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STATE BRAKE CERTIFICATION EXAM/33 QUESTIONS AND ANSWERS
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STATE BRAKE CERTIFICATION EXAM/33 QUESTIONS AND ANSWERS
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STATE BRAKE CERTIFICATIONEXAM/33 QUESTIONS AND ANSWERS
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 times, 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 after 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
pulsation? - -incorrect run-out on the car brake lathe
-A common cause of pedal pulsation during brake application is: - -NOT
caused by improperly torqued wheels, damaged backing plates, or lubricated
shims
-A properly functioning load sensing proportioning valve will: - -cause an
increase in the hydraulic pressure during braking at the rear wheel cylinders
when the vehicle is loaded.
-which of the following is a quick way to isolated a defective master
cylinder? There are no external leaks in the system. - -pump up the brake
pedal, then hold it firm. if the pedal slowly drops to the floor, the master
cylinder may be defective.
-After rebuilding a master cylinder, the rod between the master cylinder and
booster should be: - -adjusted properly
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