ASE A5 PRACTICE TEST QUESTIONS
AND ANSWERS
1.vbOnvbavbcarvbwithvbdisc/drumvbbrakes,vbthevbfrontvbbrakesvbgrab
quicklyvbwhenvblightvbpedalvbpressurevbisvbapplied.vbThisvbproblem
couldvbbevbcausedvbbyvbavbbad:
A.vbproportioningvbvalve
B.vbpressurevbsafetyvbswitch
C.vbmeteringvbvalve
D.vbresidualvbcheckvbvalvevb-vbanswer--C
2.vbThevbdrivervbofvbavbvehiclevbwithvbpowervbdisc/drumvbbrakes
saysvbthatvbthevbbrakevbpedalvbmovesvbslowlyvbtovbthevbfloorvbwhile
maintainingvbpedalvbpressurevbatvbavbstoplight.vbWhatvbcould
causevbthisvbproblem?
A.vbleakingvbprimaryvbpistonvbcupvbinvbmastervbcylinder
B.vbleakingvbpowervbbrakevbbooster
C.vbleakingvbresidualvbcheckvbvalvevbinvbmastervbcylinder
D.vbinternalvbleakvbinvbthevbcombinationvbvalvevb-vbanswer--A
3.vbWhichvbofvbthevbfollowingvbwouldvbMOSTvbLIKELYvbhappen
ifvbthevbmeasurementsvbtakenvbfromvbthevbcheckvbshownvbabove
variedvbfromvbthevbmanufacturer'svbspecifications?
A.vbnoisyvbbrakevboperation
B.vbbrakevbgrabvborvbpull
C.vbpulsatingvbbrakevbpedal
D.vblowvbbrakevbpedalvb-vbanswer--C
4.vbWhatvbisvbthevbpurposevbofvbthevbmastervbcylindervbresidual
checkvbvalve(s)vbonvbvehiclesvbequippedvbwithvbdrumvbbrakes?
A.vballowsvbthevbdrivervbtovbpumpvbupvbthevbbrakes
B.vbpreventsvbairvbfromvbenteringvbthevbhydraulicvbsystem
C.vbpreventsvbwheelvblockupvbbyvbreducingvbthevbhydraulic
pressure
D.vbreducesvbpedalvbpulsationvbbyvbcontrollingvbhydraulic
pressurevb-vbanswer--B
5.vbAvbtechnicianvbhasvbjustvboverhauledvbthevbfrontvbbrakesvbonvba
vehiclevbwithvbfrontvbdiscvbandvbrearvbdrumvbbrakes.vbHowever,vbwhen
hevbattachesvbavbpressurevbbleedervb(pressurizedvbtovbaboutvb25
psi)vbtovbthevbmastervbcylinder,vbhevbcannotvbgetvbanyvbfluidvbtovbcome
outvbofvbthevbdiscvbbrakevbcalipervbbleedervbscrews.vbWhichvbofvbthe
followingvbisvbMOSTvbLIKELYvbthevbcause?
A.vbbadvbproportioningvbvalve
B.vbbadvbpressurevbdifferentialvbvalve
C.vbproportioningvbvalvevbreleasevbbuttonvbnotvbactivated
,D.vbmeteringvbvalvevbreleasevbbuttonvbnotvbactivatedvb-vbanswer--D
6.vbOnvbavbvehiclevbwithvbsinglevbpistonvbfloatingvbcalipervbfrontvbdisc
brakes,vbthevbbrakevbpadsvbonvbthevbleftvbsidevbofvbthevbvehiclevbare
almostvbcompletelyvbwornvbwhilevbthevbrightvbsidevbisvbalmostvbnew.
TechnicianvbAvbsaysvbthatvbtoovbmuchvbrotorvbrunoutvbcouldvbbe
thevbcause.vbTechnicianvbBvbsaysvbthatvbavbbindingvbcalipervbpiston
couldvbbevbthevbcause.vbWhovbisvbright?
