A vehicle with a vacuum brake booster has a hard pedal with little stopping power. Technician A says a kink in the check valve's hose will result in this condition. Technician B says a vacuum booster needs at least 12 Hg of vacuum to operate properly. Who is correct?
ASE A5 Brakes Practice Test

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Other
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10th Grade - University
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Hard
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45 questions
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1.
FLASHCARD QUESTION
Front
Back
Technician A only
2.
FLASHCARD QUESTION
Front
A vehicle has a low spongy brake pedal. Which of these is LEAST likely to result in this condition? Loose wheel bearings, Contaminated Brake Fluid, Worn Brake pads, Air in the hydraulic system.
Back
Worn Brake pads.
3.
FLASHCARD QUESTION
Front
Technician A says passive permanent magnet ABS wheel speed sensors produce an A/C voltage signal. Technician B says input from wheel speed sensors are used for anti-lock brake, electronic traction control, and electronic stability control systems. Who is correct?
Back
Both Technician A and B
4.
FLASHCARD QUESTION
Front
The brakes of a four wheel disc brake system are self-applying and locking up after only a few miles of travel. Which of the following is MOST likely the cause of this condition? A blocked master cylinder replenishing port. A blocked master cylinder vent port. Worn master cylinder cup seals. Low intake manifold vacuum.
Back
A blocked master cylinder vent port.
5.
FLASHCARD QUESTION
Front
A vehicle suffers from uneven pad wear. Technician A says to check for sticking slide pins. Technician B says this could be caused by a sticking caliper piston. Who is correct?
Back
Both Technician A and B
6.
FLASHCARD QUESTION
Front
A vehicle's right front wheel has a growl that increases with vehicle speed. The MOST likely cause is: Excessive rotor lateral run-out., Warped rear brake drums., Worn CV-joint., Worn wheel bearing.
Back
Worn wheel bearing.
7.
FLASHCARD QUESTION
Front
Two technicians are discussing master cylinder residual check valves. Technician A says the check valve is used on four wheel disc brake systems. Technician B says the valve maintains pressure when the brakes are released. Who is correct?
Back
Technician B only
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