CO CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
21.
Cargo should be properly covered:
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to protect people from spilled cargo.
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to protect the weather from the cargo.
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to block your view or someone else’s.
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All of the above.
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22.
Livestock:
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should never be kept bunched together.
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should never be carried on a trailer.
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should always be placed in the rear of the trailer.
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can move around in a trailer and cause unsafe handling.
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23.
Water
in the brakes can cause the brakes to:
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overheat.
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fade.
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be weak or apply unevenly.
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break.
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24.
If your brakes fail while you are driving on a downgrade, you should:
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immediately start looking outside your vehicle for something to stop it.
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use an escape ramp if it's available.
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take the least hazardous escape route you can.
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All of the above.
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25.
Which of the following statements about driving in slippery conditions is NOT true?
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Wet ice is more slippery than ice that is not wet.
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The roads are most slippery in the first half hour after it starts to rain.
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When the temperature drops, bridges will freeze before the road will.
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As the temperature rises to the point where ice begins to melt, the road becomes less slippery.
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26.
Air brakes:
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can improve fuel efficiency.
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are prohibited on larger vehicles.
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are an effective way to stop large and heavy vehicles.
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should be used only when driving on wet roads.
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27.
When a tire suddenly blows out while you are driving, what should you do first?
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Brake lightly and hold the steering wheel firmly.
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Use controlled or stab braking.
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Use the parking brake.
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Hold the steering wheel firmly and stay off the brakes.
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28.
When backing a trailer, you should:
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avoid using the brakes.
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turn the steering wheel toward the direction you want to go.
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turn the steering wheel in the opposite direction of the turn.
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try to position your vehicle so you can back on a curved path.
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29.
Vehicles must be equipped with emergency equipment, including:
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2 battery-operated flashlights.
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horn.
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a safety valve.
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spare electrical fuses.
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30.
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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