GENERAL KNOWLEDGE CDL TEST SOUTH CAROLINA - PRACTICE TEST
21.
To correct a drive-wheel braking skid, you should:
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stop braking and countersteer.
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steer into the skid.
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release the clutch and press the accelerator at the same time, then countersteer.
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fully apply the brakes until you stop.
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22.
After an accident, an improper use of flares could cause:
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a fire if spilled fuel is on the ground.
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the springs to put on the brakes.
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the vehicle to slide back and forth.
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air pressure to build from 50 to 100 psi within 2 minutes.
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23.
If a shipping paper describes both hazardous and non-hazardous products, the hazardous materials must be:
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written in a larger font.
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identified by an "H" placed before the shipping description.
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listed at the bottom.
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entered first.
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24.
You cannot inspect sealed loads, but you should:
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check that you do not exceed gross weight and axle weight limits.
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check that the content matches the description on the shipping paper.
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check that the lightest parts of the cargo are under the heaviest parts.
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make sure the cargo is piled up high.
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25.
If you have a HazMat endorsement and renounce your U.S. citizenship:
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you may keep your endorsement until your next license renewal date.
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you may transfer your endorsement to a trusted U.S. citizen.
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you may keep your endorsement if you pass the exam for non-U.S. citizens.
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you will lose your HazMat endorsement.
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26.
Which surface is the most slippery?
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Wet ice
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Wet pavement
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Dry road
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Ice that is not wet
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27.
You should signal your intention to turn at least ____ before turning or changing lanes.
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250 feet
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75 feet
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50 feet
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100 feet
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28.
Which of the following statements is true?
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The weight of a cargo van changes its height.
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The heights posted at bridges and overpasses are always correct.
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The weight of a cargo van does not change its height.
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An empty van is lower than a loaded one.
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29.
If a load is 50 feet long, the minimum number of tie-downs required is:
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5
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3
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4
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10
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30.
_________ are used on many vehicles to provide extra gears.
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Retarders and multi-speed rear axles
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None of the other answers is correct.
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Auxiliary transmissions and power steering cylinders
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Multi-speed rear axles and auxiliary transmissions
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