Chapter 2: heavy vehicle braking
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1. To dry out your brakes during extremely wet conditions you should:
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2. Total stopping time:
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3. Most brake components operate best at around... and should not exceed...
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4. When traveling downhill, your vehicle will speed up due to
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5. To ensure a smooth, controlled stop every time;
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6. To stop safely,
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7. Which sentence is correct?
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8. Anti-lock braking systems (ABS) are:
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9. The brakes, tires and suspension of a combination vehicle work best when:
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10. A rotor is part of which of the following brake system?
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11. An engine brake retarder is:
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12. Excessive use of the brakes could result in a buildup of more heat than the brakes can absorb and dissipate. What negative thing can happen if there is too much heat?
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13. Using light brake pressure on an icy road will:
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14. ... provide an auxiliary slowing effect and assist the main brake system to slow the vehicle.
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15. Runaway lanes are:
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16. In ideal driving conditions, passenger cars and light trucks should be at least how many seconds behind the vehicle they are following?
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17. Speed and Weight facts: 2 × vehicle weight requires... × the stopping power
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18. Speed and Weight facts: 2 × vehicle speed requires... × the stopping power
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19. Engine retarders work best at?
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20. The most common air brake system defect found is?
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21. Braking forcefully when driving a combination-unit vehicle on slippery roads may cause:
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22. When traveling down a steep hill, you should:
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23. Total stopping time =
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24. If you must drive more slowly than the traffic flow you should:
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25. Even though the energy of motion turns the vehicle's wheels, the vehicle won't go anywhere unless there's...... between the tires and road surface.
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26. To prevent your vehicle from jerking back after it is fully stopped, you should:
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27. When brake fade occurs:
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28. Which of the following increases the most when you go faster?
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29. How does the generation of heat help stop the vehicle?
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30. When stopping in an emergency with ABS brakes you should:
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31. In normal stopping, the brake components heat up to about ....
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32. In stopping a vehicle, the energy of motion is converted to the energy of heat through ....... between the lining/pad and drum/rotor surfaces of the vehicle's brakes.
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33. Drivers of buses, trucks and other large heavy vehicles should never be less than ......... behind the vehicle ahead at highway speeds.
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34. Brake fade occurs when
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35. A rotor is part of which of the following brake system?
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36. Even though it may have a diesel engine producing over 400 hp, because of the weight of the combination and its load, how long can it take to accelerate up to 100 km/h?
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37. Reaction time:
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38. What should drivers continuously do if the danger zone becomes occupied?
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39. What is the final factor that will determine if the vehicle will move?
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40. The average driver's reaction time is about....
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41. In normal stopping, the brake components heat up to about ....
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42. Speed and Weight facts: 2 ×vehicle speed and 2 × vehicle weight requires... × the stopping power
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43. When you see a problem a head while driving
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44. What can reduce your danger zone?
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45. Does ABS allow you stop sooner?
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46. Stopping on icy roads requires:
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47. What do retarders do for the vehicle?
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48. Reaction time is the time it takes between
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49. Revolutions per minute, or R.P.M., are:
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50. The final factor in stopping is in the contact between... through the tires.
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51. Truck drivers should:
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52. A vehicle that is twice the weight of a car and is traveling at twice the speed of that car requires how much braking power to stop in the same distance:
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53. Other than vehicle weight and speed, what is another factor that affects stopping distances?
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54. A commercial driver should mount chains on their tires
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55. Brakes convert the energy of motion back into what?
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56. If you have to drive through water on the roadway, place a slight drag on the brakes to
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57. What's another name for engine retarders?
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58. Anti-lock braking systems (ABS) are:
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59. Bald or defective tires may....
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