CDL HAZMAT PRACTICE TEST MISSISSIPPI
21.
If you notice a cargo leak, you should identify the hazardous material leaking:
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by using the shipping papers.
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by touching the material.
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by taste.
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by smell.
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22.
After an accident, an improper use of flares could cause:
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the springs to put on the brakes.
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the vehicle to slide back and forth.
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air pressure to build from 50 to 100 psi within 2 minutes.
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a fire if spilled fuel is on the ground.
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23.
If your vehicle thumps or vibrates heavily, it may be a sign that:
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one of the tires has gone flat.
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the brakes have failed.
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the engine belt is loose.
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you need to shift up.
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24.
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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25.
The basic description of hazardous materials does NOT include:
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the name of the hazardous materials in italics.
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hazard class or division.
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ID number.
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All of the above.
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26.
If the words "Inhalation Hazard" appears on the shipping paper, the __________ placard must be displayed.
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Poison Inhalation Hazard or Poison Gas
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Corrosive Materials
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Liquid Gas
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Reportable Quantity Hazard
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27.
When you discover a fire, if the trailer doors are hot you should not open them because:
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you should use the fire extinguisher on the door.
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the temperature of the trailer should not be changed in any way.
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with air many fires do less damage.
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opening the doors lets air in and may make the fire flare up.
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28.
With brake drums, if brakes become too hot:
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the brakes will supply too much power to the drive wheels.
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the air compressor will kick on to cool the brakes.
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your ABS will malfunction.
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the brakes may stop working.
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29.
Before each trip, you must make sure:
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the cargo has a high center of gravity.
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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 is balanced and secured.
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30.
When driving in work zones you should:
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Drive slowly and carefully.
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Observe the posted speed limits at all times.
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Use your four-way flashers or brake lights to warn drivers behind you.
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All of the above.
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