GENERAL KNOWLEDGE CDL TEST ALASKA - PRACTICE TEST
21.
Which of these is true about the radiator shutters and the winterfront?
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If the winterfront is left open, the engine may overheat.
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You should make sure the winterfront is closed tightly.
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You should remove ice from the radiator shutters.
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22.
At highway speeds, good drivers look at least _______ ahead.
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150 feet
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1 mile
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1/4 mile
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23.
The best way to test the trailer service brakes is to:
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accelerate to the maximum possible speed, then apply the trailer brakes fully.
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pull forward quickly, then apply the trailer brakes with your hand control.
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None of the above.
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24.
Which of these statements is NOT true?
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BAC is determined by the amount of alcohol you drink, how fast you drink, and your weight.
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Alcohol doesn't affects judgment and self-control.
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The liver can only process ⅓ an ounce of alcohol per hour.
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25.
Gross vehicle weight (GVW) is:
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the total weight of a single vehicle including its load.
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the total weight of the vehicle axle.
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the total weight of a single vehicle, except its load.
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26.
Blocking is used to:
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protect people from spilled cargo.
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keep the cargo from sliding.
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protect the cargo from weather.
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27.
Class 1 hazardous materials include:
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Flammable solids
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Flammable liquids
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Explosives
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28.
To maintain alertness while driving, you should:
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protect yourself from glare with sunglasses.
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rely on caffeine.
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keep the cab warm.
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29.
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 "slippery" position.
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in the "normal" position.
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in the "neutral" position.
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30.
When driving, you should check mirrors regularly to know where other vehicles are around you. Remember that:
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convex mirrors make things look larger and closer than they really are.
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you should check your after the start of any trip to make sure they are properly adjusted.
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there are blind spots that your mirrors cannot show you.
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