AZ CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
31.
In an emergency:
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stopping is not always the safest thing to do.
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you should keep one hand on the steering wheel.
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you should never turn to miss an obstacle.
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32.
Name two causes of tire fires.
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Under-inflated tires and dual tires that touch
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Excessive braking
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Driver smoking and poor ventilation.
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33.
Rough acceleration can cause:
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tire damage.
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damage electrical and brake lines.
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mechanical damage.
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34.
Eating while driving is:
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a way to be more productive.
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a source of distraction.
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a good way to prevent drowsiness and maintain alertness.
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35.
When you need to brake, you should warn the drivers behind:
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by making gestures.
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by changing lanes.
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by flashing your brake lights.
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36.
The use of brakes on a steep downgrade is:
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a supplement to the braking effect of the engine.
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the main braking factor.
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much more effective than the engine braking effect.
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37.
If you are being tailgated, you should:
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increase your following distance.
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move to the left lane.
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speed up.
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38.
If your vehicle thumps or vibrates heavily, it may be a sign that:
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the brakes have failed.
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you need to shift up.
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one of the tires has gone flat.
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39.
Most hydraulic brake failures occur for one of two reasons, one of which is:
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relying too much on the engine braking effect.
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loss of hydraulic pressure.
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excessive downshifting.
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40.
During the vehicle inspection, when checking the tires you should:
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ensure that valve caps are missing.
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ensure that the tread is evenly worn.
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check for the minimum tread depth (4/32 on all tires).
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