STATE BRAKE CERTIFICATION
A cracked or torn vacuum diaphragm in a brake power booster would most likely cause: -
correct answer a hard pedal feel requiring very high pedal effort to stop
to test a vacuum power brake booster in the vehicle, you should pump the brake pedal at least
4 times, hold the brake pedal depressed, and start the engine. the brake pedal should: - correct
answer drop slightly and remain firm
A mechanic finds gear lube inside both rear drums on a rear wheel drive vehicle. What is most
likely the cause of this problem? - correct answer a plugged axle
The rear brakes are dragging after having new linings installed and the drums machined. the
most likely cause is the: - correct answer technician use the parking brake to adjust shoes and
the cable is stuck
While test driving a car, the mechanic finds that the right front brake "grabs". The most likely
cause of this problem is: - correct answer brake fluid or grease on the brake linings
Which of the following incorrect service procedures will cause brake lock-up? - correct answer
master cylinder push rod adjusted too long
Which of the following incorrect service procedures could cause brake pedal pulsation? - correct
answer incorrect run-out on the car brake lathe
A common cause of pedal pulsation during brake application is: - correct answer NOT caused by
improperly torqued wheels, damaged backing plates, or lubricated shims
A properly functioning load sensing proportioning valve will: - correct answer cause an increase
in the hydraulic pressure during braking at the rear wheel cylinders when the vehicle is loaded.
A cracked or torn vacuum diaphragm in a brake power booster would most likely cause: -
correct answer a hard pedal feel requiring very high pedal effort to stop
to test a vacuum power brake booster in the vehicle, you should pump the brake pedal at least
4 times, hold the brake pedal depressed, and start the engine. the brake pedal should: - correct
answer drop slightly and remain firm
A mechanic finds gear lube inside both rear drums on a rear wheel drive vehicle. What is most
likely the cause of this problem? - correct answer a plugged axle
The rear brakes are dragging after having new linings installed and the drums machined. the
most likely cause is the: - correct answer technician use the parking brake to adjust shoes and
the cable is stuck
While test driving a car, the mechanic finds that the right front brake "grabs". The most likely
cause of this problem is: - correct answer brake fluid or grease on the brake linings
Which of the following incorrect service procedures will cause brake lock-up? - correct answer
master cylinder push rod adjusted too long
Which of the following incorrect service procedures could cause brake pedal pulsation? - correct
answer incorrect run-out on the car brake lathe
A common cause of pedal pulsation during brake application is: - correct answer NOT caused by
improperly torqued wheels, damaged backing plates, or lubricated shims
A properly functioning load sensing proportioning valve will: - correct answer cause an increase
in the hydraulic pressure during braking at the rear wheel cylinders when the vehicle is loaded.
