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STATE BRAKE CERTIFICATION Exam with correct Answers.
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STATE BRAKE CERTIFICATION Exam with correct Answers.
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STATE BRAKE CERTIFICATION Examwith correct Answers
A cracked or torn vacuum diaphragm in a brake power booster would most likely cause: -
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b ANS-a hard pedal feel requiring very high pedal effort to stop
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to test a vacuum power brake booster in the vehicle, you should pump the brake pedal at
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b least 4 times, hold the brake pedal depressed, and start the engine. the brake pedal
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b should: - ANS-drop slightly and remain firm
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A mechanic finds gear lube inside both rear drums on a rear wheel drive vehicle. What is
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b most likely the cause of this problem? - ANS-a plugged axle
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The rear brakes are dragging after having new linings installed and the drums machined.
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b the most likely cause is the: - ANS-technician use the parking brake to adjust shoes and
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b the cable is stuck
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While test driving a car, the mechanic finds that the right front brake "grabs". The most
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b likely cause of this problem is: - ANS-brake fluid or grease on the brake linings
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, Which of the following incorrect service procedures will cause brake lock-up? - ANS-
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master cylinder push rod adjusted too long
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Which of the following incorrect service procedures could cause brake pedal pulsation? -
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b ANS-incorrect run-out on the car brake lathe b b b b b b
A common cause of pedal pulsation during brake application is: - ANS-NOT caused by
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b improperly torqued wheels, damaged backing plates, or lubricated shims
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A properly functioning load sensing proportioning valve will: - ANS-cause an increase in
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b the hydraulic pressure during braking at the rear wheel cylinders when the vehicle is
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b loaded.
which of the following is a quick way to isolated a defective master cylinder? There are no
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b external leaks in the system. - ANS-pump up the brake pedal, then hold it firm. if the
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b pedal slowly drops to the floor, the master cylinder may be defective.
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After rebuilding a master cylinder, the rod between the master cylinder and booster
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b should be: - ANS-adjusted properly
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Upon inspecting brake fluid condition, the technician observes the diaphragm in the
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b master cylinder cup is swollen. Which of the following is the most likely cause? - ANS-
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silicone fluid added to the system
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