VT CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
31.
When backing, you should back and turn toward the driver's side:
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so you can back in a straight line.
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so you can see better.
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so you can see the shoulder of the road.
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32.
When should you turn the retarder off?
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when the cargo is heavy.
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when the road is slippery.
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when your vehicle has a high center of gravity.
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33.
Letting air out of hot tires:
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will cool the tires down.
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should not be done, because the pressure will be too low when the tires cool off.
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will help relieve the extra pressure.
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34.
When you push the brake pedal down, air brakes work:
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after about 15 seconds.
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after a short delay.
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immediately.
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35.
Which of the following statements about driving in slippery conditions is NOT true?
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The roads are most slippery in the first half hour after it starts to rain.
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As the temperature rises to the point where ice begins to melt, the road becomes less slippery.
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When the temperature drops, bridges will freeze before the road will.
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36.
Which of the following will not prevent distracted driving?
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Clearing the vehicle of any unnecessary objects.
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Using your phone only when there is no traffic around you.
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Planning your route before you begin driving.
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37.
Checking the engine compartment during the seven-step inspection does NOT include checking:
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the power steering fluid level.
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the engine oil temperature.
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the engine oil level.
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38.
ABS will:
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increase your average speed.
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not change your normal braking capability.
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shorten your stopping distance.
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39.
On dry pavement, the braking distance when traveling at 55 mph is about:
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142 feet.
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216 feet.
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419 feet.
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40.
The minimum age to operate a commercial motor vehicle interstate is:
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21
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25
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18
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