TN CDL PRACTICE TEST - GENERAL KNOWLEDGE
21.
Which of the following statements about driving in areas with strong winds is true?
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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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The problem is usually worse for heavier vehicles.
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You should drive alongside other vehicles to help break up the wind.
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22.
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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the engine belt is loose.
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you need to shift up.
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one of the tires has gone flat.
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23.
Which of the following statements about tire failure is true?
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If the steering feels heavy, it may be a sign one of the rear tires has failed.
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Any time you hear a tire blow, you would be safest to assume it is not yours.
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It can take a few seconds for your vehicle to react, and you might think it was some other vehicle.
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All of the above.
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24.
When driving, you:
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should not use turn signals when the road is empty.
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should only use turn signals if there is a vehicle behind you.
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should always use turn signals to tell other drivers your intentions.
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should carefully evaluate road and traffic conditions to decide if you should use turn signals.
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25.
When a tire suddenly blows out while you are driving, what should you do first?
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Use the parking brake.
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Brake lightly and hold the steering wheel firmly.
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Hold the steering wheel firmly and stay off the brakes.
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Use controlled or stab braking.
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26.
While driving, you should use your mirrors to:
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check the condition of the tires and cargo.
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know where other vehicles are around you.
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check where the rear of your vehicle is while you make turns.
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All of the above.
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27.
If you are driving a 30-foot vehicle at 55 mph, you should leave at least _____ between you and the vehicle ahead.
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5 seconds
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4 seconds
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3 seconds
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2 seconds
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28.
If the vehicle ahead of you is smaller than yours:
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it will usually take longer to stop.
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it can probably stop faster than you can.
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it will take the same amount of time to stop.
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All of the above.
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29.
You have two tie-downs on a 15 foot load. How many more tie-downs do you need to secure cargo and keep it from shifting or falling?
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Two
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None
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One
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Three
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30.
The Gross Combination Weight (GCW) is:
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the weight of the vehicle and its trailer(s).
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the weight of the trailer and cargo.
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the weight of the vehicle, trailer, and cargo.
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the total weight of a single vehicle including its load.
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