2025-2026 SERIES
BRAKES I - AUT 120 - CHAPTER 104 - DRUM BRAKE
DIAGNOSIS AND SERVICE - CHAPTER QUIZ
QUESTIONS COMPLETE QUESTIONS AND CORRECT
ANSWERS | GRADED AND THE LATEST SERIES
Technician A says that the tinnerman nuts are used to hold the brake drum on
and should be reinstalled when the drum is replaced. Technician B says that a
drum should be removed inside a sealed vacuum enclosure or washed with water
or solvent to prevent possible asbestos dust from being released into the air.
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: Technician B only
Question: The backing plate should be replaced if the shoe contact areas (pads
or ledges) are worn more than __________.
a. ½ inch (13 mm)
b. ¼ inch (7 mm)
c. 1/8 inch (4 mm)
d. 1/16 inch (1.5 mm)
Ans: 1/16 inch (1.5 mm)
, 2025-2026 SERIES
Question: Technician A says that silicone brake grease can be used to lubricate
the shoe contact ledges. Technician B says that synthetic brake grease, lithium
brake grease, or antiseize compound can be used as a brake lubricant. 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: Most brake experts and vehicle manufacturers recommend replacing
brake lining when the lining thickness is __________.
a. 0.030 inch (0.8 mm)
b. 0.040 inch (1.0 mm)
c. 0.050 inch (1.3 mm)
d. 0.060 inch (1.5 mm)
Ans: 0.060 inch (1.5 mm)
Question: Technician A says that many vehicle manufacturers recommend that
wheel cylinders not to be honed because of the special surface finish inside the
bore. Technician B says that some experts recommend that the wheel cylinders
be replaced every time the brake linings are replaced. Which technician is
correct?
BRAKES I - AUT 120 - CHAPTER 104 - DRUM BRAKE
DIAGNOSIS AND SERVICE - CHAPTER QUIZ
QUESTIONS COMPLETE QUESTIONS AND CORRECT
ANSWERS | GRADED AND THE LATEST SERIES
Technician A says that the tinnerman nuts are used to hold the brake drum on
and should be reinstalled when the drum is replaced. Technician B says that a
drum should be removed inside a sealed vacuum enclosure or washed with water
or solvent to prevent possible asbestos dust from being released into the air.
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: Technician B only
Question: The backing plate should be replaced if the shoe contact areas (pads
or ledges) are worn more than __________.
a. ½ inch (13 mm)
b. ¼ inch (7 mm)
c. 1/8 inch (4 mm)
d. 1/16 inch (1.5 mm)
Ans: 1/16 inch (1.5 mm)
, 2025-2026 SERIES
Question: Technician A says that silicone brake grease can be used to lubricate
the shoe contact ledges. Technician B says that synthetic brake grease, lithium
brake grease, or antiseize compound can be used as a brake lubricant. 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: Most brake experts and vehicle manufacturers recommend replacing
brake lining when the lining thickness is __________.
a. 0.030 inch (0.8 mm)
b. 0.040 inch (1.0 mm)
c. 0.050 inch (1.3 mm)
d. 0.060 inch (1.5 mm)
Ans: 0.060 inch (1.5 mm)
Question: Technician A says that many vehicle manufacturers recommend that
wheel cylinders not to be honed because of the special surface finish inside the
bore. Technician B says that some experts recommend that the wheel cylinders
be replaced every time the brake linings are replaced. Which technician is
correct?
