BC Air Brake Test 3

List of questions (classic view)

1. The air compressor should be inspected only when
2. For the air brake inspection, what do you check first?
3. In an S-cam drum brake, which of the following is connected to the brake spider?
4. A brake shoe is not a part of
5. Brake chambers are found on
6. It does not matter if a small amount of oil is discovered during drainage of
7. Compressed air from the air compressor first goes to the
8. Compressed air exhaust is
9. Compressed air entering the brake chambers applies
10. Evacuating air from the brake chambers will apply
11. A brake lining that has become contaminated with oil or grease indicates a problem with the
12. An air line shows signs of wear from rubbing, but there are no leaks because the inner tube is still in good shape. What should you do?
13. An alcohol evaporator or air dryer can
14. Which tank is likely to collect the most moisture?
15. Your vehicle will fail the air tank drain valve test if
16. There is a split-second delay in activation of _________. There is no delay in activation of _________.
17. The braking system converts the kinetic energy of the moving vehicle into
18. When you drain the air tanks, which tank should you drain first?
19. What is the purpose of the governor?
20. The air compressor is powered by the
21. Air pressure monitoring gauges are located on the _________ of the vehicle.
22. The pushrod stroke occurs when compressed air enters
23. When you press the brake pedal, the valve underneath the brake pedal ________ to apply the service brakes.
24. Which of the following is part of a disc brake?
25. If the low air pressure warning signal comes on, what should you do?
26. If air is lost in one circuit of a tractor-trailer's dual-circuit system but the compressor and governor are still working properly,
27. Who is ultimately responsible for the condition of the brakes on a vehicle?
28. Spring-type parking brakes are held in the released position by
29. The "Trucks Stop Here – Check Brakes" sign before a steep downgrade is
30. The distance that a vehicle travels from the time that the vehicle's brakes are applied to the time that the vehicle stops is known as its
31. At a fast engine idle, the compressor must be capable of building up reservoir pressure from 50 psi to 90 psi in less than
32. Which of the following statements are true about a foot control valve?
33. The low air pressure warning device must operate when reservoir air pressure drops below
34. What is the purpose of the hand valve?
35. The minimum governor cut-in pressure is
36. The maximum pressure available at any given time for a full brake application depends on
37. The most common cause of loss of air between the tractor and the trailer is
38. In a vehicle equipped with air brakes, the most common cause of loss of braking power is
39. What maintains normal pressures in the air brake system?
40. How can you make sure that your brakes are properly adjusted?
41. How do you apply the parking brakes?
42. Your vehicle's air compressor is belt driven. How do you check for correct belt tension?
43. Which of these is not a part of a drum brake?
44. When brakes become overheated, they also become
45. What is a "glad hand"?
46. What function does the alcohol evaporator perform?
47. To inspect an air brake system, you should wear
48. When must you chock the wheels of your stopped vehicle?
49. Finding a small bit of oil during an inspection is NOT serious if it's coming from
50. When inspecting the brake chambers, you should check for which of the following?