1. Technician A says the proportioning valve controls pressure to the rear brakes to prevent wheel lockup. Technician B says the front-brake metering valve delays brake pressure to the front calipers during a hard brake application. Who is correct?
A. Both Technicians A and B
B. Neither Technician A nor B
C. Technician A only
D. Technician B only
3. Which of these conditions can cause brake pedal fade?
A. Leakage past the master cylinder cups
B. Brake drum used beyond its limit
C. Air in the hydraulic system
D. Seized brake caliper piston
4. Two technicians are discussing master cylinders. Technician A says it's normal to see fluid movement in the reservoir when the brake pedal is depressed. Technician B says a defective mas
A. Technician B only
B. Neither Technician A nor B
C. Both Technicians A and B
D. Technician A only
7. Technician A says that performing brake repairs requires special licensing in some states. Technician B says that federal-level licensing may be required. Who is correct?
A. Technician A only
B. Technician B only
C. Neither Technician A nor B
D. Both Technicians A and B
8. Two technicians are describing automotive wheel bearings on RWD cars. Technician A says that conventional tapered roller bearings used on the front of most rear-wheel-drive vehicles should be slightly loose when adjusted properly. Technician B says that the spindle nut shouldn't be tightened more than finger-tight on the final step. Who is correct?
A. Technician B only
B. Neither Technician A nor B
C. Both Technicians A and B
D. Technician A only
9. Technician A says a pull to the right during braking could be caused by a defective metering valve. Technician B says a pull to the left during braking could be caused by a defective proportioning valve. Which technician is correct?
A. Neither Technician A nor Technician B
B. Technician A only
C. Both Technician A and Technician B
D. Technician B only
10. Air in the lines will cause which of the following problems?
A. Hard, stiff brake pedal
B. Brake noise
C. Low, spongy brake pedal
D. Vibration in the brake pedal during stops
11. Technician A says that brake fluid standards are determined by the Society of Automotive Engineers (SAE). Technician B says that brake fluid standards are determined by the Department of Transportation (DOT). Who is correct?
A. Technician B only
B. Neither Technician A nor B
C. Technician A only
D. Both Technicians A and B
15. A customer states that the vehicle skids when the brakes are applied in a panic situation. The technician discovers that the rear brake pressure is increasing too rapidly. The most likely cause of this fault is a
A. clogged compensation port in the master cylinder.
B. clogged take-up valve in the master cylinder.
C. faulty metering valve.
D. faulty proportioning valve.
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