A5 Brakes Certification Practice Test Answers
6.

A Answer A is wrong. A restricted LF brake line will cause the vehicle to pull to the right when braking.

B Answer B is correct. A frozen RF caliper will cause the vehicle to pull to the left when braking.

C Answer C is wrong. Technician B is correct.

D Answer D is wrong. Technician B is correct.

Return    Learn more about brake calipers.
7.

A Answer A is wrong. Both Technicians are correct.

B Answer B is wrong. Both Technicians are correct.

C Answer C is correct. An under adjusted brake pedal will cause a low brake pedal. Excessive heat damages brake fluid resulting in a spongy or low brake pedal.

D Answer D is wrong. Both Technicians are correct.

Return    Learn more about brake pedal inspection.
8.

A Answer A is wrong. Low brake booster vacuum leaves a vehicle with a hard brake peddle.

B Answer B is correct. A master cylinder can have an internal leak (seals) or an external leak causing the pedal to fade to the floor. Do a complete visual inspection first.

C Answer C is wrong. Technician B is correct.

D Answer D is wrong. Technician B is correct.

Return    Learn more about master cylinders.
9.

A Answer A is wrong. Different size tires will affect the signal from the speed sensors.

B Answer B is correct. Some ABS systems use an accumulator that holds brake fluid under high pressure.

C Answer C is wrong. Technician B is correct.

D Answer D is wrong. Technician B is correct.

Return    Learn more about wheel speed sensors.
10.

A Answer A is wrong. The metering valve delays front brake application to compensate for the rear drum shoe springs.

B Answer B is wrong. The pressure differential switch warns the driver of a hydraulic leak.

C Answer C is correct. The proportioning valve prevents rear wheel lockup.

D Answer D is wrong. The brake switch is part of the brake light system.

Return    Learn more about the proportioning valve.
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