CDL PRACTICE TEST - GENERAL KNOWLEDGE (NORTH CAROLINA)
31.
When driving in very hot weather, you may have to:
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reduce your speed to prevent overheating.
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watch out for black ice.
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increase your speed until the tires cool off.
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decrease your following distance.
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32.
How can you tell if your vehicle is equipped with ABS?
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Look for yellow ABS malfunction lamps on the instrument panel.
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Trailers will have yellow ABS malfunction lamps on the left side.
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Look under the vehicle for the wheel speed sensor wires coming from the back of the brakes.
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All of the above.
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33.
Confused drivers may:
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change lanes for no apparent reason.
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change direction suddenly.
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stop without warning.
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All of the above.
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34.
When an aggressive driver confronts you, you should:
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sound your horn and move to the left lane.
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return gestures and shouts.
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avoid eye contact.
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make eye contact.
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35.
If your trailer starts to skid, you should:
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lock the brakes.
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release the brakes.
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pump the brakes.
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steer in the opposite direction.
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36.
To control your speed on a downgrade, you should:
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fully apply the brakes.
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use engine braking.
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use controlled braking.
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coast in neutral.
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37.
When backing your vehicle, it's not recommended to:
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use the lowest reverse gear.
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back as slow as possible.
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back and turn towards the driver's side.
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back towards the right side.
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38.
What should you do at an accident scene, among other things, to help prevent another accident?
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Stay in your vehicle and file an accident report.
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If you are stopping to help, park in the area immediately around the accident.
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Call for assistance.
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Put on your 4-way emergency flashers.
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39.
When you are driving in heavy traffic, the safest thing to do is to:
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drive at the posted speed limit.
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drive 10 mph below the speed of other traffic.
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drive at the speed of other traffic (without going at an illegal or unsafe speed).
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drive 10 mph below the speed limit.
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40.
Suspension system defects include:
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rust around wheel nuts.
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cracked or broken spring hangers.
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steering wheel play of more than 10 degrees.
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All of the above.
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