CDL GENERAL KNOWLEDGE TEST (DISTRICT OF COLUMBIA) - PRACTICE TEST
21.
Before entering a curve, drivers should:
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speed up.
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drive on the shoulder.
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put the transmission in Neutral.
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downshift to the right gear.
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22.
When the road is very slippery, you should:
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use the parking brake instead of the service brake.
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apply the brakes often to keep the linings dry.
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stop at the first safe place.
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downshift to stop.
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23.
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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24.
Road rage is defined as:
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operating a motor vehicle in a selfish, pushy manner.
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unnecessarily honking your horn.
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driving over the speed limit.
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driving with the intent of doing harm to others.
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25.
If your brakes get wet, it can cause them:
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to apply unevenly.
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to grab.
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to be weak.
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All of the above.
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26.
In a convex mirror everything appears:
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larger.
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darker.
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brighter.
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smaller.
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27.
Which of these should you check before driving in winter?
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Windshield wiper blades
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Defrosters
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Coolant level and antifreeze amount
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All of the above.
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28.
A burning tire must be:
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covered with cloth.
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cooled with water.
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immediately removed from the vehicle.
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None of the above.
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29.
On any upgrade, gravity:
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slows you down.
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speed you up.
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doesn't affect your speed.
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doubles your speed.
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30.
When driving on slippery surfaces, you should:
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not pass slower vehicles unless necessary.
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change lanes often.
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make turns as quickly as possible.
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All of the above.
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