GENERAL KNOWLEDGE CDL TEST WYOMING - PRACTICE TEST
31.
If you're feeling tired while driving you should:
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eat something.
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stop driving and get some rest.
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increase your speed to get to your destination quicker.
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drink coffee.
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32.
Air tank drains:
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are used to move air to the brakes.
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protect the tanks and the rest of the system from too much pressure.
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are used to remove water and oil from the air tanks.
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should not be used in wet weather.
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33.
If your vehicle begins to hydroplane, you should:
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immediately pull off the road.
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brake gently to slow down.
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release the accelerator and push in the clutch.
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accelerate slightly.
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34.
Front-end header boards:
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protect you from your cargo in case of an emergency stop.
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block the forward movement of your cargo.
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protect you from your cargo in case of a crash.
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All of the above.
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35.
Weaving across the road or drifting from one side to another is typical of:
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impaired drivers.
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confused drivers.
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slow drivers.
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shoppers.
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36.
Which of the following statements about driving in areas with strong winds is true?
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You should drive alongside other vehicles to help break up the wind.
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Strong winds make it difficult to stay in your lane.
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The problem is usually worse for heavier vehicles.
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Wind can be a problem especially when you enter a tunnel.
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37.
You should signal your intention to turn at least ____ before turning or changing lanes.
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50 feet
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250 feet
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100 feet
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75 feet
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38.
If the drive wheels start to skid:
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accelerate slightly to regain control.
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push in the clutch to let them turn freely.
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use the brakes to slow down.
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All of the above.
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39.
The most important hand signal you should agree on with a helper is:
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Keep backing
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Slowly
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Go
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Stop
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40.
If a trailer does not have spring brakes, to keep the trailer from moving you should:
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park on a slight decline.
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use wheel chocks.
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use the service brakes.
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close the brake valve.
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