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UPGRADE TO CDL PREMIUM
1.
The minimum amount of tread for rear tires is:
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1/32 of an inch
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1/8 of an inch
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2/32 of an inch
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1/64 of an inch
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2.
What should you do if your vehicle starts hydroplaning?
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Accelerate slightly, then push in the clutch to slow down.
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Leave the road completely.
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Apply the brakes and countersteer to regain control of the vehicle.
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Release the accelerator and push in the clutch to let the wheels turn freely.
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3.
When backing, you should:
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back and turn toward the right side whenever possible.
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only use mirror on the driver's side.
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back quickly.
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use the mirrors on both sides.
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4.
The posted speed limit for a curve:
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is safe for trucks or buses, but it may be too fast for cars.
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is safe for all vehicles.
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is optional and may be exceeded.
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may be too fast for many trucks or buses.
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5.
If there is a fire and you are not sure what to use to put it out, you should:
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use water.
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use dry powder.
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wait for firefighters.
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use a fire extinguisher.
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6.
Pre-trip inspections are:
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required by law
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required only for trips of more than 50 miles.
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recommended.
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required only for trips of more than 100 miles.
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7.
Hydroplaning:
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can occur only if there is a lot of water on the road.
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can occur at speeds as low as 30 mph.
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can occur at speeds as low as 10 mph, if there is a lot of water.
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is less likely if tire pressure is low.
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8.
Black ice:
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is thick enough that it makes the road look wet.
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is a thin layer that is clear enough that you can see the road underneath it.
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is thick enough that it makes the road look dry.
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None of the above.
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9.
The vehicle inspection report:
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ensures that when the driver gets behind the wheel, the mechanic is responsible for the safe operation of the vehicle.
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tells the shipper how to package the materials.
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ensures that vehicle inspections are conducted regularly.
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tells the motor carrier about problems that may need fixing.
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10.
ABS:
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helps you increase your following distance.
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helps you increase your average speed.
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improves your visibility at night.
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does not decrease your stopping distance.
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