SOS MECHANIC CERTIFICATION- BRAKES EXAM

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SOS MECHANIC CERTIFICATION- BRAKES EXAM

QUESTIONS

Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -83 Questions and Answers

-Format: Multiple-choice / Flashcard

Question 1: Which of the following is true when inspecting wheel speed sensors?

Answer:

You should measure the air gap between the sensor and the reluctor wheel teeth

Question 2: This tool is used to?

Answer:

Adjust the brake shoes to the drum Question 3: If vacuum is present on both sides of the diaphragm in a brake booster:

Answer:

The brakes are being released Question 4: Which of the following is true about bleeding brake lines on most ABS equipped vehicles?

Answer:

Most ABS brake lines can be bled like a conventional (non-ABS) system. However, caution must be taken because of the extreme pressure.

Question 5: Which of the following is a true statement about proportioning valves?

Answer:

They provide better braking balance during hard stops Question 6: A common cause of pedal pulsation during brake application is:

Answer:

NOT caused by improperly torqued wheels, damaged backing plates, or lubricated shims Question 7: During a road test, you find that when normal breaking pressure is applied the pedal slowly goes to the floor. What is the likely cause of this problem?

Answer:

A leaking master cylinder primary piston seal.Question 8: Which of the following describes the correct sequence for bleeding brake lines on most front wheel drive vehicles?

Answer:

RR,LR, RF, LF

Question 9: You are installing a set of brake shoe linings that are not the same length.

Traditionally, the primary shoe lining is:

Answer:

Smaller and goes towards the front of the car.Question 10: Which of the following incorrect service procedures could cause brake pedal pulsation?

Answer:

incorrect run-out on the car brake lathe Question 11: The front brakes of a car equipped with disc brakes in the front and drum brakes in the rear, grab quickly as light pressure is applied to the brake pedal, which of the following could be the cause of the problem?

Answer:

Defective metering valve

Question 12: Which of the following is true about most properly functioning anti-lock brake systems?

Answer:

The brakes may lock up at speeds less than 10 miles per hour

Question 13: Which lining does most of the braking on a leading/trailing brake?

Answer:

primary shoe Question 14: What information might be found on a brake drum to help a mechanic?

Answer:

The maximum diameter dimension Question 15: A mechanic finds gear lube inside both rear brake drums on a rear wheel drive vehicle. What is the most likely cause of this problem?

Answer:

A plugged axle Question 16: After rebuilding a master cylinder, the rod between the master cylinder and

booster should be:

Answer:

adjusted properly Question 17: Which of the following describes the proper way to depressurized an ABS system?

Answer:

Pump the brake pedal at least 25 times (or more, depending on the manufacturer's recommendation) with the ignition off.Question 18: Flexible brake hoses should be replaced:

Answer:

when dampness is evident on the hose

Question 19: Which of the following would most likely cause dragging brakes?

Answer:

A defective vehicle load sensor

Question 20: On a 3-channel system, which wheels are on the same circuit?

Answer:

both rear wheels Question 21: All of the following procedures, EXCEPT one describe the correct method for bleeding the individual brakes on a car after the master cylinder has been bled:

Answer:

The bleeding sequence for all systems begins with the left rear wheel.Question 22: Which of the following would be the result of an inoperative ABS pump/motor

assembly:

Answer:

Conventional braking should still be available Question 23: All of the following are steps in the procedure for servicing a typical dual master

cylinder, EXCEPT:

Answer:

Clean the master cylinder with a degreasing solvent Question 24: 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:

Answer:

drop slightly and remain firm Question 25: In disc brake caliper assemblies, the "square cut seal" is usually located:

Answer:

In the caliper piston bore Question 26: When performing a caliper overhaul, what would you use to remove the pistons from the calipers?

Answer:

Compressed air