A.vbTechnicianvbAvbonly
B.vbTechnicianvbBvbonly
C.vbBothvbAvbandvbB
D.vbNeithervbAvborvbBvb-vbanswer--B
7.vbWhatvbisvbthevbpurposevbofvbthevbbarvbthatvbisvbbeingvbremoved
fromvbthevbbrakevbassemblyvbshownvbbelow?
A.vbtovbequalizevbthevbbrakingvbforcevbbetweenvbthevbshoes
duringvbnormalvbbraking
B.vbtovbcentervbthevbshoesvbaftervbeachvbbrakevbapplication
C.vbtovbforcevbthevbshoesvbintovbthevbdrumvbwhenvbthevbparking
brakesvbarevbapplied
D.vbtovbreducevbthevbdistancevbbetweenvbthevbshoesvbandvbthe
drumvb-vbanswer--C
8.vbAvbhydraulicvbbrakevblinevbisvbleaking.vbWhichvbofvbthevbfollowingvbis
thevbcorrectvbrepairvbprocedure?
A.vbCutvboutvbthevbbadvbsectionvbandvbreplacevbwithvbnewvbsteel
tubingvbusingvbcompressionvbfittings.
B.vbReplacevbthevbleakingvblinevbwithvbdouble-flared,vbseamless
coppervbtubing.
C.vbCutvboutvbthevbbadvbsectionvbandvbreplacevbwithvbsingle-flared
steelvbtubingvbusingvbflarevbnutsvbandvbunions.
D.vbReplacevbthevbleakingvblinevbwithvbdouble-flaredvbsteel
tubing.vb-vbanswer--D
9.vbThevbset-upvbshownvbabovevbisvbusedvbtovbcheck:vb(dialvbindicatorvbonvbrotorvbface)
A.vbrotorvbparallelism
B.vbwheelvbbearingvbadjustment
C.vbrotorvblateralvbrunout
D.vbrotorvbfacevbwearvb-vbanswer--C
10.vbWhichvbofvbthevbfollowingvbproblemsvbwouldvbbevbcausedvbby
usingvbavbresidualvbcheckvbvalvevbinvbavbdiscvbbrakevbmastervbcylinder?
A.vbreducedvbbrakevbpedalvbtravel
B.vbreducedvbbrakevbsystemvbpressure
C.vbincreasedvbbrakevbpadvbwear
D.vbincreasedvbrotorvbrunoutvb-vbanswer--C
11.vbAvbcustomervbcomplainsvbthatvbtheirvbvehiclevbpullsvbtovbthe
rightvbwhenvbthevbbrakesvbarevbapplied.vbTechnicianvbAvbsays
avbrestrictedvbbrakevblinevbtovbthevbleftvbcalipervbcanvbcausevbthis
, problem.vbTechnicianvbBvbsaysvbavbmalfunctioningvbproportioning
valvevbisvbprobablyvbthevbcause.vbWhovbisvbright?
A.vbTechnicianvbAvbonly
B.vbTechnicianvbBvbonly
C.vbBothvbAvbandvbB
D.vbNeithervbAvborvbBvb-vbanswer--A
12.vbWithvbfootvbpressurevbapplied,vbthevbbrakevbpedalvbonvbavbvehicle
withvbvacuumvbassistedvbpowervbbrakesvbmovesvbdownvbslightly
whenvbthevbenginevbisvbstarted.vbTechnicianvbAvbsaysvbthatvbthis
conditionvbcanvbbevbcausedvbbyvbavbleakingvbpowervbbrakevbbooster
diaphragm.vbTechnicianvbBvbsaysvbthatvbthevbcausevbcouldvbbevba
faultyvbpowervbbrakevbboostervbcheckvbvalve.vbWhovbisvbright?
A.vbTechnicianvbAvbonly
B.vbTechnicianvbBvbonly
C.vbBothvbAvbandvbB
D.vbNeithervbAvborvbBvb-vbanswer--D
13.vbTechnicianvbAvbsaysvbthatvbthevbtoolvbshownvbabovevbisvbused
tovbadjustvbthevbbrakevbshoes.vbTechnicianvbBvbsaysvbthatvbthevbtool
shownvbabovevbisvbusedvbtovbdeterminevbthevbinsidevbdiametervbof
thevbdrum.vbWhovbisvbright?
