SOUTH CAROLINA CDL COMBINATION PRACTICE TEST
11.
Over-length loads:
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require special driving care.
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require special transit permits.
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may require special equipment such as "wide load" or flags.
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All of the above.
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12.
When backing a trailer, you should:
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turn the steering wheel in the direction you want to go.
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avoid correcting the drift.
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try to position your vehicle so you can back in a straight line.
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never make pull-ups to reposition your vehicle.
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13.
When looking at your cargo covers in the mirrors while driving, you must be aware that a flapping cover:
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means that the cargo is balanced.
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helps keep the cargo as close to the ground as possible.
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can tear loose, uncovering the cargo.
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keeps the cargo cool.
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14.
If you get stuck on the railroad tracks, the first thing you should do is:
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immediately get out of the cab and move away from the tracks.
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try to move your vehicle until you see the train.
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stay in your vehicle and call 911.
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scream for help.
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15.
If your vehicle gets stuck on the railroad tracks, you should:
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get out of your vehicle and away from the tracks.
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gather up your paperwork and shipping papers while calling 911, then get out of the vehicle.
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check for identifiable landmarks to give the location of the crossing.
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All of the above.
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16.
ABS helps you:
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increase your normal braking capability.
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steer gently and smoothly while you are braking.
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stop much faster.
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avoid wheel lock up and maintain control of your vehicle when you brake.
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17.
When you make a quick lane change, the crack-the-whip effect can turn the trailer over. The crack-the-whip effect is caused by:
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rearward amplification.
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worn tire tread.
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the rear trailer of a triple.
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strong wind.
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18.
When using a fire extinguisher, you should stay:
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as close to the fire as possible, without getting burnt.
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at least 10 feet away from the fire.
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as far away from the fire as possible.
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at whatever distance you think is safe.
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19.
Dual tires:
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should come in contact with each other whenever possible.
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should not come in contact with each other.
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should always come in contact with each other.
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are dangerous.
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20.
Which of the following is NOT part of a trailer air line system?
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Service air-line
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Emergency air-line
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Glad hands
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Kingpin
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