GENERAL KNOWLEDGE CDL TEST COLORADO - PRACTICE TEST
21.
Drivers who cannot see others are
a dangerous hazard. Be especially alert for all of the following, except:
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Pick-up trucks
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Rental trucks
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Loaded station wagons
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Vehicles with frosted windows
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22.
When the wheels of a trailer lock up, the trailer will tend to swing around. This is more likely to happen when:
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the trailer is overloaded.
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the trailer is fully loaded.
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the trailer is empty or lightly loaded.
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None of the above.
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23.
An anti-lock braking system (ABS):
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helps you avoid skids caused by over braking.
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helps you avoid wheel lock up.
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should help you steer around an obstacle while braking.
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All of the above.
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24.
Wheel and rim problems include:
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rust around wheel nuts.
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mismatched lock rings.
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missing clamps.
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All of the above.
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25.
When driving on wet roads, you should reduce your speed by about:
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one-quarter.
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one-fifth.
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one-half.
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one-third.
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26.
If you are caught in strong winds, you should:
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immediately take your foot off the accelerator.
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keep a strong grip on the steering wheel and slow down or pull off the roadway.
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speed up while keeping a strong grip on the steering wheel.
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None of the above.
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27.
Driving in very hot weather:
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can increase tire pressure.
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can decrease oil pressure.
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can make it difficult to stay in your lane.
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should never be done.
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28.
When inspecting brakes, you should look for:
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pads with oil, grease, or brake fluid on them.
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shoes worn dangerously thin.
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cracked drums.
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All of the above.
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29.
What is Gross Vehicle Weight Rating?
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The total weight of a single vehicle, including its load
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The total weight of a combination of vehicles excluding the load
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The total weight of a combination of vehicles including the load
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The value specified by the manufacturer as the loaded weight of a single vehicle
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30.
During a hazardous materials emergency, you should:
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prevent smoking and keep open flames away.
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keep everyone away.
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warn others of the danger.
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All of the above.
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