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Chapter 2: heavy vehicle braking

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1. Speed and Weight facts:
2 × vehicle speed requires... × the stopping power

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2. 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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3. How does the generation of heat help stop the vehicle?

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4. Speed and Weight facts:
2 ×vehicle speed and 2 × vehicle weight requires... × the stopping power

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5. What is the final factor that will determine if the vehicle will move?

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6. Which of the following increases the most when you go faster?

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7. When stopping in an emergency with ABS brakes you should:

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8. Runaway lanes are:

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9. 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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10. If you must drive more slowly than the traffic flow you should:

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11. When driving through water you can test your brakes for safe operation condition by?

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12. When driving through water you can test your brakes for safe operation condition by?

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13. 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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14. Total stopping time =

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15. When traveling downhill, your vehicle will speed up due to

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16. Anti-lock braking systems (ABS) are:

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17. If the speed on your vehicle is doubled, stopping will require you to use?

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18. ... provide an auxiliary slowing effect and assist the main brake system to slow the vehicle.

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19. If your brake fade while driving you should?

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20. The final factor in stopping is in the contact between... through the tires.

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21. Engine retarders work best at?

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22. If you have to drive through water on the roadway, place a slight drag on the brakes to

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23. Use tachometer to measure

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24. Stopping on icy roads requires:

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25. When you see a potential hazard on the road your danger zone is reduced by?

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26. 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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27. In normal stopping, the brake components heat up to about ....

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28. What can reduce your danger zone?

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29. To reduce the chance of loosing control of your vehichle when driving through down a steep hill?

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30. 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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31. 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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32. Speed and Weight facts:
2 × vehicle weight requires... × the stopping power

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33. If the WEIGHT on your vehicle is doubled,stopping will require you to use?

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34. Most brake components operate best at around... and should not exceed...

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35. Brake fade occurs when

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36. If the WEIGHT and SPEED on your vehicle is doubled stopping will require you to use?

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37. Bald or defective tires may....

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38. 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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39. A commercial driver should mount chains on their tires

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40. The brakes, tires and suspension of a combination vehicle work best when:

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41. What's another name for engine retarders?

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42. If brake fades occur?

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The average score is 77%

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