ME CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
21.
When you are prescribed medications, you should:
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also take medications that prevent drowsiness to stay alert.
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ask your doctor if the drug will affect safe driving ability.
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stop taking the medication if you notice it is affecting your driving ability.
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22.
Your mirrors should be adjusted so that:
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the rear of the vehicle is visible in the mirror.
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no part of the vehicle is visible in the mirror.
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a part of the vehicle is visible in the mirror.
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23.
Mirror adjustment should be checked:
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once a week.
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only if you plan on using them.
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prior to the start of any trip.
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24.
As your blood alcohol concentration (BAC) builds up, which of the following is affected?
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Vision
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Muscle control
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All of the above.
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25.
To control your speed on a downgrade, you should:
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use controlled braking.
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fully apply the brakes.
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use engine braking.
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26.
Which of the following is true about lanes changes?
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Lane changes require more than regular mirror checks.
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Lane changes should always be avoided.
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When changing lanes you should check your mirros as usual.
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27.
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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Wind can be a problem especially when you enter a tunnel.
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28.
Which of the following statements about using turn signals is true?
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To keep others from trying to pass you, you should signal just before you turn.
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You should use your turn signals when your vehicle is parked at the side of the road.
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None of the above.
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29.
Dual tires:
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should not come in contact with each other.
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should come in contact with each other whenever possible.
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should always come in contact with each other.
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30.
The one-way check valve:
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keeps air from going out if the air compressor develops a leak.
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keeps your wheels from locking up when you brake hard.
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supplies air to the trailer air tanks.
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