CDL PRACTICE TEST - GENERAL KNOWLEDGE (NEW MEXICO)
21.
Tar in the road pavement often rises to the surface in very hot weather. Spots where the tar "bleeds":
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have good traction.
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will help you get better gas mileage.
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are very slippery.
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22.
If a load is placed on one side of the trailer:
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a rollover is more likely.
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making turns may be easier.
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the steering axle weight will be too light to steer safely.
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23.
If during vehicle inspection a tire is too hot to touch, you should:
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let air out.
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remain stopped until the tire cools off.
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immediately decrease air pressure.
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24.
Headlights:
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must be turned on a half hour before sunset to a half hour after sunrise.
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can blind other drivers.
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should not be used when driving at night.
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25.
When making a turn, you should cancel your turn signal:
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once the rear end of your cab has cleared the turn.
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once more than half of your vehicle is round the turn.
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once you have completed the turn.
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26.
If you doubt you have enough space to pass under a bridge, you should:
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drive faster.
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turn on your headlights.
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go slowly.
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27.
Hydroplaning occurs when:
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tire pressure is high.
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you push in the clutch to let the drive wheels turn freely.
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tires lose traction.
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28.
When driving:
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reading text from an electronic device is permitted, but entering text is not.
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entering text into an electronic device is permitted, but reading text is not.
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neither entering text into nor reading text from an electronic device is permitted.
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29.
If you are feeling drowsy, before driving you should:
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get some sleep.
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drink some coffee.
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wait at least 30 minutes.
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30.
Name two situations in which it may not be safe to operate your vehicle at legal maximum weights.
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Over bridges or through tunnels
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During bad weather or in mountains
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In heavy traffic or at night
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