A.vbTechnicianvbAvbonly
B.vbTechnicianvbBvbonly
C.vbBothvbAvbandvbB
D.vbNeithervbAvborvbBvb-vbanswer--A
14.vbThevbhydraulicvbsystemvbonvbavbvehiclevbwithvbintegralvbABSvbisvbto
bevbbled.vbTechnicianvbAvbsaysvbthatvbthevbfrontvbbrakesvbcanvbbevbbled
invbavbconventionalvbmanner.vbTechnicianvbBvbsaysvbthatvbbothvbfront
andvbrearvbbrakesvbcanvbonlyvbbevbbledvbusingvbthevbpressurevbfromvba
fullyvbchargedvbaccumulator.vbWhovbisvbright?
A.vbTechnicianvbAvbonly
B.vbTechnicianvbBvbonly
C.vbBothvbAvbandvbB
D.vbNeithervbAvborvbBvb-vbanswer--A
15.vbAvbdrivervbcomplainsvbthatvbthevbABSvbsystemvbonvbhisvbcar
engagesvbeveryvbtimevbhevbappliesvbthevbbrakesvbonvbavbcobblestone
roadwayvbhevbusesvbgoingvbback-and-forthvbtovbwork.vbThis
conditionvbmeansvbthat:
A.vbThevbsystemvbisvboperatingvbnormally.
B.vbThevbwheelsvbarevbtravelingvbatvbdifferentvbspeeds.
C.vbAvbwheelvbspeedvbsensor(s)vbisvbfaulty.
D.vbbothvbAvbandvbBvb-vbanswer--D
16.vbTwovbtechniciansvbarevbdiscussingvbthevbduo-servovbtype
drumvbbrakevbdesign.vbTechnicianvbAvbsaysvbthevbbrakevbliningvbon
thevbsecondaryvbshoevbisvbusuallyvblongervbandvbthickervbthanvbthe
brakevbliningvbonvbthevbprimaryvbshoe.vbTechnicianvbBvbsaysvbthe
AND ANSWERS
1.vbOnvbavbcarvbwithvbdisc/drumvbbrakes,vbthevbfrontvbbrakesvbgrab
quicklyvbwhenvblightvbpedalvbpressurevbisvbapplied.vbThisvbproblem
couldvbbevbcausedvbbyvbavbbad:
A.vbproportioningvbvalve
B.vbpressurevbsafetyvbswitch
C.vbmeteringvbvalve
D.vbresidualvbcheckvbvalvevb-vbanswer--C
2.vbThevbdrivervbofvbavbvehiclevbwithvbpowervbdisc/drumvbbrakes
saysvbthatvbthevbbrakevbpedalvbmovesvbslowlyvbtovbthevbfloorvbwhile
maintainingvbpedalvbpressurevbatvbavbstoplight.vbWhatvbcould
causevbthisvbproblem?
A.vbleakingvbprimaryvbpistonvbcupvbinvbmastervbcylinder
B.vbleakingvbpowervbbrakevbbooster
C.vbleakingvbresidualvbcheckvbvalvevbinvbmastervbcylinder
D.vbinternalvbleakvbinvbthevbcombinationvbvalvevb-vbanswer--A
3.vbWhichvbofvbthevbfollowingvbwouldvbMOSTvbLIKELYvbhappen
ifvbthevbmeasurementsvbtakenvbfromvbthevbcheckvbshownvbabove
variedvbfromvbthevbmanufacturer'svbspecifications?
A.vbnoisyvbbrakevboperation
B.vbbrakevbgrabvborvbpull
C.vbpulsatingvbbrakevbpedal
D.vblowvbbrakevbpedalvb-vbanswer--C
4.vbWhatvbisvbthevbpurposevbofvbthevbmastervbcylindervbresidual
checkvbvalve(s)vbonvbvehiclesvbequippedvbwithvbdrumvbbrakes?
