CDL GENERAL KNOWLEDGE TEST (MINNESOTA) - PRACTICE TEST
31.
If your trucks has a high center of gravity, which of the following is true for curves?
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Reduce your speed to a crawl.
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You should slow down, as your truck can roll over at the posted speed limit for the curve.
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You should travel at the posted speed limit.
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None of the above.
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32.
When driving a 50-foot truck at 40 mph, your minimum following distance should be:
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5 seconds
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6 seconds
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8 seconds
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4 seconds
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33.
Which of the following statements about hydroplaning is true?
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Hydroplaning is less likely if tire pressure is low.
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Hydroplaning usually occurs at speeds lower than 30 mph.
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Hydroplaning is more likely if tire tread is worn.
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If your vehicle is hydroplaning, you should use the brakes to slow down.
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34.
When driving in heavy rain:
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avoid driving through deep puddles or flowing water if possible.
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take curves at higher speeds and brake while in curves.
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drive alongside other vehicles if possible.
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All of the above.
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35.
To keep the engine cool in hot weather, you should:
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make sure there is enough engine oil.
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make sure the engine cooling system has enough water and antifreeze.
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check v-belt tightness by pressing on the belts.
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All of the above.
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36.
Which of the following can cause vehicle fires?
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Improper fueling
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Short circuits and loose connections
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Improperly sealed cargo
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All of the above.
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37.
The wheels of a large combination vehicle are more likely to lock up when:
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the vehicle is lightly loaded.
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the trailer has new tires.
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you are traveling in very hot weather.
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the vehicle is heavily loaded.
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38.
Obstacles on the roadway that appear to the harmless:
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never contain material capable of causing damage.
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should be driven over.
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can be dangerous.
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None of the above.
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39.
Hazardous materials can be recognized by looking at the container's:
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label.
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shape.
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type.
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color.
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40.
When driving a modern truck, the gear you should be in before starting down a hill is usually_____ the gear required to climb the same hill.
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lower than
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higher than
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the same as
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None of the above.
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