CDL PRACTICE TEST (CO) - GENERAL KNOWLEDGE TEST
31.
If during vehicle inspection a tire is too hot to touch, you should:
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make sure there is enough engine oil on the tires.
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immediately decrease air pressure.
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remain stopped until the tire cools off.
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let air out.
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32.
While driving at night, use __________ when it is safe and legal to do so.
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high beams
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low beams
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interior lights
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emergency flashers
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33.
The space under a heavily loaded vehicle can be very small. This can cause problems:
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on dirt roads.
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when crossing railroad tracks.
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on unpaved yards.
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All of the above.
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34.
Which of the following statements is true?
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Short-term or daily rental truck drivers are often not used to driving a large vehicle and may pose a hazard to you.
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Delivery truck drivers are professionals and do not pose any hazard to you.
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You can always trust other drivers to turn in the direction that their turn signal is indicating.
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You do not have to worry about individuals driving cars with out-of-state license plates.
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35.
In vehicles with air brakes, the air compressor governor:
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controls when the air compressor will pump air into the air storage tanks.
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controls when the air storage tanks will pump air into the air compressor.
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controls how much air the air compressor will pump into the air storage tanks.
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None of the above.
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36.
"Tire load" means:
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the maximum safe weight a tire can carry at a specified pressure.
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the minimum weight a tire can carry at a specified pressure.
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the specified weight a tire can carry at the maximum pressure.
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the specified weight a tire can carry at the minimum pressure.
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37.
When backing a trailer, turn the wheel right to make the cab go ________ and the trailer go ________.
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left; left
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left; right
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right; left
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right; right
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38.
When you are being tailgated, you should NOT:
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increase your following distance.
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turn on your taillights.
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avoid quick changes.
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All of the above.
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39.
Which of the following statements about engine overheating is true?
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You should never shut off an overheated engine until it cools.
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You should never remove the radiator cap or any part of the pressurized system until the system has cooled.
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Low speeds create more heat for the engine.
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None of the above.
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40.
Which of the following is NOT a correct action in the event of brake failure?
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Using the parking brake.
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Looking for an escape route.
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Weaving from side to side to slow down.
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Putting the vehicle into a lower gear.
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