A.vballowsvbthevbdrivervbtovbpumpvbupvbthevbbrakes
B.vbpreventsvbairvbfromvbenteringvbthevbhydraulicvbsystem
C.vbpreventsvbwheelvblockupvbbyvbreducingvbthevbhydraulic
pressure
D.vbreducesvbpedalvbpulsationvbbyvbcontrollingvbhydraulic
pressurevb-vbanswer--B
5.vbAvbtechnicianvbhasvbjustvboverhauledvbthevbfrontvbbrakesvbonvba
vehiclevbwithvbfrontvbdiscvbandvbrearvbdrumvbbrakes.vbHowever,vbwhen
hevbattachesvbavbpressurevbbleedervb(pressurizedvbtovbaboutvb25
psi)vbtovbthevbmastervbcylinder,vbhevbcannotvbgetvbanyvbfluidvbtovbcome
outvbofvbthevbdiscvbbrakevbcalipervbbleedervbscrews.vbWhichvbofvbthe
followingvbisvbMOSTvbLIKELYvbthevbcause?
A.vbbadvbproportioningvbvalve
B.vbbadvbpressurevbdifferentialvbvalve
C.vbproportioningvbvalvevbreleasevbbuttonvbnotvbactivated
,D.vbmeteringvbvalvevbreleasevbbuttonvbnotvbactivatedvb-vbanswer--D
6.vbOnvbavbvehiclevbwithvbsinglevbpistonvbfloatingvbcalipervbfrontvbdisc
brakes,vbthevbbrakevbpadsvbonvbthevbleftvbsidevbofvbthevbvehiclevbare
almostvbcompletelyvbwornvbwhilevbthevbrightvbsidevbisvbalmostvbnew.
TechnicianvbAvbsaysvbthatvbtoovbmuchvbrotorvbrunoutvbcouldvbbe
thevbcause.vbTechnicianvbBvbsaysvbthatvbavbbindingvbcalipervbpiston
couldvbbevbthevbcause.vbWhovbisvbright?
A.vbTechnicianvbAvbonly
B.vbTechnicianvbBvbonly
C.vbBothvbAvbandvbB
D.vbNeithervbAvborvbBvb-vbanswer--B
7.vbWhatvbisvbthevbpurposevbofvbthevbbarvbthatvbisvbbeingvbremoved
fromvbthevbbrakevbassemblyvbshownvbbelow?
A.vbtovbequalizevbthevbbrakingvbforcevbbetweenvbthevbshoes
duringvbnormalvbbraking
B.vbtovbcentervbthevbshoesvbaftervbeachvbbrakevbapplication
C.vbtovbforcevbthevbshoesvbintovbthevbdrumvbwhenvbthevbparking
brakesvbarevbapplied
D.vbtovbreducevbthevbdistancevbbetweenvbthevbshoesvbandvbthe
drumvb-vbanswer--C
8.vbAvbhydraulicvbbrakevblinevbisvbleaking.vbWhichvbofvbthevbfollowingvbis
thevbcorrectvbrepairvbprocedure?
A.vbCutvboutvbthevbbadvbsectionvbandvbreplacevbwithvbnewvbsteel
tubingvbusingvbcompressionvbfittings.
B.vbReplacevbthevbleakingvblinevbwithvbdouble-flared,vbseamless
coppervbtubing.
C.vbCutvboutvbthevbbadvbsectionvbandvbreplacevbwithvbsingle-flared
steelvbtubingvbusingvbflarevbnutsvbandvbunions.
D.vbReplacevbthevbleakingvblinevbwithvbdouble-flaredvbsteel
tubing.vb-vbanswer--D
9.vbThevbset-upvbshownvbabovevbisvbusedvbtovbcheck:vb(dialvbindicatorvbonvbrotorvbface)
A.vbrotorvbparallelism
B.vbwheelvbbearingvbadjustment
C.vbrotorvblateralvbrunout
D.vbrotorvbfacevbwearvb-vbanswer--C
10.vbWhichvbofvbthevbfollowingvbproblemsvbwouldvbbevbcausedvbby
usingvbavbresidualvbcheckvbvalvevbinvbavbdiscvbbrakevbmastervbcylinder?
