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UPGRADE TO CDL PREMIUM
1.
If you go twice as fast, your stopping distance will increase by:
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four times.
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two times.
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eight times.
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2.
Emergency brakes must be held on by:
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hydraulic pressure.
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mechanical force.
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air pressure.
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3.
The safety valve installed in the first tank the air compressor pumps air is set to open:
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if there is too little pressure.
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if there is too much pressure.
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at 30 psi.
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4.
Under a pressurized system, the radiator cap:
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should never be hot.
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should be removed when the coolant is hot.
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should never be removed until the system has cooled.
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5.
ABS helps you:
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keep the wheels from locking up.
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decrease your average speed.
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lock your wheels.
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6.
You should be especially alert for drunk drivers:
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late at night.
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in the morning.
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around shopping areas.
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7.
The weight of a truck:
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has no effect on stopping distance.
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has an impact on stopping distance.
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is not as important as the vehicle's center of gravity in determining stopping distance.
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8.
For safe handling, the heaviest trailer should be:
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the second trailer in a triple.
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the last trailer.
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behind the tractor.
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9.
Over-length loads:
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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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10.
When driving double and triple trailers, drivers should:
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allow more following distance.
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steer gently and go slowly around corners.
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All of the above.
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