CDL PRACTICE TEST - GENERAL KNOWLEDGE (WEST VIRGINIA)
31.
If your vehicle is equipped with a front brake limiting valve, to ensure normal stopping power make sure the control is:
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in the "neutral" position.
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in the "slippery" position.
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in the "off" position.
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in the "normal" position.
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32.
To prevent drowsiness before a trip, you should:
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avoid medications that cause drowsiness.
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avoid driving with a passenger.
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drink 2 cups of coffee.
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drive with the windows rolled down.
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33.
The definition of Gross Vehicle Weight is:
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Total weight of a single vehicle + cargo
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Total weight of cargo
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Total weight of a single vehicle minus fuel
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Axle weight + cargo weight
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34.
When driving in hot weather:
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the engine oil helps keep the engine cool, as well as lubricate it.
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antifreeze should be avoided.
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the the tires' air pressure will decrease.
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None of the above.
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35.
Drivers should not assume that the heights posted at bridges and overpasses are correct. Why?
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Some roads can cause a vehicle to tilt.
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The weight of a cargo van changes its height.
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Packed snow or repaving may have reduced the clearances since the heights were posted.
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The bridge/overpass may have been rebuilt since the heights were originally posted.
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36.
What is true about tire chains?
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You should learn how to put the chains on before you need to do it in snow.
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You should watch the official video tutorial by the manifacturer before putting them on.
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You must carry the at least 6 chains and extra cross-links.
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All of the above.
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37.
Which of the following statements about engine overheating is true?
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Low speeds create more heat for the engine.
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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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None of the above.
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38.
The service line is also called:
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power line.
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brake line.
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cable line.
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control line.
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39.
When an aggressive driver confronts you, you should:
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return gestures and shouts.
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make eye contact.
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sound your horn and move to the left lane.
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avoid eye contact.
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40.
It's very important to distribute the cargo so it is:
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in the centre of the load.
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piled up.
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as low as possible.
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as high up as possible.
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