Chapter 2: heavy vehicle braking
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1. 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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2. What is the purpose of retarders?
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3. What is the basic principle behind braking systems?
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4. What is the final factor in stopping a vehicle?
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5. What causes brake fade?
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6. The brakes, tires and suspension of a combination vehicle work best when:
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7. If brake fades occur?
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8. If your brake fade while driving you should?
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9. ... provide an auxiliary slowing effect and assist the main brake system to slow the vehicle.
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10. Stopping on icy roads requires:
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11. 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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12. If the WEIGHT on your vehicle is doubled,stopping will require you to use?
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13. What can reduce your danger zone?
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14. To reduce the chance of loosing control of your vehichle when driving through down a steep hill?
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15. Use tachometer to measure
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16. When you see a potential hazard on the road your danger zone is reduced by?
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17. Speed and Weight facts: 2 ×vehicle speed and 2 × vehicle weight requires... × the stopping power
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18. Which of the following increases the most when you go faster?
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19. Speed and Weight facts: 2 × vehicle speed requires... × the stopping power
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20. Speed and Weight facts: 2 × vehicle weight requires... × the stopping power
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21. Brake fade occurs when
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22. If the WEIGHT and SPEED on your vehicle is doubled stopping will require you to use?
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23. When driving through water you can test your brakes for safe operation condition by?
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24. Bald or defective tires may....
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25. If you must drive more slowly than the traffic flow you should:
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26. The final factor in stopping is in the contact between... through the tires.
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27. 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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28. 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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29. When stopping in an emergency with ABS brakes you should:
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30. If the speed on your vehicle is doubled, stopping will require you to use?
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31. If you have to drive through water on the roadway, place a slight drag on the brakes to
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32. 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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33. A commercial driver should mount chains on their tires
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34. 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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