STATE BRAKE CERTIFICATION | QUESTIONS AND
ANSWERS | UPDATED RATED A+ | 2026 | NEW EDITION
A cracked or torn vacuum diaphragm in a brake power booster would most likely cause:
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 mes, hold the brake pedal depressed, and start the engine. the brake pedal should:
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?
a plugged axle
The rear brakes are dragging a%er having new linings installed and the drums machined. the
most likely cause is the:
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:
brake fluid or grease on the brake linings
Which of the following incorrect service procedures will cause brake lock-up?
master cylinder push rod adjusted too long
Which of the following incorrect service procedures could cause brake pedal pulsa on?
incorrect run-out on the car brake lathe
A common cause of pedal pulsa on during brake applica on is:
NOT caused by improperly torqued wheels, damaged backing plates, or lubricated shims
A properly func oning load sensing propor oning valve will:
cause an increase in the hydraulic pressure during braking at the rear wheel cylinders when the
vehicle is loaded.
ANSWERS | UPDATED RATED A+ | 2026 | NEW EDITION
A cracked or torn vacuum diaphragm in a brake power booster would most likely cause:
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 mes, hold the brake pedal depressed, and start the engine. the brake pedal should:
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?
a plugged axle
The rear brakes are dragging a%er having new linings installed and the drums machined. the
most likely cause is the:
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:
brake fluid or grease on the brake linings
Which of the following incorrect service procedures will cause brake lock-up?
master cylinder push rod adjusted too long
Which of the following incorrect service procedures could cause brake pedal pulsa on?
incorrect run-out on the car brake lathe
A common cause of pedal pulsa on during brake applica on is:
NOT caused by improperly torqued wheels, damaged backing plates, or lubricated shims
A properly func oning load sensing propor oning valve will:
cause an increase in the hydraulic pressure during braking at the rear wheel cylinders when the
vehicle is loaded.
