T4 ASE BRAKE QUIZ QUESTION 2017
AND DETAILED SOLVED SOLUTIONS
ALREADY GRADED A+ AND 100%
GUARANTEE PASS (BRAND NEW!!!!!!)
The maximum acceptable air leak on a straight truck (parking
brakes applied) is - THE CORRECT ANSWER-2 psi in one minute
The spring brakes on a truck should automatically apply when
air pressure to the push-pull valve on the dash drops to below -
THE CORRECT ANSWER-Between 20 and 40 so 30
A broken air compressor unloaded valve spring will most likely
cause - THE CORRECT ANSWER-Slow air buildup time
A compressor has a broken connecting rod the air compressor
crankshaft is blue which of the following could have caused the
air compressor to fail - THE CORRECT ANSWER-Restricted oil supply
Which of the following would be the most normal end play spec
for a set of tapered roller front wheel bearing - THE CORRECT
ANSWER-.001 to .005 inches
,When constant pressure is held on the service brake pedal on a
truck with hydraulic brakes it slowly falls to the floor there are
no extrnal brake fluid leaks which of the following could be the
cause - THE CORRECT ANSWER-The fluid is by-passing inside the
master cylinder
An air disc brake is being measured for thickness variation tech
a say two dial indicators can be used tech b says an outside
micrometer can be used who is correct - THE CORRECT ANSWER-Both
Which of the following is the correct way to test the inversion
valve - THE CORRECT ANSWER-Drain the primary tank and watch the
action of the parking brakes
What should be used to clean abs electric connectors - THE
CORRECT ANSWER-Alcohol
The fitting on a truck equipped with air brakes must be
stamped with - THE CORRECT ANSWER-Dot
The air lines used on a truck equipped with air brakes must be
stamped with - THE CORRECT ANSWER-Dot
What is a duplex gauge - THE CORRECT ANSWER-An example of a
duplex gauge is the dual air pressure gauge found on many
trucks. It is one gauge with two needles
Tech a say the same electronic control unit (Ecu) operates The
antilock braking systems (abs) on the tractor and trailer tech b
, says that if replacement tires are of different size from the
original tires the wheel speed sensor are affected what is correct
- THE CORRECT ANSWER-Tech b
Truck with disc brakes has dragging brakes says the calipers
may be sticking tech b says the master cylinder may be passing
fluid who is correct - THE CORRECT ANSWER-Tech a
What is the least likely cause of trailer abs failure - THE CORRECT
ANSWER-A failed abs electronic control unit
The function of the inversion valve is to - THE CORRECT ANSWER-
Modulate the tractor parking brakes in case of a primary air
tank failure
The air compressor will not unload - THE CORRECT ANSWER-Mostly
likely air leak
An abs hydraulic control unit makes a clicking noise for
approximately five seconds after starting the vehicle technician
a says that this indicates a low brake fluid level tech b says that
this is the initial self check of the hcu and is normal who is
correct - THE CORRECT ANSWER-Tech b
A broken air compressor unloader valve spring will most likely
cause - THE CORRECT ANSWER-Slow air buildup time
When draining the tanks the tech should - THE CORRECT ANSWER-
Drain the tank closest to the compressor
AND DETAILED SOLVED SOLUTIONS
ALREADY GRADED A+ AND 100%
GUARANTEE PASS (BRAND NEW!!!!!!)
The maximum acceptable air leak on a straight truck (parking
brakes applied) is - THE CORRECT ANSWER-2 psi in one minute
The spring brakes on a truck should automatically apply when
air pressure to the push-pull valve on the dash drops to below -
THE CORRECT ANSWER-Between 20 and 40 so 30
A broken air compressor unloaded valve spring will most likely
cause - THE CORRECT ANSWER-Slow air buildup time
A compressor has a broken connecting rod the air compressor
crankshaft is blue which of the following could have caused the
air compressor to fail - THE CORRECT ANSWER-Restricted oil supply
Which of the following would be the most normal end play spec
for a set of tapered roller front wheel bearing - THE CORRECT
ANSWER-.001 to .005 inches
,When constant pressure is held on the service brake pedal on a
truck with hydraulic brakes it slowly falls to the floor there are
no extrnal brake fluid leaks which of the following could be the
cause - THE CORRECT ANSWER-The fluid is by-passing inside the
master cylinder
An air disc brake is being measured for thickness variation tech
a say two dial indicators can be used tech b says an outside
micrometer can be used who is correct - THE CORRECT ANSWER-Both
Which of the following is the correct way to test the inversion
valve - THE CORRECT ANSWER-Drain the primary tank and watch the
action of the parking brakes
What should be used to clean abs electric connectors - THE
CORRECT ANSWER-Alcohol
The fitting on a truck equipped with air brakes must be
stamped with - THE CORRECT ANSWER-Dot
The air lines used on a truck equipped with air brakes must be
stamped with - THE CORRECT ANSWER-Dot
What is a duplex gauge - THE CORRECT ANSWER-An example of a
duplex gauge is the dual air pressure gauge found on many
trucks. It is one gauge with two needles
Tech a say the same electronic control unit (Ecu) operates The
antilock braking systems (abs) on the tractor and trailer tech b
, says that if replacement tires are of different size from the
original tires the wheel speed sensor are affected what is correct
- THE CORRECT ANSWER-Tech b
Truck with disc brakes has dragging brakes says the calipers
may be sticking tech b says the master cylinder may be passing
fluid who is correct - THE CORRECT ANSWER-Tech a
What is the least likely cause of trailer abs failure - THE CORRECT
ANSWER-A failed abs electronic control unit
The function of the inversion valve is to - THE CORRECT ANSWER-
Modulate the tractor parking brakes in case of a primary air
tank failure
The air compressor will not unload - THE CORRECT ANSWER-Mostly
likely air leak
An abs hydraulic control unit makes a clicking noise for
approximately five seconds after starting the vehicle technician
a says that this indicates a low brake fluid level tech b says that
this is the initial self check of the hcu and is normal who is
correct - THE CORRECT ANSWER-Tech b
A broken air compressor unloader valve spring will most likely
cause - THE CORRECT ANSWER-Slow air buildup time
When draining the tanks the tech should - THE CORRECT ANSWER-
Drain the tank closest to the compressor
