STATE BRAKES MECHANICS TEST QUESTIONS WITH CORRECT ANSWERS 2025

STATE BRAKES MECHANICS TEST QUESTIONS
WITH CORRECT ANSWERS 2025
WhatUbrakeUfluidsUareUcompatibleUwithUDOTU5.1?U-UCORRECTUANSWERU-DOTU3UandUDOTU4



WhatUcausesUtheUredUbrakeUwarningUlightUtoUcomeUon?U-UCORRECTUANSWERU-
LowUbrakeUfluid,UparkingUbrake,UpressureUdifferential,UbrakeUlampUswitch



WhatUcomponentUwillUcauseUtheUrearUbrakesUtoUcomeUonUharderUwithUheavyUload?U-UCORRECTUANSWERU-
HeightUsensingUproportioningUvalve



WhatUisUtheUvalveUcalledUthatUslowsUdownUtheUapplicationUofUtheUfrontUbrakes?U-UCORRECTUANSWERU-
MeteringUvalve



WhatUkindUofUbrakesUuseUaUresidualUcheckUvalveUinUtheUmasterUcylinder?U-UCORRECTUANSWERU-
AllUdrumUbrakeUsystems



WhatUproblemsUareUthereUifUtheUmasterUcylinderUcoverUsealUisUswollen?U-UCORRECTUANSWERU-
OilUorUmineralUoilUmixedUwithUbrakeUfluidU(petroleumUbased)



WhatUvalveUhelpsUtoUpreventUtheUrestUbrakesUfromUskidding?U-UCORRECTUANSWERU-ProportioningUvalve



WhatUhappensUitUyouUmixedUDITU5UwithUDOTU4UbrakeUfluid?U-UCORRECTUANSWERU-
BrakesUwouldUfailUoverUtimeU(UDOTU3,4,5.1-petroleumUbased,UDOTU5-siliconUbased)



WhereUinUtheUcombinationUvalveUareUtheUlinesUthatUgoUtoUtheUfrontUbrakes?U-UCORRECTUANSWERU-
InUtheUfront



WhereUonUtheUcombinationUvalveUdoesUfluidUenterUtheUMC?U-UCORRECTUANSWERU-TwoUlinesUonUtop



WhatUcausesUbrakeUfade?U-UCORRECTUANSWERU-
Heat,UwaterU(heatUmayUcauseUbrakeUfluidUtoUboilUandUpedalUtoUsink)

, WhatUportUinUtheUMCUfillsUtheUlowUpressureUchamber?U-UCORRECTUANSWERU-ReplenishingUport



HowUdoUyouUtestUforUanUinternallyUleakingUmasterUcylinder?U-UCORRECTUANSWERU-
PressULedaUandUseeUifUitUdrops,UpressUslowlyUseeUifUitUdrops,UseeUifUlevelUisUdropping



WhenUisUbrakeUfluidUconsideredUwet?U-UCORRECTUANSWERU-WhenUitUisUtwoUyearsUold



WhatUisUtheUproblemUwithUwetUbrakeUfluid?U-UCORRECTUANSWERU-LowerUboilingUpoint



IfUtheUvehicleUnoseUdivesUeveryUtimeUyouUapplyUtheUbrakes;UwhatUcomponentUwouldUbeUstuckUopen?U-
UCORRECTUANSWERU-MeteringUvalve




WhatUvalveUstuckUopenUcouldUcauseUtheUrearUtiresUtoUskidUduringUheavyUbrakeUapplication?U-
UCORRECTUANSWERU-ProportioningUvalve




WhatUkindUofUbrakeUsystemUdoesUnotUuseUDOTU5?U-UCORRECTUANSWERU-ABS



MistUvehiclesUuseUwhatUbrakeUfluid?U-UCORRECTUANSWERU-DOTU3U(cheapest)



WhatUportUinUtheUMCUisUcoveredUupUasUsoonUasUtheUbrakeUpedalUisUpressed?U-UCORRECTUANSWERU-
VentUport



WhatUvalvesUareUcontainedUinUaUcombinationUvalve?U-UCORRECTUANSWERU-
Metering,UpressureUdifferential,Uproportioning



DuringUbrakeUshoeUreplacementUprocedure,UwhenUshouldUtheUparkingUbrakeUbeUadjusted?U-
UCORRECTUANSWERU-AfterUtheUshoesUareUreplaced,UafterUserviceUbrakesUareUadjusted




IfUtheUrearUdeferentialUventUwasUclogged,UwhatUconditionUwouldUitUcause?U-UCORRECTUANSWERU-
LeakingUaxelUseal-UwaterUinUaxelUfluid