SOS brake & braking system Exam Review Questions and Answers 100% Pass

SOS brake & braking system Exam Review Questions and Answers
100% Pass

1. In a single anchor bendix drum type rear brake: the secondary lining is longer than the pri
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mary
2. Compared to the secondary shoe lining areas of drum brakes, the primary shoe lining
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area is:: smaller and goes toward the front of the car
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3. During a brake overhaul, you notice that the brake fluid seems to be very dirty and da
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rk in color. What should you do?: flush the system before the new parts are installed
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4. In order to bleed the system on a vehicle equipped with power brakes:: None of the above
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5. Which of the following could be a symptom of over-
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torqued lug nuts?: A brake pedal pulsation during braking.
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6. Which of the following describes the proper sequence to bleed brake lines on most rea
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r wheel drive vehicles:: RR, LR, RF, LF
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7. In disc brake caliper assemblies, the "square cut seal" is usually located:: In the caliper p
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iston bore c


8. When performing a caliper overhaul, what would you use to remove the pistons fro
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m the calipers?: Compressed air
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9. Sliding caliper disc brake pads are kept in adjustment by the: Square cut piston seal
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10. A cracked or torn vacuum diaphragm in a power booster would likely cause:: Har
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d pedal with very high effort required
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11. When the brakes are applied on a car with disc-
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drum brakes, a vibration or pulsating movement is felt. What can cause this problem?: A ro
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tor thickness variation
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12. While test driving a car, the mechanic finds that the right front brake "grabs". The mo
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st likely cause of this problem is:: Brake fluid or grease on the brake linings.
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13. During a road test, you find that when normal breaking pressure is applied the pedal sl
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owly goes to the floor. What is the likely cause of this problem?: A leaking master cylinder p
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rimary piston seal. c c




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, 14. A rattle is a single piston disc brake assembly which goes away when the brakes are a
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pplied is most likely a result of:: Loose pads in the caliper
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15. Which of the following would most likely cause dragging brakes?: A defec-
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tive vehicle load sensor
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16. With the car standing still, you can hear a squeaking noise when applying the brake pe
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dal slowly. What could cause this noise?: Dry backing plate contact surfaces.
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