CDL PRACTICE TEST (ID) - GENERAL KNOWLEDGE TEST
21.
Hazardous materials can be recognized by looking at the container's:
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label.
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type.
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color.
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22.
As part of your pre-trip inspection, make sure:
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the vehicle is not overloaded.
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the cargo is balanced properly.
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All of the above.
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23.
Texting while driving a CMV is:
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acceptable if the message less than 140 characters.
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acceptable if the message work-related.
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prohibited.
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24.
To test your hydraulic brakes for leaks:
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pump the brake pedal three times, then hold it down for five seconds.
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apply firm pressure to the brakes for five seconds, then pump them three times.
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turn off the engine and and listen for leaks.
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25.
When you check your tires, you should look for all of the following EXCEPT:
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Tires from different manufacturers
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Dual tires that come in contact with parts of the vehicle
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Tread separation
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26.
Which of the following statements about stopping distance is true?
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Perception distance is the distance your vehicle travels, in ideal conditions, from the time your eyes see a hazard until your brain recognizes it.
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Braking distance is the distance your vehicle will travel, in ideal conditions, while you are braking.
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All of the above.
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27.
Retarders:
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help slow a vehicle, reducing the need for using brakes.
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reduce braking distance.
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improve gas mileage.
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28.
Warnings on low bridges or underpasses:
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are often posted, but sometimes they are not.
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are always posted.
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must be posted.
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29.
Effects of distracted driving include:
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increased following distance.
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improved reaction time.
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incorrect inputs to the steering.
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30.
If your trailer starts to skid, you should:
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release the brakes.
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pump the brakes.
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steer in the opposite direction.
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