SOS Mechanic Certification- Brakes Exam Questions and
Answers
Question 1
Which of the following is true about most properly functioning anti-lock brake systems?
Correct Answer
The brakes may lock up at speeds less than 10 miles per hour
Question 2
Which of the following is true about bleeding brake lines on most ABS equipped vehicles?
Correct 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 3
The brake warning light on the dash stays on all the time, which of the following could be the cause of the problem?
Correct Answer
A problem in the hydraulic circuit
Page 1 of 21
,Question 4
Which of the following describes the proper sequence to bleed brake lines on most rear wheel drive vehicles:
Correct Answer
RR, LR, RF, LF
Question 5
In disc brake caliper assemblies, the "square cut seal" is usually located:
Correct Answer
In the caliper piston bore
Question 6
Which of the following is the most likely cause of low fluid level in the master cylinder?
Correct Answer
Worn brake pads and linings
Question 7
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:
Correct Answer
The bleeding sequence for all systems begins with the left rear wheel.
Page 2 of 21
, Question 8
A car equipped with a vacuum assist power brake system reads an abnormal amount of pedal effort to stop the car, which
of the following could be the cause?
Correct Answer
A plugged booster air breather
Question 9
All of the following, EXCEPT one could cause the parking brakes to fail or not hold:
Correct Answer
Air in the system
Question 10
What type of rotor surface provides the best braking with new pads?
Correct Answer
A smooth, flat surface
Question 11
Which lining does most of the braking on a leading/trailing brake?
Correct Answer
primary shoe
Page 3 of 21
Answers
Question 1
Which of the following is true about most properly functioning anti-lock brake systems?
Correct Answer
The brakes may lock up at speeds less than 10 miles per hour
Question 2
Which of the following is true about bleeding brake lines on most ABS equipped vehicles?
Correct 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 3
The brake warning light on the dash stays on all the time, which of the following could be the cause of the problem?
Correct Answer
A problem in the hydraulic circuit
Page 1 of 21
,Question 4
Which of the following describes the proper sequence to bleed brake lines on most rear wheel drive vehicles:
Correct Answer
RR, LR, RF, LF
Question 5
In disc brake caliper assemblies, the "square cut seal" is usually located:
Correct Answer
In the caliper piston bore
Question 6
Which of the following is the most likely cause of low fluid level in the master cylinder?
Correct Answer
Worn brake pads and linings
Question 7
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:
Correct Answer
The bleeding sequence for all systems begins with the left rear wheel.
Page 2 of 21
, Question 8
A car equipped with a vacuum assist power brake system reads an abnormal amount of pedal effort to stop the car, which
of the following could be the cause?
Correct Answer
A plugged booster air breather
Question 9
All of the following, EXCEPT one could cause the parking brakes to fail or not hold:
Correct Answer
Air in the system
Question 10
What type of rotor surface provides the best braking with new pads?
Correct Answer
A smooth, flat surface
Question 11
Which lining does most of the braking on a leading/trailing brake?
Correct Answer
primary shoe
Page 3 of 21
