SOS BRAKE & BRAKING SYSTEM Final Exam
2 Questions With 100% Correct Answers
Latest Versions 2025 A+
"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"
"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? - CORRECT ANSWER Defective metering valve"
"A car's wheels severely vibrate when the brakes are applied, which of the following is the LEAST likely
source of he problem? - CORRECT ANSWER The master cylinder"
"The brakes of a car squeal each time they are applied, which of the following is the LEAST likely source
of the noise? - CORRECT ANSWER Glazed brake pads"
"The brake lights on a car do not light when the brake pedal is depressed, which of the following is the
LEAST likely cause of the problem? - CORRECT ANSWER A burned out bulb."
"What does a load sensing proportioning valve do? - CORRECT ANSWER It increases the hydraulic
pressure during braking at the rear wheel cylinders when the vehicle is loaded"
"Most anit-lock brake systems require the removal of the pressure modulator fuse when: - CORRECT
ANSWER A "space-saver" spare tire is being used"
"When checking a newly turned drum before putting it back on, you notice a thread-like grooves in the
braking surface. Why are the grooves there? - CORRECT ANSWER The lathe was not adjusted properly
when the drum was turned"
"During a brake overhaul, you notice that the brake fluid seems to be very dirty and dark in color. What
should you do? - CORRECT ANSWER flush the system before the new parts are installed"
"In order to bleed the system on a vehicle equipped with power brakes: - CORRECT ANSWER None of
the above"
"Which of the following could be a symptom of over-torqued lug nuts? - CORRECT ANSWER A brake
pedal pulsation during braking."
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, "Which of the following describes the proper sequence to bleed brake lines on most rear wheel drive
vehicles: - CORRECT ANSWER RR, LR, RF, LF"
"In disc brake caliper assemblies, the "square cut seal" is usually located: - CORRECT ANSWER In the
caliper piston bore"
"Sliding caliper disc brake pads are kept in adjustment by the - CORRECT ANSWER Square cut piston
seal"
"When the brakes are applied on a car with disc-drum brakes, a vibration or pulsating movement is felt.
What can cause this problem? - CORRECT ANSWER 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: - CORRECT ANSWER Brake fluid or grease on the brake linings."
"Which of the following would most likely cause dragging brakes? - CORRECT ANSWER 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? - CORRECT ANSWER Dry backing plate contact surfaces."
"There is a scraping sound coming from one rear brake. The sound stops when the brakes are applied.
What is the likely cause of the problem? - CORRECT ANSWER A broken shoe hold-down spring or pin"
"If a drum brake self-adjuster seizes up, the likely result will be: - CORRECT ANSWER A low pedal"
"Which of the following can be used to check for rotor thickness variation? - CORRECT ANSWER Dial
indicator"
"On a vehicle with a disc/drum brake system, the rear wheels lock up under hard braking. The most
likely cause is: - CORRECT ANSWER A defective proportioning valve"
"After putting a bearing race in a hub, you notice that the new race is loose and can spin in the hub.
What should you do? - CORRECT ANSWER Replace the hub"
"When adjusting disc-drum brakes, you should: - CORRECT ANSWER Adjust the rear brakes after
releasing the parking brakes"
"What type of rotor surface provides the best braking with new pads? - CORRECT ANSWER A smooth,
flat surface"
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2 Questions With 100% Correct Answers
Latest Versions 2025 A+
"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"
"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? - CORRECT ANSWER Defective metering valve"
"A car's wheels severely vibrate when the brakes are applied, which of the following is the LEAST likely
source of he problem? - CORRECT ANSWER The master cylinder"
"The brakes of a car squeal each time they are applied, which of the following is the LEAST likely source
of the noise? - CORRECT ANSWER Glazed brake pads"
"The brake lights on a car do not light when the brake pedal is depressed, which of the following is the
LEAST likely cause of the problem? - CORRECT ANSWER A burned out bulb."
"What does a load sensing proportioning valve do? - CORRECT ANSWER It increases the hydraulic
pressure during braking at the rear wheel cylinders when the vehicle is loaded"
"Most anit-lock brake systems require the removal of the pressure modulator fuse when: - CORRECT
ANSWER A "space-saver" spare tire is being used"
"When checking a newly turned drum before putting it back on, you notice a thread-like grooves in the
braking surface. Why are the grooves there? - CORRECT ANSWER The lathe was not adjusted properly
when the drum was turned"
"During a brake overhaul, you notice that the brake fluid seems to be very dirty and dark in color. What
should you do? - CORRECT ANSWER flush the system before the new parts are installed"
"In order to bleed the system on a vehicle equipped with power brakes: - CORRECT ANSWER None of
the above"
"Which of the following could be a symptom of over-torqued lug nuts? - CORRECT ANSWER A brake
pedal pulsation during braking."
1|Page
, "Which of the following describes the proper sequence to bleed brake lines on most rear wheel drive
vehicles: - CORRECT ANSWER RR, LR, RF, LF"
"In disc brake caliper assemblies, the "square cut seal" is usually located: - CORRECT ANSWER In the
caliper piston bore"
"Sliding caliper disc brake pads are kept in adjustment by the - CORRECT ANSWER Square cut piston
seal"
"When the brakes are applied on a car with disc-drum brakes, a vibration or pulsating movement is felt.
What can cause this problem? - CORRECT ANSWER 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: - CORRECT ANSWER Brake fluid or grease on the brake linings."
"Which of the following would most likely cause dragging brakes? - CORRECT ANSWER 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? - CORRECT ANSWER Dry backing plate contact surfaces."
"There is a scraping sound coming from one rear brake. The sound stops when the brakes are applied.
What is the likely cause of the problem? - CORRECT ANSWER A broken shoe hold-down spring or pin"
"If a drum brake self-adjuster seizes up, the likely result will be: - CORRECT ANSWER A low pedal"
"Which of the following can be used to check for rotor thickness variation? - CORRECT ANSWER Dial
indicator"
"On a vehicle with a disc/drum brake system, the rear wheels lock up under hard braking. The most
likely cause is: - CORRECT ANSWER A defective proportioning valve"
"After putting a bearing race in a hub, you notice that the new race is loose and can spin in the hub.
What should you do? - CORRECT ANSWER Replace the hub"
"When adjusting disc-drum brakes, you should: - CORRECT ANSWER Adjust the rear brakes after
releasing the parking brakes"
"What type of rotor surface provides the best braking with new pads? - CORRECT ANSWER A smooth,
flat surface"
2|Page
