COMBINATION VEHICLES TEST QUESTIONS
WITH CORRECT ANSWERS 2025
WhenMshouldMyouMuseMtheMhandMvalveMtoMparkMaMcombinationMvehicle?M-MCORRECTMANSWER-
Never
WhichManswerMisMcorrectMforMtheMairMvalvesMwhenMtestingMtheMtrailerMserviceMbrakesMonly?M-
MCORRECTMANSWER-
ServiceMbrake:Moff,MparkingMbrake:Moff,MtrailerMairMsupply:Min/open,Mtrolley:Mapplied
HowMshouldMyouMtestMtheMtractorMtrailerMconnectionMforMsecurity?M-MCORRECTMANSWER-
PullMgentlyMforwardMinMlowMgearMagainstMtheMlockedMtrailerMbrakes,MthenMinspectMcoupling
WhichManswerMisMcorrectMforMtheMairMvalvesMwhenMtestingMtheMtrailerMspring/parkingMbrakesMonl
y?M-MCORRECTMANSWER-
ServiceMbrake:Moff,MparkingMbrakeMoff,MtrailerMairMsupply:Mout,Mtrolley:Mreleased
YourMemergencyMairMlineMbreaksMorMgetsMpulledMapartMwhileMdriving.MTheMlossMofMpressureMwillMc
auseMthe:M-MCORRECTMANSWER-EmergencyMtrailerMbrakesMtoMcomeMon
YouMsupplyMairMtoMtheMtrailerMtanksMby:M-MCORRECTMANSWER-
PushingMinMtheMtrailerMairMsupplyMvalve
ThereMareMtwoMthingsMthatMaMdriverMcanMdoMtoMpreventMaMrollMover.MTheyMare:MkeepMcargoMclose
MtoMgroundMand:M-MCORRECTMANSWER-GoMslowlyMaroundMturns
TheMfifthMwheelMlockingMleverMisMnotMlockedMafterMtheMjawsMcloseMaroundMtheMkingpin;MthisMmea
ns:M-MCORRECTMANSWER-
TheMcouplingMisMnotMrightMandMshouldMbeMfixedMbeforeMdrivingMtheMcoupledMunit
WITH CORRECT ANSWERS 2025
WhenMshouldMyouMuseMtheMhandMvalveMtoMparkMaMcombinationMvehicle?M-MCORRECTMANSWER-
Never
WhichManswerMisMcorrectMforMtheMairMvalvesMwhenMtestingMtheMtrailerMserviceMbrakesMonly?M-
MCORRECTMANSWER-
ServiceMbrake:Moff,MparkingMbrake:Moff,MtrailerMairMsupply:Min/open,Mtrolley:Mapplied
HowMshouldMyouMtestMtheMtractorMtrailerMconnectionMforMsecurity?M-MCORRECTMANSWER-
PullMgentlyMforwardMinMlowMgearMagainstMtheMlockedMtrailerMbrakes,MthenMinspectMcoupling
WhichManswerMisMcorrectMforMtheMairMvalvesMwhenMtestingMtheMtrailerMspring/parkingMbrakesMonl
y?M-MCORRECTMANSWER-
ServiceMbrake:Moff,MparkingMbrakeMoff,MtrailerMairMsupply:Mout,Mtrolley:Mreleased
YourMemergencyMairMlineMbreaksMorMgetsMpulledMapartMwhileMdriving.MTheMlossMofMpressureMwillMc
auseMthe:M-MCORRECTMANSWER-EmergencyMtrailerMbrakesMtoMcomeMon
YouMsupplyMairMtoMtheMtrailerMtanksMby:M-MCORRECTMANSWER-
PushingMinMtheMtrailerMairMsupplyMvalve
ThereMareMtwoMthingsMthatMaMdriverMcanMdoMtoMpreventMaMrollMover.MTheyMare:MkeepMcargoMclose
MtoMgroundMand:M-MCORRECTMANSWER-GoMslowlyMaroundMturns
TheMfifthMwheelMlockingMleverMisMnotMlockedMafterMtheMjawsMcloseMaroundMtheMkingpin;MthisMmea
ns:M-MCORRECTMANSWER-
TheMcouplingMisMnotMrightMandMshouldMbeMfixedMbeforeMdrivingMtheMcoupledMunit