T4 ase brake quiz Practice Exam With
Questions And Correct Verified Answers
| 2026 Updated | 100% Assured Pass |
Already Graded A+ | Brand New
Version!!!!!!!
The three ports on a air governor are - CORRECT ANSWER Reservoir unloader exhaust
Air tank pressure valve on the the tanks will open at - CORRECT ANSWER 150 psi
Air is leaking from the quick release valve mounted on the front axle during a service brake
application - CORRECT ANSWER Quick release
A truck with abs needs the abs wheel speed sensor reluctor replaced how many teeth should
the new abs wheel speed sensor have - CORRECT ANSWER 100 teeth
What is the the minimum brake shoe line thickness on a s-cam drum brakes - CORRECT
ANSWER .250 inches
Tech a says that a wheel speed sensor sends a D.C. Voltage signals to the ecu tech b b says that
the frequency of ac voltage cycles is directly proportional to wheel speed who is correct -
CORRECT ANSWER Tech b
, The maximum acceptable air leak on a straight truck (parking brakes applied) is - 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 - CORRECT ANSWER Between 20 and 40 so 30
A broken air compressor unloaded valve spring will most likely cause - 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 - 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 - 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 - 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 - CORRECT ANSWER Both
Which of the following is the correct way to test the inversion valve - CORRECT ANSWER Drain
the primary tank and watch the action of the parking brakes
What should be used to clean abs electric connectors - CORRECT ANSWER Alcohol
The fitting on a truck equipped with air brakes must be stamped with - CORRECT ANSWER Dot
Questions And Correct Verified Answers
| 2026 Updated | 100% Assured Pass |
Already Graded A+ | Brand New
Version!!!!!!!
The three ports on a air governor are - CORRECT ANSWER Reservoir unloader exhaust
Air tank pressure valve on the the tanks will open at - CORRECT ANSWER 150 psi
Air is leaking from the quick release valve mounted on the front axle during a service brake
application - CORRECT ANSWER Quick release
A truck with abs needs the abs wheel speed sensor reluctor replaced how many teeth should
the new abs wheel speed sensor have - CORRECT ANSWER 100 teeth
What is the the minimum brake shoe line thickness on a s-cam drum brakes - CORRECT
ANSWER .250 inches
Tech a says that a wheel speed sensor sends a D.C. Voltage signals to the ecu tech b b says that
the frequency of ac voltage cycles is directly proportional to wheel speed who is correct -
CORRECT ANSWER Tech b
, The maximum acceptable air leak on a straight truck (parking brakes applied) is - 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 - CORRECT ANSWER Between 20 and 40 so 30
A broken air compressor unloaded valve spring will most likely cause - 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 - 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 - 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 - 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 - CORRECT ANSWER Both
Which of the following is the correct way to test the inversion valve - CORRECT ANSWER Drain
the primary tank and watch the action of the parking brakes
What should be used to clean abs electric connectors - CORRECT ANSWER Alcohol
The fitting on a truck equipped with air brakes must be stamped with - CORRECT ANSWER Dot
