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UPGRADE TO CDL PREMIUM
1.
Containerized loads:
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must be inspected before and after the trip.
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should exceed gross weight and axle weight limits.
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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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2.
If your cargo only fills one-third of the length of your trailer, make sure your cargo is:
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piled up high with heavy cargo on top.
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to one side and as close to the ground as possible.
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centered and spread out as much as possible.
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loaded so there is a high center of gravity.
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3.
You are coupling a semi-trailer to your tractor but have not yet backed under. The trailer is at the right height when:
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the locking jaws are around the head of the kingpin.
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it will be raised slightly when the tractor is backed under it.
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the end of the kingpin is even with the top of the fifth wheel.
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None of the above.
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4.
Which of the following is not a reason for covering cargo?
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To prevent other drivers from looking at the cargo
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To protect the cargo from weather
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To protect people from spilled cargo
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All of the above.
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5.
If your trailer starts to skid, you should:
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accelerate slightly.
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keep the rear of your vehicle close to the curb.
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use the trailer hand brake (if you have one) to straighten out the rig.
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release the brakes to get traction back.
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6.
When more cargo is piled up in a truck, the truck becomes easier to turn over. Fully loaded rigs are _________ to roll over in a crash than empty rigs.
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five times more likely
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three times more likely
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ten times more likely
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less likely
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7.
Which of the following statements about off-tracking is true?
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When a vehicle goes around a corner, the rear wheels follow the same path as the front wheels.
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Longer vehicles off-track less.
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If there is more than one trailer, the rear wheels of the last trailer will off-track the most.
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None of the above.
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8.
Tests have shown that trucks with a high center of gravity:
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can roll over at the posted speed limit for a curve.
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can roll over if the driver slows down before entering a curve.
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can roll over if the driver exceeds the posted speed limit for a curve.
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are less likely to roll over when entering a curve.
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9.
At passive railroad crossings, even if there are active railroad signals that indicate the tracks are clear, you must _________ to be sure it is safe to proceed.
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go, stop and listen
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stop, look, and listen
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listen, look and stop
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go, look and put the transmission in neutral
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10.
Over-length loads:
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require special driving care.
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may require special equipment such as "wide load" or flags.
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require special transit permits.
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All of the above.
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