CDL GENERAL KNOWLEDGE TEST (ALASKA) - PRACTICE TEST
31.
An alcohol evaporator:
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protects the air brake system from too much pressure.
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used to reduce the chance of the front wheels skidding.
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is used to reduce the risk of ice in air brake valves and other parts during cold weather.
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32.
If a load is placed on one side of the trailer:
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a rollover is more likely.
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the steering axle weight will be too light to steer safely.
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making turns may be easier.
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33.
To recognize when it's time to shift up to a higher gear, use:
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engine speed (rpm) and road signs.
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engine speed (rpm) and road speed (mph).
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engine sounds and road signs.
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34.
When conducting a pre-trip inspection:
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you should review the last vehicle inspection report.
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the vehicle inspection report should not be reviewed unless your supervisor tells you to do so.
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the inspection report should only be reviewed if you will be carrying passengers.
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35.
You should use your horn to:
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to let others know you are there.
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to let others know you are about to break.
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to let others know you are about to increase your speed.
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36.
Which of the following statements about over-the-counter drugs is true?
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They may affect safe driving ability.
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They are not considered drugs.
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They can be used while on duty, as long as you drink coffee to stay awake.
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37.
Axle weight is defined as:
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The weight transmitted to the ground by one axle or one set of axles
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The maximum safe weight a tire can carry at a specified pressure
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The weight of the trailer, including the axles
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38.
When driving a 60-foot truck at 50 mph, your minimum following distance should be:
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6 seconds
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7 seconds
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5 seconds
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39.
The best way to recognize that your trailer has started to skid is:
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by seeing it in your mirrors.
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by recognizing tire failure.
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by feeling the brakes come on.
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40.
The emergency equipment must include:
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Electrical fuses.
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Charged and rated fire extinguisher.
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All of the above.
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