WISCONSIN CDL PRACTICE TEST - GENERAL KNOWLEDGE
31.
Which of the following is NOT a warning sign of fatigue?
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Trouble remembering the last few miles driven
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Trouble keeping your head up
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Yawning repeatedly
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Engaging in conversation with a passenger
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32.
What should you look for when checking tires?
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Fabric showing through the tread or sidewall
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Cuts
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Cracked valve stems
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All of the above
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33.
The height of a vehicle's center of gravity is important for safe handling. Why?
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Trucks with a high center of gravity can roll over at the posted speed limit for a curve.
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A high center of gravity means you are less likely to tip over.
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Trucks with a high center of gravity have better traction.
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All of the above.
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34.
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 "off" position.
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in the "normal" position.
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in the "neutral" position.
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in the "slippery" position.
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35.
When you leave your vehicle you should:
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leave the key in the ignition.
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release the parking brake.
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apply the service brake.
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None of the above.
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36.
If your vehicle thumps or vibrates heavily, it may be a sign that:
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you need to shift up.
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one of the tires has gone flat.
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the engine belt is loose.
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the brakes have failed.
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37.
Overloading can have bad effects on all of the following except:
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Steering
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Speed control
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Braking
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Exhaust system
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38.
Which of the the following statements about fatigued or drowsy driving is true?
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Fatigued drivers may be slower in making critical decisions.
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Most people are less alert between 12 pm and 3 pm.
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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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All of the above.
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39.
_____ is a thin layer of ice that forms on road surfaces.
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Black ice
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Blue ice
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White ice
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Grey ice
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40.
If an aggressive driver confronts you, you should NOT:
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make eye contact.
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ignore gestures.
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try to get out of their way.
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try to let them pass.
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