CDL COMBINATION PRACTICE TEST TENNESSEE
11.
Transporting hanging meat requires special attention. Why?
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Because you have to drive fast to get it delivered fresh.
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Because hanging meat can be an unstable load with a high center of gravity.
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Because refrigerated trucks have less traction.
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All of the above.
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12.
The center of gravity of a trailer should be:
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at the rear of the trailer.
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as high as possible.
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as low as possible.
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at the front of the trailer.
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13.
To be in the proper position for coupling, the fifth wheel should:
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be tilted down towards the rear of the tractor.
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tilted up towards the rear of the tractor.
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be level with the ground.
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have its jaws closed around the shank of the kingpin.
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14.
If a load is placed on one side of the trailer:
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making turns may be easier.
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the steering axle weight will be too light to steer safely.
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a rollover is more likely.
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your brakes won't work.
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15.
If driving a heavy vehicle, you should:
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avoid braking.
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try to pass other vehicles going uphill.
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stay in the right lane.
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stay in the left lane.
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16.
Which of the following may have reduced the clearances since the heights were posted at bridges and overpasses?
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The weight of a cargo
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Repaving of the road
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Rain
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Traffic
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17.
Blocking _______________ to keep it from sliding.
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is used in the front, back, and/or sides of a piece of cargo
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goes from the upper part of the cargo to the floor
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is used only in the back of a piece of cargo
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None of the above.
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18.
Which of the following is NOT a way to determine if your trailer is equipped with ABS (antilock braking system)?
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It was built after March 1, 1998.
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It has yellow ABS malfunction lamps.
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The letters "ABS" are printed on the side of the steering wheel.
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Wheel speed sensor wires are coming from the back of the brakes.
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19.
The proper following distance for a 60-foot vehicle traveling at 50 mph is:
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4 seconds
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6 seconds
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7 seconds
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8 seconds
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20.
Anti-lock brakes:
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help you stop faster.
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reduce the perception distance.
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keep your brakes from locking up when you brake hard.
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increase your stopping distance.
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