WV CDL HAZMAT TEST - PRACTICE TEST
21.
Before each trip, you must make sure:
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the cargo is balanced and secured.
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the truck is overloaded.
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your cargo obscures your view to the sides.
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the cargo has a high center of gravity.
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22.
Which of the following statements about retarders is NOT correct?
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Retarders reduce reduce brake wear.
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Retarders help you avoid skids.
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Retarders help slow a vehicle, reducing the need for using brakes.
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You should turn the retarder off whenever the road is wet, icy, or snow covered.
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23.
Which of the following may be used to warn of a stopped vehicle carrying explosives?
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Fuses
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Liquid burning flares
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Reflective triangles
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Fire signals
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24.
What shape are placards used for transporting hazardous materials?
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Diamond
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Circle
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Rectangle
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Triangle
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25.
One way to prevent hydroplaning is to:
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use the controlled braking method.
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take curves at higher speeds.
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have less than 4/32 inch tread depth in every major groove on front tires.
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make sure you have enough tread on your tires.
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26.
Shipping papers should be:
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placed on all sides of the vehicle.
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placed in the passenger compartment.
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easily seen from the direction they face.
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easily seen by someone entering the cab.
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27.
Which of the following hazard classes should NOT be placed into a temperature-controlled trailer?
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Classes 1, 2.1, and 3
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Classes 1, 3, and 4
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Classes 1, 4, and 5
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Classes 1, 3, and 5.1
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28.
If stopped on a hill, how can you start moving without rolling back?
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Release the parking brake before you have applied enough engine power to keep from rolling back.
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Partly engage the clutch before you take your right foot off the brake, put on the parking brake if necessary.
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Press on the gas pedal, even if you have to roll back a little.
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None of the above.
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29.
The hazardous materials regulations require vehicles transporting certain types or quantities of HazMat to display warning signs called:
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reflective triangles.
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HazMat warnings.
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placards.
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advance warning signs.
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30.
Class 1 hazardous materials include:
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Radioactive materials
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Flammable liquids
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Flammable solids
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Explosives
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