题目内容

Depressing the______ creates a mechanical force that is transmitted through pushrod to a piston in the master cylinder.

A. drum
B. brake pedal
C. wheel cylinder
D. disc

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Hydraulic brake systems utilize liquid to transfer force from the driver’s foot to the______ .

A. upper spring
B. backing plate
C. brake shoes
D. adjuster spring

This friction generated by the contacting______ and rotating drum, slows and eventually stops the wheels.

A. caliper
B. disc
C. brake shoes
D. backing plate

Releasing the brake pedal causes this action to reverse-with brake fluid returning to the______ .

A. brake shoe
B. master cylinder
C. caliper
D. lever pawl

The ______ can hold the vehicle on a grade and bringing the vehicle to a stop if the service brake fail.

A. service brake system
B. parking brake system
C. air brake system
D. hydraulic brake system

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