CDL PRACTICE TEST (CT) - GENERAL KNOWLEDGE TEST
21.
To prevent drowsiness before a trip, you should:
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drive with the windows rolled down.
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drink 2 cups of coffee.
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avoid medications that cause drowsiness.
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avoid driving with a passenger.
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22.
Which of the following is NOT a warning sign of fatigue?
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Adjust your speed depending on driving conditions
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Rubbing eyes
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Difficulty focusing
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Missing exits
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23.
Why should you put the starter switch key in your pocket during the pre-trip inspection?
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You will need it to inspect the trailer.
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So you don't lose it.
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So no one moves the vehicle while you are inspecting underneath it.
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All of the above.
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24.
When more cargo is piled up in a truck, the center of gravity moves:
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to the right side of the truck.
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higher up from the road.
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closer to the ground.
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to the left side of the truck.
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25.
You should hold your steering wheel:
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with both hands on the same side of the wheel.
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gently with both hands.
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firmly with both hands.
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firmly with one hand.
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26.
When you have to back, you should use a helper:
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whenever possible.
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when you need to back on a curved path.
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only when you back up with a trailer.
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only when backing toward the right side.
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27.
Why should you check your mirrors regularly to know where other vehicles are around you?
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To move out of their way if they want to get past.
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To flash the brake lights if you are being tailgated.
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To better assess your own speed.
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To know whether you can make a quick lane change in an emergency.
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28.
When passing a vehicle, you should NOT:
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assume the other driver does not see you.
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at night, flash your lights from low to high beam and back.
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keep blowing your horn while passing.
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drive carefully enough to avoid an accident.
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29.
A cardboard box on the road:
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is likely to be empty and should not be considered a hazard.
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should always be driven over to avoid sudden direction changes.
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will never damage vehicle parts if driven over.
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may contain some solid material capable of causing damage.
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30.
Containerized loads:
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should exceed gross weight and axle weight limits.
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must be inspected before and after the trip.
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are generally used for freight carried part way by rail or ship.
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All of the above.
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