CDL HAZMAT PRACTICE TEST VIRGINIA
21.
What is the main difference between portable tanks and cargo tanks?
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The product is loaded or unloaded while the portable tanks are off the vehicle.
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Portable tanks are not permanently attached to a vehicle.
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All of the above.
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22.
To recognize if the shipment includes hazardous materials, you should look at the shipping paper and:
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look at the shapes of containers.
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see if there are tanks with diamond labels or placards on the premises.
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All of the above.
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23.
Which of the following statements about retarders is NOT correct?
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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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Retarders help you avoid skids.
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24.
When fueling a motor vehicle containing hazardous materials:
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someone must always be at the nozzle, controlling fuel flow.
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you may leave the engine on, unless a sign requires you to turn it off.
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someone with a fire extinguisher must be within 10 feet of the pump.
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25.
When they package the materials, shippers must:
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make them easy to handle.
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make them easy to identify.
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All of the above.
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26.
When you use your mirrors while driving on the road, you should:
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only use the driver's side mirror.
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check them quickly.
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avoid checking them regularly.
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27.
If you must stop on a one-way or divided highway, you should place warning devices _______ toward the approaching traffic.
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5, 50 and 500 feet
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5, 25 and 50 feet
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10, 100 and 200 feet
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28.
You should always be able to stop within:
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100 feet.
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the distance you can see ahead.
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50 feet.
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29.
Explosives, flammable gases and flammable liquids should not be placed in a cargo space that has:
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an air conditioner.
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placards.
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a heater.
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30.
Your vehicle has hydraulic brakes. When you press the brake pedal while driving and the pedal goes to the floor, remember that:
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pumping the brake pedal may generate enough hydraulic pressure to stop the vehicle.
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the parking brake should never used to slow the vehicle.
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shifting into neutral may help slow the vehicle.
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