A.vbreducedvbbrakevbpedalvbtravel
B.vbreducedvbbrakevbsystemvbpressure
C.vbincreasedvbbrakevbpadvbwear
D.vbincreasedvbrotorvbrunoutvb-vbanswer--C
11.vbAvbcustomervbcomplainsvbthatvbtheirvbvehiclevbpullsvbtovbthe
rightvbwhenvbthevbbrakesvbarevbapplied.vbTechnicianvbAvbsays
avbrestrictedvbbrakevblinevbtovbthevbleftvbcalipervbcanvbcausevbthis
, problem.vbTechnicianvbBvbsaysvbavbmalfunctioningvbproportioning
valvevbisvbprobablyvbthevbcause.vbWhovbisvbright?
A.vbTechnicianvbAvbonly
B.vbTechnicianvbBvbonly
C.vbBothvbAvbandvbB
D.vbNeithervbAvborvbBvb-vbanswer--A
12.vbWithvbfootvbpressurevbapplied,vbthevbbrakevbpedalvbonvbavbvehicle
withvbvacuumvbassistedvbpowervbbrakesvbmovesvbdownvbslightly
whenvbthevbenginevbisvbstarted.vbTechnicianvbAvbsaysvbthatvbthis
conditionvbcanvbbevbcausedvbbyvbavbleakingvbpowervbbrakevbbooster
diaphragm.vbTechnicianvbBvbsaysvbthatvbthevbcausevbcouldvbbevba
faultyvbpowervbbrakevbboostervbcheckvbvalve.vbWhovbisvbright?
A.vbTechnicianvbAvbonly
B.vbTechnicianvbBvbonly
C.vbBothvbAvbandvbB
D.vbNeithervbAvborvbBvb-vbanswer--D
13.vbTechnicianvbAvbsaysvbthatvbthevbtoolvbshownvbabovevbisvbused
tovbadjustvbthevbbrakevbshoes.vbTechnicianvbBvbsaysvbthatvbthevbtool
shownvbabovevbisvbusedvbtovbdeterminevbthevbinsidevbdiametervbof
thevbdrum.vbWhovbisvbright?
A.vbTechnicianvbAvbonly
B.vbTechnicianvbBvbonly
C.vbBothvbAvbandvbB
D.vbNeithervbAvborvbBvb-vbanswer--A
14.vbThevbhydraulicvbsystemvbonvbavbvehiclevbwithvbintegralvbABSvbisvbto
bevbbled.vbTechnicianvbAvbsaysvbthatvbthevbfrontvbbrakesvbcanvbbevbbled
invbavbconventionalvbmanner.vbTechnicianvbBvbsaysvbthatvbbothvbfront
andvbrearvbbrakesvbcanvbonlyvbbevbbledvbusingvbthevbpressurevbfromvba
fullyvbchargedvbaccumulator.vbWhovbisvbright?
A.vbTechnicianvbAvbonly
B.vbTechnicianvbBvbonly
C.vbBothvbAvbandvbB
D.vbNeithervbAvborvbBvb-vbanswer--A
15.vbAvbdrivervbcomplainsvbthatvbthevbABSvbsystemvbonvbhisvbcar
engagesvbeveryvbtimevbhevbappliesvbthevbbrakesvbonvbavbcobblestone
roadwayvbhevbusesvbgoingvbback-and-forthvbtovbwork.vbThis
conditionvbmeansvbthat:
A.vbThevbsystemvbisvboperatingvbnormally.
B.vbThevbwheelsvbarevbtravelingvbatvbdifferentvbspeeds.
C.vbAvbwheelvbspeedvbsensor(s)vbisvbfaulty.
D.vbbothvbAvbandvbBvb-vbanswer--D
16.vbTwovbtechniciansvbarevbdiscussingvbthevbduo-servovbtype
drumvbbrakevbdesign.vbTechnicianvbAvbsaysvbthevbbrakevbliningvbon
thevbsecondaryvbshoevbisvbusuallyvblongervbandvbthickervbthanvbthe
brakevbliningvbonvbthevbprimaryvbshoe.vbTechnicianvbBvbsaysvbthe
