CDL GENERAL KNOWLEDGE TEST (NORTH CAROLINA) - PRACTICE TEST
31.
The trailer hand valve should be used:
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only when applying the brakes hard.
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only to test the trailer brakes.
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only on slippery surfaces.
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only in an emergency.
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32.
A tank endorsement is:
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only required when transporting liquids.
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required for both liquids and gases.
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not required when transporting hazardous materials.
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only required when transporting gases.
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33.
Which of the following statements about drugs is true?
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All over-the-counter drugs are safe to use while on duty.
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Use of drugs can lead to traffic accidents.
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Possession and use of a drug given to a driver by a doctor is never permitted.
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Some "controlled substances" are allowed to reduce fatigue.
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34.
Empty trucks have _________ heavily loaded trucks.
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the same traction as
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less traction than
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more traction than
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half the traction than
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35.
If you see a cardboard box ahead in your lane, you should:
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stop, get out of your vehicle, and pull the box off of the road before driving on.
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avoid it without making sudden, unsafe moves.
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slow down to a crawl, inch your vehicle forward and attempt to nudge the box out of your way.
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None of the above.
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36.
The steering wheel should:
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be held firmly with the left hand.
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be held firmly with the right hand.
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be held with one hand at a time.
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be held firmly with both hands.
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37.
What should you do if your vehicle starts hydroplaning?
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Apply the brakes and countersteer to regain control of the vehicle.
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Accelerate slightly, then push in the clutch to slow down.
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Release the accelerator and push in the clutch to let the wheels turn freely.
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Leave the road completely.
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38.
For fire safety, the correct list of items you should check during your pre-trip inspection is:
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tires, cargo, fuel, electrical and exhaust systems, fire extinguisher.
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cargo, fuel, steering wheel, electrical system, fire extinguisher.
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fuel and fire extinguisher.
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cargo, fuel, electrical and exhaust systems.
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39.
Which of these is NOT part of the basic method for shifting up?
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Accelerate while pressing the clutch and turn toward the driver's side.
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Release the accelerator, push in the clutch and shift to neutral at the same time.
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Release the clutch and press the accelerator at the same time.
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Push in the clutch and shift to the higher gear at the same time.
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40.
When drivers make a turn they should:
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look in the direction they are going to turn.
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look far ahead.
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look behind the vehicle.
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look in the opposite direction of the turn.
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