ASE T4 BRAKES EXAM QUESTIONS
|\ |\ |\ |\ |\
WITH ANSWERS |\
What is the maximum allowable clearance between the
|\ |\ |\ |\ |\ |\ |\ |\
clevis pin and the clevis collar? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔0.06 inches |\
What is the discard limit for most truck and trailer brake
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
drums? - CORRECT ANSWERS ✔✔Discard: 0.090"
|\ |\ |\ |\ |\
Maximum: 0.120" |\
Minimum: 0.060" |\
All of the hardware mounted on an __________ should be
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
inspected when performing a foundation brake service. -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Axle spider |\ |\ |\
S-camshafts should be inspected for ______ play, _____ |\ |\ |\ |\ |\ |\ |\ |\
play, flat spots and twisted splines. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔radial play; end play |\ |\ |\
Insufficient brake pedal ______ freeplay can force the |\ |\ |\ |\ |\ |\ |\ |\
master cylinder pistons forward slightly, allowing the
|\ |\ |\ |\ |\ |\ |\
compensating ports to be blocked. This can result in |\ |\ |\ |\ |\ |\ |\ |\ |\
brake drag. - CORRECT ANSWERS ✔✔pushrod
|\ |\ |\ |\ |\
,I misadjusted __________ switch can cause the brake lights
|\ |\ |\ |\ |\ |\ |\ |\
to be on all the time, resulting in battery drain. -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔stop light switch |\ |\ |\ |\
The stop light switch is a normally _____ switch that is
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
______ when the brakes are applied. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔open; closed
|\ |\
Which type of fluid is typically used in a hydro-boost
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
brake booster? - CORRECT ANSWERS ✔✔Power steering
|\ |\ |\ |\ |\ |\ |\
fluid
The specification for the maximum dimension of a brake
|\ |\ |\ |\ |\ |\ |\ |\ |\
drum can be found: - CORRECT ANSWERS ✔✔stamped
|\ |\ |\ |\ |\ |\ |\ |\
into the drum |\ |\
A _________ braking system is one in which braking
|\ |\ |\ |\ |\ |\ |\ |\ |\
pressure reaches each actuator simlutaneously -
|\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔proportional |\ |\
A _____-cylinder balanced air compressor does not have to
|\ |\ |\ |\ |\ |\ |\ |\
be timed to the engine upon installation; however, a
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
______-cylinder compressor does. - CORRECT ANSWERS |\ |\ |\ |\ |\ |\
✔✔two-cylinder; single-cylinder |\
, What happens when there is no air pressure in the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
primary brake circuit? - CORRECT ANSWERS ✔✔The
|\ |\ |\ |\ |\ |\ |\
primary piston travels in the bore and pushes the
|\ |\ |\ |\ |\ |\ |\ |\ |\
secondary piston to operate the secondary brakes; this |\ |\ |\ |\ |\ |\ |\ |\
creates a low pedal feel. |\ |\ |\ |\
The most likely cause of a swollen master cylinder cap
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
seal is contamination from ________. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\
✔✔petroleum-based lubricants.
|\ |\
Dirty brake fluid can plug the master cylinder ____ and
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
_______ ports, resulting in slow brake applications and
|\ |\ |\ |\ |\ |\ |\ |\
release times, as well as brake failure. - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔fill and compensating ports. |\ |\ |\ |\
A truck has a hard brake pedal. Which of the following is
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the most likely cause? - CORRECT ANSWERS ✔✔A failed
|\ |\ |\ |\ |\ |\ |\ |\ |\
brake booster |\
Two types of brake line tubing flares are used in trucks:
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
_____________ (ISO) and _________. - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\
✔✔International Organization for Standardization; double |\ |\ |\ |\ |\
flare
|\ |\ |\ |\ |\
WITH ANSWERS |\
What is the maximum allowable clearance between the
|\ |\ |\ |\ |\ |\ |\ |\
clevis pin and the clevis collar? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔0.06 inches |\
What is the discard limit for most truck and trailer brake
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
drums? - CORRECT ANSWERS ✔✔Discard: 0.090"
|\ |\ |\ |\ |\
Maximum: 0.120" |\
Minimum: 0.060" |\
All of the hardware mounted on an __________ should be
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
inspected when performing a foundation brake service. -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Axle spider |\ |\ |\
S-camshafts should be inspected for ______ play, _____ |\ |\ |\ |\ |\ |\ |\ |\
play, flat spots and twisted splines. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔radial play; end play |\ |\ |\
Insufficient brake pedal ______ freeplay can force the |\ |\ |\ |\ |\ |\ |\ |\
master cylinder pistons forward slightly, allowing the
|\ |\ |\ |\ |\ |\ |\
compensating ports to be blocked. This can result in |\ |\ |\ |\ |\ |\ |\ |\ |\
brake drag. - CORRECT ANSWERS ✔✔pushrod
|\ |\ |\ |\ |\
,I misadjusted __________ switch can cause the brake lights
|\ |\ |\ |\ |\ |\ |\ |\
to be on all the time, resulting in battery drain. -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔stop light switch |\ |\ |\ |\
The stop light switch is a normally _____ switch that is
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
______ when the brakes are applied. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔open; closed
|\ |\
Which type of fluid is typically used in a hydro-boost
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
brake booster? - CORRECT ANSWERS ✔✔Power steering
|\ |\ |\ |\ |\ |\ |\
fluid
The specification for the maximum dimension of a brake
|\ |\ |\ |\ |\ |\ |\ |\ |\
drum can be found: - CORRECT ANSWERS ✔✔stamped
|\ |\ |\ |\ |\ |\ |\ |\
into the drum |\ |\
A _________ braking system is one in which braking
|\ |\ |\ |\ |\ |\ |\ |\ |\
pressure reaches each actuator simlutaneously -
|\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔proportional |\ |\
A _____-cylinder balanced air compressor does not have to
|\ |\ |\ |\ |\ |\ |\ |\
be timed to the engine upon installation; however, a
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
______-cylinder compressor does. - CORRECT ANSWERS |\ |\ |\ |\ |\ |\
✔✔two-cylinder; single-cylinder |\
, What happens when there is no air pressure in the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
primary brake circuit? - CORRECT ANSWERS ✔✔The
|\ |\ |\ |\ |\ |\ |\
primary piston travels in the bore and pushes the
|\ |\ |\ |\ |\ |\ |\ |\ |\
secondary piston to operate the secondary brakes; this |\ |\ |\ |\ |\ |\ |\ |\
creates a low pedal feel. |\ |\ |\ |\
The most likely cause of a swollen master cylinder cap
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
seal is contamination from ________. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\
✔✔petroleum-based lubricants.
|\ |\
Dirty brake fluid can plug the master cylinder ____ and
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
_______ ports, resulting in slow brake applications and
|\ |\ |\ |\ |\ |\ |\ |\
release times, as well as brake failure. - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔fill and compensating ports. |\ |\ |\ |\
A truck has a hard brake pedal. Which of the following is
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the most likely cause? - CORRECT ANSWERS ✔✔A failed
|\ |\ |\ |\ |\ |\ |\ |\ |\
brake booster |\
Two types of brake line tubing flares are used in trucks:
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
_____________ (ISO) and _________. - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\
✔✔International Organization for Standardization; double |\ |\ |\ |\ |\
flare
