GENERAL KNOWLEDGE CDL TEST MASSACHUSETTS - PRACTICE TEST
21.
Which of the following statements about tire failure is true?
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If the steering feels heavy, it may be a sign one of the rear tires has failed.
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It can take a few seconds for your vehicle to react, and you might think it was some other vehicle.
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Any time you hear a tire blow, you would be safest to assume it is not yours.
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All of the above.
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22.
Which of the following statements about driving in slippery conditions is NOT true?
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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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The roads are most slippery in the first half hour after it starts to rain.
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Wet ice is more slippery than ice that is not wet.
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23.
Which of the the following statements about fatigued or drowsy driving is true?
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Fatigued drivers are usually more alert because they are aware risk of being involved in an accident is higher.
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Most people are less alert between 12 pm and 3 pm.
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Fatigued drivers may be slower in making critical decisions.
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All of the above.
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24.
Which of these should make you reject a vehicle until it is rectified?
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Tires of different sizes
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Tires with different tread patterns
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Tires from different manufacturers
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All of the above.
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25.
When driving in heavy traffic, the safest speed is:
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the posted speed limit.
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slightly higher than the speed of other traffic.
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slower than the speed of other traffic.
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the speed of traffic.
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26.
You should avoid driving through flowing water of deep puddles if possible. If not, you should:
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wait until the engine has cooled before crossing the water.
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gently apply the brakes, increase engine rpm and cross the water while keeping light pressure on the brakes.
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set out reflective triangles to warn other traffic.
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press the accelerator and increase the engine and gear speed to the rpm required by road conditions.
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27.
To stay alert while driving, you should:
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never open the window or use the air conditioner.
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rely on caffeine.
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avoid medications that can cause drowsiness.
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All of the above.
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28.
If you have to drive off the road to avoid a collision, you should:
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keep one set of wheels on the pavement, if possible.
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stay on the shoulder until your vehicle has come to a stop.
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avoid braking.
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All of the above.
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29.
When preparing to make a right turn, you should NOT turn wide to the left as you start the turn. Why?
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Turning wide to the left can cause your vehicle to tilt.
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It makes the turn harder.
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A following driver may try to pass you on the left.
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A following driver may try to pass you on the right.
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30.
After drinking, which of the following can help you sober up?
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Taking a cold shower.
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Drinking black coffee. The caffeine will eliminate the effects of alcohol.
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Taking a cold shower after drinking.
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None of the above.
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