CDL GENERAL KNOWLEDGE TEST (SC) - PRACTICE TEST
21.
_________ can make vehicle handling unsafe.
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Dry roads
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ABS
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Poor weight balance
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Poor ventilation
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22.
The most common cause of skidding is:
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spilled oil.
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driving too fast for conditions.
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black ice.
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surface water.
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23.
To keep cargo from shifting or falling off, cargo should have at least one tie-down for every ___ feet of cargo.
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20
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10
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15
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5
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24.
You should always be able to stop within:
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100 feet.
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50 feet.
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25 feet.
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the distance you can see ahead.
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25.
Enough tread is especially important in winter conditions. You need at least ________ tread depth on steering axle tires.
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6/24 inch
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2/8 inch
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8/32 inch
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4/32 inch
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26.
If your vehicle gets stuck on a railroad track, you should:
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get out of the vehicle and walk as far away from the tracks as possible.
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stay in the vehicle and call for help.
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stay in the vehicle and call your dispatcher or supervisor for instructions.
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try to re-start the vehicle.
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27.
If you are involved in a collision and not seriously hurt, you should:
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notify the authorities.
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protect the area.
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do your best to care for the injured.
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All of the above.
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28.
At highway speeds, good drivers look at least _______ ahead.
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1/4 mile
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150 feet
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1 mile
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1/2 feet
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29.
To warn drivers behind you that you will be slowing down, you should:
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tap your brake pedal a few times to flash your brake lights.
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turn on the right and left turn signals at the same time.
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turn on the 4-way emergency flashers.
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turn on the parking, clearance and side-marker lights.
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30.
If there is a fire in your vehicle, do NOT:
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park in an open area.
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park away from buildings and other vehicles.
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pull into a service station.
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notify emergency services.
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