SOS Mechanic Certification- Brakes Exam with correct Answers Updated!!

SOS MECHANIC CERTIFICATION- BRAKES EXAM
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WITH CORRECT ANSWERS
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1. Most 1995 & newer vehicles use which of the following types of wheels bearings on non-drive
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vv wheel? ..ANSWER>>> Sealed non-serviceable
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2. to test a vacuum power brake booster in the vehicle, you should pump the brake pedal at least 4 times,
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vv hold the brake pedal depressed, and start the engine. the brake pedal should
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..ANSWER>>> drop slightly and remain firm vv vv vv vv vv




3. You are installing a set of brake shoe linings that are not the same length. Traditionally, the primary shoe
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lining is
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..ANSWER>>> Smaller and goes towards the front of the car. v vv vv vv vv vv vv vv vv




4. A cracked or torn vacuum diaphragm in a brake power booster would most likely cause
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..ANSWER>>> a hard pedal feel requiring very high pedal effort to stop
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5. A mechanic finds gear lube inside both rear brake drums on a rear wheel drive vehicle.What is the
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vv most likely cause of this problem?
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v ..ANSWER>>> A plugged axle vvv vv vv




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, 6. Which of the following incorrect service procedures will cause brake lock-up?
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v ..ANSWER>>> master cylinder push rod adjusted too longv vv vv vv vv vv vv vv




7. Which of the following describes the proper way to depressurized an ABS system?
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v ..ANSWER>>> Pump the brake pedal at least 25 times (or more, depending on the manufacturer's
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vv recommendation) with the ignition off. vv vv vv vv




8. The rear brakes are dragging after having new linings installed and the drums machined. the most likely
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vv cause is the vv vv




..ANSWER>>> technician use the parking brake to adjust shoes and the cable is stuck
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9. When turning brake drums vv vv vv




..ANSWER>>> use a dampening strap to reduce chatter vvv vv vv vv vv vv vv




10. Which of the following is NOT a necessary drum brake measurement?
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v ..ANSWER>>>run-out




11. On a 3-channel system, which wheels are on the same circuit?
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..ANSWER>>> both rear wheels vvv vv vv




12. One way to test an ABS wheel speed signal is to use
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vv multimeter
..ANSWER>>> AC volts v vv vv




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