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SOS brake & braking system Questions
and Correct Answers/ Latest Update /
Already Graded
In a single anchor bendix drum type rear brake
Ans: the secondary lining is longer than the primary
Compared to the secondary shoe lining areas of drum brakes, the
primary shoe lining area is:
Ans: smaller and goes toward the front of the car
During a brake overhaul, you notice that the brake fluid seems to be
very dirty and dark in color. What should you do?
Ans: flush the system before the new parts are installed
In order to bleed the system on a vehicle equipped with power brakes:
Ans: None of the above
Which of the following could be a symptom of over-torqued lug nuts?
Ans: A brake pedal pulsation during braking.
All rights reserved © 2025/ 2026 |
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Which of the following describes the proper sequence to bleed brake
lines on most rear wheel drive vehicles:
Ans: RR, LR, RF, LF
In disc brake caliper assemblies, the "square cut seal" is usually located:
Ans: In the caliper piston bore
When performing a caliper overhaul, what would you use to remove
the pistons from the calipers?
Ans: Compressed air
Sliding caliper disc brake pads are kept in adjustment by the
Ans: Square cut piston seal
A cracked or torn vacuum diaphragm in a power booster would likely
cause:
Ans: Hard pedal with very high effort required
When the brakes are applied on a car with disc-drum brakes, a
vibration or pulsating movement is felt. What can cause this problem?
All rights reserved © 2025/ 2026 |
, Page |3
Ans: A rotor thickness variation
While test driving a car, the mechanic finds that the right front brake
"grabs". The most likely cause of this problem is:
Ans: Brake fluid or grease on the brake linings.
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?
Ans: A leaking master cylinder primary piston seal.
A rattle is a single piston disc brake assembly which goes away when
the brakes are applied is most likely a result of:
Ans: Loose pads in the caliper
Which of the following would most likely cause dragging brakes?
Ans: A defective vehicle load sensor
With the car standing still, you can hear a squeaking noise when
applying the brake pedal slowly. What could cause this noise?
Ans: Dry backing plate contact surfaces.
All rights reserved © 2025/ 2026 |
SOS brake & braking system Questions
and Correct Answers/ Latest Update /
Already Graded
In a single anchor bendix drum type rear brake
Ans: the secondary lining is longer than the primary
Compared to the secondary shoe lining areas of drum brakes, the
primary shoe lining area is:
Ans: smaller and goes toward the front of the car
During a brake overhaul, you notice that the brake fluid seems to be
very dirty and dark in color. What should you do?
Ans: flush the system before the new parts are installed
In order to bleed the system on a vehicle equipped with power brakes:
Ans: None of the above
Which of the following could be a symptom of over-torqued lug nuts?
Ans: A brake pedal pulsation during braking.
All rights reserved © 2025/ 2026 |
, Page |2
Which of the following describes the proper sequence to bleed brake
lines on most rear wheel drive vehicles:
Ans: RR, LR, RF, LF
In disc brake caliper assemblies, the "square cut seal" is usually located:
Ans: In the caliper piston bore
When performing a caliper overhaul, what would you use to remove
the pistons from the calipers?
Ans: Compressed air
Sliding caliper disc brake pads are kept in adjustment by the
Ans: Square cut piston seal
A cracked or torn vacuum diaphragm in a power booster would likely
cause:
Ans: Hard pedal with very high effort required
When the brakes are applied on a car with disc-drum brakes, a
vibration or pulsating movement is felt. What can cause this problem?
All rights reserved © 2025/ 2026 |
, Page |3
Ans: A rotor thickness variation
While test driving a car, the mechanic finds that the right front brake
"grabs". The most likely cause of this problem is:
Ans: Brake fluid or grease on the brake linings.
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?
Ans: A leaking master cylinder primary piston seal.
A rattle is a single piston disc brake assembly which goes away when
the brakes are applied is most likely a result of:
Ans: Loose pads in the caliper
Which of the following would most likely cause dragging brakes?
Ans: A defective vehicle load sensor
With the car standing still, you can hear a squeaking noise when
applying the brake pedal slowly. What could cause this noise?
Ans: Dry backing plate contact surfaces.
All rights reserved © 2025/ 2026 |
