SOS brake & braking system Exam Questions and Answers
Question 1
When performing a caliper overhaul, what would you use to remove the pistons from the calipers?
Correct Answer
Compressed air
Question 2
Which of the following conditions does not dictate that the brake hydraulic system be flushed after the necessary repairs
have been made?
Correct Answer
Evidence of air in the system
Question 3
Technician A says a bad brake hose may cause a fluid leak. Technician B says a defective bake hose may cause a restriction
in the hydraulic circuit. Who is right?
Correct Answer
Both A & B
Page 1 of 23
,Question 4
The brakes of a car tend to drag, which of the following could be the cause?
Correct Answer
A stuck wheel cylinder or caliper piston
Question 5
Technician A uses a silencer belt only on brake rotors that have heavy heat checks while matching them. Technician B
always machines a brake rotor to the minimum thickness allowed. Who is right?
Correct Answer
Neither A or B
Question 6
Technician A says the diameter of a brake drum is measured with a brake drum micrometer and the measurement should
be taken in several locations. Technician B says the wall thickness of a brake drum should be measured with a micrometer.
Who is right?
Correct Answer
A only
Page 2 of 23
, Question 7
Technician A says it is normal for the amber "Anti-Lock Brake" lamp to light when the system is activated during braking.
Technician B says it is normal for the red "Anti-Lock Brake" lamp to be on whenever the ignition is on and the engine is off.
Who is right?
Correct Answer
Neither A or B
Question 8
While test driving a car, the mechanic finds that the right front brake "grabs". The most likely cause of this problem is:
Correct Answer
Brake fluid or grease on the brake linings.
Question 9
Technician A says that brake drums should never be matched beyond the maximum diameter designated on the drum.
Technician B says that a brake drum with more than 0.005 inch out-of-roundness should be machined true on a lathe. Who
is right?
Correct Answer
Both A & B
Page 3 of 23
Question 1
When performing a caliper overhaul, what would you use to remove the pistons from the calipers?
Correct Answer
Compressed air
Question 2
Which of the following conditions does not dictate that the brake hydraulic system be flushed after the necessary repairs
have been made?
Correct Answer
Evidence of air in the system
Question 3
Technician A says a bad brake hose may cause a fluid leak. Technician B says a defective bake hose may cause a restriction
in the hydraulic circuit. Who is right?
Correct Answer
Both A & B
Page 1 of 23
,Question 4
The brakes of a car tend to drag, which of the following could be the cause?
Correct Answer
A stuck wheel cylinder or caliper piston
Question 5
Technician A uses a silencer belt only on brake rotors that have heavy heat checks while matching them. Technician B
always machines a brake rotor to the minimum thickness allowed. Who is right?
Correct Answer
Neither A or B
Question 6
Technician A says the diameter of a brake drum is measured with a brake drum micrometer and the measurement should
be taken in several locations. Technician B says the wall thickness of a brake drum should be measured with a micrometer.
Who is right?
Correct Answer
A only
Page 2 of 23
, Question 7
Technician A says it is normal for the amber "Anti-Lock Brake" lamp to light when the system is activated during braking.
Technician B says it is normal for the red "Anti-Lock Brake" lamp to be on whenever the ignition is on and the engine is off.
Who is right?
Correct Answer
Neither A or B
Question 8
While test driving a car, the mechanic finds that the right front brake "grabs". The most likely cause of this problem is:
Correct Answer
Brake fluid or grease on the brake linings.
Question 9
Technician A says that brake drums should never be matched beyond the maximum diameter designated on the drum.
Technician B says that a brake drum with more than 0.005 inch out-of-roundness should be machined true on a lathe. Who
is right?
Correct Answer
Both A & B
Page 3 of 23
