Exam 104: Machining Brake Drums and Rotors

Rotor finish is measured in ________.

(Multiple Choice)

4.8/5

(64)

Question 21

Technician A says that brake drums on the same axle should be close to the same inside diameter for best brake balance. Technician B says that a brake drum may be cracked if it rings like a bell when tapped with a light steel hammer. Which technician is correct?

(Multiple Choice)

4.9/5

(79)

Question 22

The rotor in this illustration was measured in three places. The measurements are: Point A = .987 " Point B = .986 " Point C = .987 " The minimum thickness specification is .968 ". The rotor surface is smooth and not scored. What action should the technician take?

(Multiple Choice)

4.9/5

(80)

Question 23

Typical maximum rotor runout specifications are ________.

(Multiple Choice)

4.7/5

(76)

Question 24

Hard spots in a brake drum are caused by ________.

(Multiple Choice)

4.8/5

(92)

Question 25

Showing 21 - 25 of 25

Exam 104: Machining Brake Drums and Rotors

Rotor finish is measured in ________.

Technician A says that brake drums on the same axle should be close to the same inside diameter for best brake balance. Technician B says that a brake drum may be cracked if it rings like a bell when tapped with a light steel hammer. Which technician is correct?

The rotor in this illustration was measured in three places. The measurements are: Point A = .987 " Point B = .986 " Point C = .987 " The minimum thickness specification is .968 ". The rotor surface is smooth and not scored. What action should the technician take?

Typical maximum rotor runout specifications are ________.

Hard spots in a brake drum are caused by ________.

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