1.

Answer A is wrong. This is an except question. It is used on most vehicles with front disc and rear drum brakes.

Answer B is correct. The proportioning valve is a height sensing device.

Answer C is wrong. The metering valve gives the rear brakes a chance to over come the springs and engage
with the front brakes.

Answer D is wrong. This is an except question. It is often part of the combination valve.

Return     Learn more about the metering valve.
2.

Answer A is wrong. A closed brake switch would leave the brake lights on not off.

Answer B is correct. If both brake lights are out start with the fuse.

Answer C is wrong. Technician B is correct.

Answer D is wrong. Technician B is correct.

Return     Learn more about the brake switch and the brake light circuit.
5.

Answer A is wrong. Only Dot 5 is silicon based.

Answer B is wrong. Only Dot 5 is silicon based.

Answer C is wrong. Only Dot 5 is silicon based.

Answer D is correct. Dot 5 brake fluid is silicon based.

Return     Learn more about brake fluid.
4.

Answer A is wrong. Neither Technician A or B is correct.

Answer B is wrong. Neither Technician A or B is correct.

Answer C is wrong. Neither Technician A or B is correct.

Answer D is correct. A micrometer is used for measuring rotor thickness. A dial indicator is used to measure
lateral runout.

Return     Learn more about brake rotors.
3.

Answer A is wrong. Pump the brake pedal numerous times to relieve the vacuum from the brake booster. After
relieving the vacuum, start the engine and the pedal should move slightly toward the floor.

Answer B is correct. If the vehicle has a frozen front caliper it will pull to the other side while braking.

Answer C is wrong. Technician B is correct.

Answer D is wrong. Technician B is correct.

Return     Learn more about vacuum assist power brake boosters.
A-5 Brakes
Practice Test Answers
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Free A.S.E. Study Guide
An ASE Study Guide for the Automotive Technician