Chapter 52 Disc Brakes Test Review

1. Which statement is false?

• Disc brakes automatically adjust as the pads wear

• Disc brakes are more resistant to water fade than drum brakes

• Disc brakes can handle more heat than drum brakes

• Drum brakes resist fading better than disc brakes.

15. A fixed caliper ____.

• Is bolted to the steering knuckle

• Has pistons on both sides of the rotor

• Does not move when the brakes are applied

• All of the answers are correct

14. Brake calipers are being discussed. Technician A says the bleeder screw is located at the bottom of the cylinder bore. Technician B says the fluid inlet hole is located at the top of the cylinder bore. Who is correct?

• A only

• B only

• Both A and B

• Neither A or B

13. Which statement about ceramic rotors is false?

• The vehicle's wheels stay cleaner because no black brake dust is released

• They have excellent fade resistance and stopping power

• They weigh half as much a conventional rotor, which reduces unsprung weight

• Ceramic rotors and the pads used with them wear out much faster than cast iron rotors

12. Caliper housings are made from ______.

• Aluminum

• Cast Iron

• Both A and B

• Neither A or B

11. On brake calipers, what prevents moisture from entering the cylinder bore?

• The Dust Boot

• The Splash Shield

• The Caliper Drag

• The Phenolic Piston

10. What component in the brake caliper acts as a retracting mechanism for the piston when hydraulic pressure is released?

• Dust Boot

• Square cut seal

• Caliper Slide

• All are correct

9. Composite rotors are made of cast iron and ______.

• All are correct

• Carbon fiber

• Steel

• Aluminum

8. Which of the following is NOT part of a caliper assembly?

• Piston

• Dust boot

• Anchor pin

• Square cut seal

7. Technician A replaces the pads if the linings are less than 1/8 inch (3.175mm). Technician B says if the pad on one side of the caliper is worn more than the other side, the rotor has excess runout and must be replaced. Who is correct?

• A only

• B only

• Both A and B

• Neither A or B