2025-2026 SERIES
BRAKES I - AUT 120 - CHAPTER 105 - DISC BRAKES -
CHAPTER QUIZ QUESTIONS COMPLETE QUESTIONS
AND CORRECT ANSWERS | GRADED AND THE
LATEST SERIES
What part causes the disc brake caliper piston to retract when the brakes are
released?
a. Return (retracting) spring
b. The rotating rotor (disc) that pushes the piston back
c. The square-cut O-ring
d. The caliper bushings
Ans: The square-cut O-ring
Question: Slots are often used in brake pads because they __________.
a. reduce brake noise
b. increase brake life
c. reduce brake fade
d. improve brake performance
Ans: reduce brake noise
Question: Which of the following is NOT a component of a disc brake system?
a. Backing plate
b. Splash shield
c. Caliper
, 2025-2026 SERIES
d. Brake pads
Ans: Backing plate
Question: Technician A says that riveted disc brake pads are often quieter than
bonded disc brake pads. Technician B says integrally molded disc brake pads
are molded into holes in the steel backing of the pads. Which technician is
correct?
a. Technician A only
b. Technician B only
c. Both Technicians A and B
d. Neither Technician A nor B
Ans: Both Technicians A and B
Question: Two technicians are discussing the reason that the brake fluid level in
the master cylinder drops. Technician A says that it may be normal due to the
wear of the disc brakes pads. Technician B says that this is part of the wear
compensation feature of disc brakes. Which
technician is correct?
a. Technician A only
b. Technician B only
c. Both Technicians A and B
d. Neither Technician A nor B
BRAKES I - AUT 120 - CHAPTER 105 - DISC BRAKES -
CHAPTER QUIZ QUESTIONS COMPLETE QUESTIONS
AND CORRECT ANSWERS | GRADED AND THE
LATEST SERIES
What part causes the disc brake caliper piston to retract when the brakes are
released?
a. Return (retracting) spring
b. The rotating rotor (disc) that pushes the piston back
c. The square-cut O-ring
d. The caliper bushings
Ans: The square-cut O-ring
Question: Slots are often used in brake pads because they __________.
a. reduce brake noise
b. increase brake life
c. reduce brake fade
d. improve brake performance
Ans: reduce brake noise
Question: Which of the following is NOT a component of a disc brake system?
a. Backing plate
b. Splash shield
c. Caliper
, 2025-2026 SERIES
d. Brake pads
Ans: Backing plate
Question: Technician A says that riveted disc brake pads are often quieter than
bonded disc brake pads. Technician B says integrally molded disc brake pads
are molded into holes in the steel backing of the pads. Which technician is
correct?
a. Technician A only
b. Technician B only
c. Both Technicians A and B
d. Neither Technician A nor B
Ans: Both Technicians A and B
Question: Two technicians are discussing the reason that the brake fluid level in
the master cylinder drops. Technician A says that it may be normal due to the
wear of the disc brakes pads. Technician B says that this is part of the wear
compensation feature of disc brakes. Which
technician is correct?
a. Technician A only
b. Technician B only
c. Both Technicians A and B
d. Neither Technician A nor B
