ASE A5 Brakes Practice Test
Quiz by Cliff Kincaid
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- Q1
A pulsation is felt in the steering wheel only when the brakes are applied. Which is the following is most likely causing the condition?
A cupped tire
An out of round tire
Warped rear rotors
Front rotor lateral runout
30s - Q2
The traction control and stability control systems require input from which of the following sensors?
All of the above
Steering angle sensor
Wheel speed sensor
Yaw rate sensor
30s - Q3
Which of the following lubricants are used to lubricate rubber brake components while preforming a brake job.
High temperature silicon-based lubricant
Petroleum-based lubricant
Both A and B
Neither A or B
30s - Q4
A technicians inspects the brakes on a vehicle with four wheel disc brakes and a vacuum assist brake booster. After pumping the brake pedal several times, the technician starts the engine and the pedal drops 1/4 of an inch towards the floor. Which of the following statements is correct?
This is normal
The brake booster is faulty
The master cylinder is faulty
There is air in the brake system
30s - Q5
The customer states the TCS (traction control system's) warning light sometimes flashes while accelerating from a stoplight. Technician A says the TCS system controls wheel spin while accelerating on slippery surfaces. Technician B says it is normal for the warning light to flash when the system is active. Who is correct?
A only
B only
Both A and B
Neither A or B
30s - Q6
After a test drive, one brake rotor is much hotter than the others. Which on the following is the most likely causing this condition?
A frozen brake caliper
Frozen slide pins
A sticking caliper piston seal
Aerated brake fluid
30s - Q7
The control module has illuminated the ESP warning lamp on a vehicle equipped with ESP traction control. The car had a four-wheel alignment, and the hydraulic brake system and pads are in good condition and not dragging. Which of these is most likely causing this condition?
The lateral acceleration sensor
The steering angle sensor
A wheel speed sensor
The yaw rate sensor
30s - Q8
One of the brake shoes on a rear drum brakes has worn more than the other. Which of the following is causing his condition?
Over adjusted brake shoes
A sticking wheel cylinder
Weak brake springs
A leaking wheel cylinder
30s - Q9
A vehicle with a four-wheel disc ABS brake system has a slight clicking sound when it's first started in the morning. The noise goes away after a few seconds. Which of the following is most likely making the noise?
The brake switch
The ABS motor assembly
The brake pads are shifting
The vacuum brake booster
30s - Q10
The rear drum brakes of a light truck are locking up with only light pressure applied to the brake pedal. Which of the following is causing this condition?
A faulty proportioning valve
The pressure differential switch
A faulty metering valve
A faulty brake switch
30s - Q11
Which of the following brake fluid is silicon-based?
Dot 5.1
Dot 3
Dot 4
Dot 5
30s - Q12
A vehicle has a low brake pedal that slowly fades to the floorboard, causing the vehicle to creep forward at stoplights. An initial inspection indicates that the master cylinder reservoir is full, and no external leaks exist. Which of the following is causing this condition?
Contaminated brake fluid
Leaking master cylinder cup seals
Vacuum brake booster failure
A faulty metering valve
30s - Q13
The front of a passenger vehicle has a growling sound that increases in intensity while making left hand turns. The most likely cause of this sound is?
Excessive rotor lateral run out
A faulty left front wheel bearing
A worn outer CV-Joint
A faulty right front wheel bearing
30s - Q14
Technician A says accumulators are found only on non-integral ABS systems. Technicians B says some integral ABS units contain high-pressure accumulators that must be discharged before repair. Who is correct?
A only
B only
Both A and B
Neither A or B
30s - Q15
The master cylinder reservoir cap gasket is swollen and deformed. The cap fits tight, and there are no external leaks found. Technician A says this could be caused by contaminated brake fluid. Technician B says brake fluid is hydroscopic and readily absorbs moisture from the air. Who is correct?
A only
B only
Both A and B
Neither A or B
30s