IA CDL HAZMAT TEST - PRACTICE TEST
21.
If hazardous materials are spilling from your vehicle, do not move it:
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unless you are instructed to do so by a law enforcement officer.
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any more than 500 feet.
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any more than safety requires.
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22.
Which of the following is a common cause of truck fires?
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Short circuits due to loose connections.
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Under-inflated tires and duals that touch.
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All of the above.
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23.
The identification numbers assigned to chemicals can be found:
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in the DOT Emergency Response Guide.
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in the driver's manual.
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on the HazMat website.
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24.
If you are being tailgated, you should do all of the following except:
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Increase your following distance
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Reduce your speed gradually
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Turn on your taillights
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25.
Hazardous materials include all of the following except:
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Explosives
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Oxidizers
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Livestock
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26.
Improperly placarded vehicles can only be moved:
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at night.
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by their owner.
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during an emergency.
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27.
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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All of the above.
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28.
When should you downshift automatic transmissions?
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When going down steep grades.
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When you start to get drowsy.
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Watch your tachometer, and downshift when your engine reaches the top of the range.
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29.
When driving at night you should dim your lights when following another vehicle within:
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1 mile.
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100 feet.
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500 feet.
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30.
When driving, you should check mirrors regularly to know where other vehicles are around you. Remember that:
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convex mirrors make things look larger and closer than they really are.
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you should check your after the start of any trip to make sure they are properly adjusted.
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there are blind spots that your mirrors cannot show you.
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