Chapter 33 Drum Brakes

Which of the following is part of a star wheel in a drum brake?

• Button

• Socket

• Both

• Neither

Drum brake return springs can be which type?

• Integrated coil spring

• U-shaped spring

• Both

• Neither

_____________________ do just what their name suggests; they hold the brake shoes against the backing plate

• Specialty springs

• Return springs

• Hold-down springs

• None of these

__________________ are used to return links and levers on the parking brake system or the self-adjuster mechanism.

• Specialty springs

• Return springs

• Hold-down springs

• None of these

Which type of brake lining is typically used on light-duty vehicles?

• Bonded

• Rivet

• Both

• Neither

Which type of brake lining is typically used on heavy-duty vehicles?

• Bonded

• Rivet

• Both

• Neither

Which of the following can be found on a typical drum brake shoe?

• Holes

• Slots

• Tabs for springs

True or False. The composition of the lining material affects brake operation. Materials that provide good braking with low pedal pressures tend to lose efficiency when they get hot.

• True

• False

The ___________________ gets its name from using the servo action in both the forward and the reverse direction.

• twin leading shoe drum brake system

• leading/trailing shoe drum brake system

• duo-servo drum brake system

• none of these

___________________ are installed so the direction they are applied is the same as the forward rotation of the drum.

• Trailing shoes

• Leading shoes

• Stationary shoes

• none of these