Chapter 2: heavy vehicle braking
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1. Engine retarders work best at?
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2. If the speed on your vehicle is doubled, stopping will require you to use?
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3. Speed and Weight facts: 2 × vehicle speed requires... × the stopping power
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4. If you have to drive through water on the roadway, place a slight drag on the brakes to
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5. If your brake fade while driving you should?
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6. Brake fade occurs when
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7. What is the final factor that will determine if the vehicle will move?
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8. If you must drive more slowly than the traffic flow you should:
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9. Use tachometer to measure
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10. Most brake components operate best at around... and should not exceed...
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11. 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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12. 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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13. The brakes, tires and suspension of a combination vehicle work best when:
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14. Runaway lanes are:
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15. Speed and Weight facts: 2 ×vehicle speed and 2 × vehicle weight requires... × the stopping power
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16. What's another name for engine retarders?
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17. Anti-lock braking systems (ABS) are:
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18. When driving through water you can test your brakes for safe operation condition by?
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19. How does the generation of heat help stop the vehicle?
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20. If brake fades occur?
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21. 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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22. When stopping in an emergency with ABS brakes you should:
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23. When traveling downhill, your vehicle will speed up due to
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24. Bald or defective tires may....
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25. 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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26. If you use the two second (or fifith second) rule or following distance and find that you reach out check point before your count is finished?
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27. Speed and Weight facts: 2 × vehicle weight requires... × the stopping power
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28. If the WEIGHT and SPEED on your vehicle is doubled stopping will require you to use?
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29. What can reduce your danger zone?
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30. 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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31. Total stopping time =
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32. A commercial driver should mount chains on their tires
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33. If the WEIGHT on your vehicle is doubled,stopping will require you to use?
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34. ... provide an auxiliary slowing effect and assist the main brake system to slow the vehicle.
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35. The final factor in stopping is in the contact between... through the tires.
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36. 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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37. Stopping on icy roads requires:
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38. To reduce the chance of loosing control of your vehichle when driving through down a steep hill?
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39. Which of the following increases the most when you go faster?
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40. When driving through water you can test your brakes for safe operation condition by?
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41. When you see a potential hazard on the road your danger zone is reduced by?
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42. In normal stopping, the brake components heat up to about ....
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