COMBINATION PRACTICE TEST - AL CDL
11.
A bridge formula permits:
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more maximum axle weight for axles that are far apart.
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less maximum axle weight for axles that are close together.
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more maximum axle weight for axles that are closer together.
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less maximum axle weight for axles that are far apart.
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12.
After a tire has been changed, the driver should stop a short while later to:
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deflate the tire to 10 psi.
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check the tightness of the nuts.
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check tread separation.
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decrease tire pressure.
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13.
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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is used only in the back of a piece of cargo
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goes from the upper part of the cargo to the floor
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None of the above.
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14.
Which of the following is NOT part of inspecting the coupling?
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Making sure there is no space between the upper and the lower fifth-wheel
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Checking for enough clearance between the rear of the tractor frame and the landing gear.
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Checking that the locking lever is in the "lock" position
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Making sure the fifth-wheel jaws have closed around the shank of the kingpin.
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15.
What factors can cause brakes to fail or fade?
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Brakes out of adjustment
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Not relying on the engine braking effect
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Excessive use of the service brakes
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All of the above.
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16.
Before starting down a hill, you should:
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look for an escape route.
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release the accelerator and shift to Neutral at the same time.
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slow down and shift to a lower gear.
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apply the brakes hard.
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17.
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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are less likely to roll over when 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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18.
If your vehicle gets stuck on the railroad tracks, you should:
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check for identifiable landmarks to give the location of the crossing.
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gather up your paperwork and shipping papers while calling 911, then get out of the vehicle.
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get out of your vehicle and away from the tracks.
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All of the above.
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19.
What are the two basic reasons for covering cargo?
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To protect the cargo from pilferage and from weather.
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To protect the cargo from weather and to avoid littering.
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To protect people from spilled cargo and the cargo from pilferage.
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To protect people from spilled cargo and the cargo from weather.
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20.
When more cargo is piled up in a truck, the center of gravity moves:
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to the right side of the truck.
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higher up from the road.
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to the left side of the truck.
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closer to the ground.
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