9. Which of these is the greatest disadvantage of drum brakes?
A. Lack of adjustment
B. Lack of proper power assist
C. Poor parking brake performance
D. Brake fade
10. A starwheel adjuster is installed on the wrong side of the vehicle. Technician A says that the adjuster won't operate if it's installed on the wrong side. Technician B says that the adjuster will operate, but that it will cause the clearance to increase rather than decrease when activated. Who is correct?
A. Technician B
B. Technician A
C. Neither Technician A nor B
D. Both Technicians A and B
12. You're inspecting disc brake pads. Technician A says the wheel must be removed in most cases to measure pad thickness. Technician B says lining-to-rotor clearance changes after a brake application. Who is correct?
A. Both Technicians A and B
B. Technician A
C. Technician B
D. Neither Technician A nor B
13. A typical drum brake uses _______ hold-down springs.
A. two
B. five
C. four
D. three
14. Vacuum brake boosters use a _______ to provide a sense of feel during braking.
A. reaction disc
B. diaphragm
C. pressure restrictor
D. vacuum diverter
15. Two technicians are discussing drum brake design and service. Technician A says that the labyrinth seal helps to keep water from getting into a drum brake. Technician B says that only synthetic brake grease, lithium brake grease or anti-seize compound should be used as a brake lubricant. Who is correct?
A. Technician B
B. Technician A
C. Neither Technician A nor B
D. Both Technicians A and B
17. Technician A says to use synthetic brake grease to lubricate the backing plate. Technician B says to use special lithium-based brake grease. Who is correct?
A. Neither Technician A nor B
B. Technician A
C. Technician B
D. Both Technicians A and B
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