ID CDL PRACTICE TEST - GENERAL KNOWLEDGE
31.
Name two causes of tire fires.
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Under-inflated tires and dual tires that touch
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Driver smoking and poor ventilation.
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Excessive braking
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32.
HAZMAT placards are:
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regulatory signs
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warning signs
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speed signs
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33.
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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10
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5
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15
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34.
After beginning a trip, you should inspect your cargo:
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within the first 100 miles.
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during your first rest stop.
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within the first 50 miles.
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35.
The only way to stop a front-wheel skid is to:
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supply more power to the drive wheels.
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let the vehicle slow down.
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countersteer.
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36.
When traction is poor, as in rain or snow, you should speed up very gradually. If you don't:
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you could lose control.
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the brakes will not work.
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you will exceed the speed limit.
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37.
Which of the following is NOT correct? Anti-lock brakes:
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give drivers more control over the vehicle during braking.
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help drivers avoid skids caused by over braking.
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require drivers to apply the brakes as hard as they can without locking the wheels.
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38.
Your safety equipment must include:
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a dimmer switch.
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a properly charged and rated fire extinguisher.
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spare electrical fuses (only if your vehicle is equipped with circuit breakers).
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39.
To reduce the chance of rollover, you should:
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distributed the cargo as low as possible inside the trailer.
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put the lightest parts of the cargo under the heaviest parts.
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place the cargo as high as possible inside the trailer.
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40.
What is a common cause of tire fires?
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Cold tires
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Duals that touch
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All of the above.
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