSIncompatibleLChemicals
WhatLtroubleshootingLmethodLchecksLtheLactuatorL1st,LFCVL2nd,LandLDCVL3rd?L-
LCORRECTLANSWERSOutput-Back
WhenLgettingLtoLaLlineLyouLnoticeLtheLactuatorLisLmovingLsluggishly,LwhatLisLtheLmostLlikelyLcause?L-
LCORRECTLANSWERSContamination
MostLcommonLcauseLofLactuatorLissues,LfirstLthingLtoLcheck?L-LCORRECTLANSWERSFCV
WhatLtroubleshootingLmethodLisLtheLleastLeffective?L-LCORRECTLANSWERSShotgun
YouLgetLcalledLtoLaLmachineLforLanLairLmotorLfailing,LyouLnoticeLthatLinLtheLsystemLtheyLareLnotLlastingLasLlo
ngLasLtheyLhaveLinLtheLpast,LyouLtrackLtheLissueLbackLtoLtheLlubricator.LWhatLcouldLcauseLtheLproblem?L-
LCORRECTLANSWERSLowLRateLofLLubricationLandLPartiallyLCloggedLPick-UpLTube
YouLhaveLerraticLcylinderLmovementLandLnoticeLitsLcausedLbyLaLbentLrod,LwhatLisLtheLleastLlikelyLcauseLofLaL
bentLrodLinLaLcylinder?L-LCORRECTLANSWERSLoadLExcessiveLforLCylinder
WhenLdoingLPMMLonLaLmachineLyouLnoticeLoilLdrippingLfromLaLDCVLexhaustLport,LwhatLisLtheLmostLcommo
nLcause?L-LCORRECTLANSWERSMisadjustedLFlowLRate
WhatLdeviceLisLmostLcommonlyLusedLtoLSenseLPressureLinLFluidL-LCORRECTLANSWERSDiaphragm
YouLgetLcalledLtoLaLmachineLforLaLregulatorLmakingLabnormalLsounds/chatter,LwhatLisLtheLmostLlikelyLissue
?L-LCORRECTLANSWERSBadLSpring