ALABAMA CDL PRACTICE TEST - GENERAL KNOWLEDGE
31.
When you park, you should try to park:
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so you'll be able to pull forward when you leave.
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so there is enough room to back out.
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on the shoulder of the road.
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None of the above.
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32.
The air compressor governor:
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stops the compressor from pumping air.
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allows the compressor to start pumping air when the tank pressure rises to the "cut-out" pressure.
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controls when the air storage tanks will pump air into the air compressor.
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All of the above.
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33.
Driving dry bulk tanks requires special care. Why?
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They have a high center of gravity.
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The load can shift.
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Their weight and size can make it more difficult to stop quickly.
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All of the above.
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34.
The safety valve is usually set to open at:
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200 psi.
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75 psi.
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100 psi.
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150 psi.
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35.
How should you hold the steering wheel?
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With your right hand on the wheel
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Firmly, with your left hand at the top of the wheel and the right hand at the bottom of the wheel
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Firmly, with your hands on opposite sides of the wheel
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With your left hand on the wheel
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36.
If a tire fails while you are driving, you should:
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stop on the roadway if possible.
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stay off the brake
until your vehicle has slowed down.
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brake as hard as possible.
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call your supervisor for instructions.
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37.
When driving at night, you should:
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use dark lenses if possible.
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look directly at the lights of oncoming vehicles.
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put your own high beams on if other drivers don't put their low beams on.
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drive slowly enough to see obstacles with your headlights.
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38.
When you check your tires, you should look for all of the following EXCEPT:
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Tread separation
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Tires from different manufacturers
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Mismatched sizes
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Dual tires that come in contact with parts of the vehicle
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39.
When driving on packed snow, you should reduce speed by:
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25%.
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one-third.
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a half.
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10%.
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40.
If your tires are hot, you should NOT:
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stop to let the tires cool down.
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drive until you correct the cause of the overheating.
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once the tires have cooled down, make another stop to check the tires.
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let air out of the tires so the pressure goes back to normal.
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