Exam (elaborations)
MICHIGAN CDL AIR BRAKES TEST WITH ALL ANSWERS UPDATED FULLY
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MICHIGAN CDL AIR BRAKES TEST WITH ALL ANSWERS UPDATED FULLY
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MICHIGAN CDL AIR BRAKESTEST WITH ALL ANSWERS
UPDATED FULLY
3 ndifferent nbraking nsystems nthat nmake nup nAir nBrakes n- ncorrect nanswer-Service nBrake, nParking
nBrake, nEmergency nBrake
Air nCompressor n- ncorrect nanswer-Pumps nair ninto nstorage ntanks nand nconnected nto nthe nengine
nvia ngears nor na nv-belt.
Air nCompressor nGovernor n- ncorrect nanswer-Controls nwhen nthe nair ncompressor nwill npump nair
ninto nthe nair nstorage ntanks. nWhen ntank npressure nrises nto nthe ncut-out nlevel, nthe ngovernor
, nstops nthe ncompressor nfrom npumping. nWhen nthe ntank npressure nfalls nto nthe ncut-in nlevel, nthe
ngovernor nallow nthe ncompressor nto npump nagain.
Cut-Out nLevel n- ncorrect nanswer-125 nPSI n(Governor nstops nthe ncompressor nfrom npumping nair)
Cut-In nLevel n- ncorrect nanswer-100 nPSI n(Governor nallows ncompressor nto nstart npumping nagain)
Air nStorage nTanks n- ncorrect nanswer-Holds nthe ncompressed nair.
Air nTank nDrains n- ncorrect nanswer-Valve nto ndrain noil nand nwater nfrom nthe ntanks.
Alcohol nEvaporator n- ncorrect nanswer-Puts nalcohol ninto nthe nair nsystem nto nreduce nrisk nof nice
nin nthe nvalves.
Safety nValve n- ncorrect nanswer-In nthe nfirst ntake nair nis npumped nin nto...protects nthe ntank nand
nsystem nfrom ntoo nmuch npressure. nSet nto nopen nat n150 nPSI.
Foundation nBrakes n- ncorrect nanswer-Used nat neach nwheel...most ncommon ntype nis nthe nS-Cam
ndrum nbrake.
Drums, nShoes nand nLinings n- ncorrect nanswer-Drums nlocated non neach nend nof nthe naxles.
nWheels nare nbolted nto nthe ndrums. nTo nstop, nthe nbrake nshoes nand nlinings nare npushed nagainst
nthe ninside nof nthe ndrum.
S-Cam nBrakes n- ncorrect nanswer-Pressure npushes nthe nrod nout, nmoving nthe nslack nadjuster,
nthus ntwisting nthe nbrake ncamshaft. nForces nthe nbrake nshoes naway nfrom none nanother nand
npresses nthem nagainst nthe ninside nof nthe nbrake ndrum.
Supply nPressure nGauges n- ncorrect nanswer-Tells nyou nhow nmuch npressure nis nin nthe nair ntanks.
nWill nbe none nfor neach nhalf nthe nthe nbrake nsystem nin ndual nair nbrake nsystems.
Application nPressure nGauge n- ncorrect nanswer-Shows nhow nmuch npressure nyou nare napplying nto
nbrakes. n(Not non nall nvehicles). nIncreasing npressure nto nhold nsame nspeed nmeans nbrakes nare
nfading. nSlow ndown nand nuse nlower ngear.
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