CDL HAZMAT PRACTICE TEST SOUTH DAKOTA
21.
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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air pressure to build from 50 to 100 psi within 2 minutes.
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the vehicle to slide back and forth.
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a fire if spilled fuel is on the ground.
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22.
Weight that is loaded so there is a high center of gravity:
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causes greater chance of rollover.
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reduces the chance that the load will shift to the side or fall off.
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makes a vehicle easier to handle.
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All of the above.
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23.
The posted speed limit:
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should only be exceeded when passing other vehicles.
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is only a suggestion.
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may only be exceeded when driving in rural areas.
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should never be exceeded.
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24.
A placarded vehicle must have a fire extinguisher with a rating of:
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5 B:C or more
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5 A:B or more
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10 B:C or more
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10 A:B or more
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25.
When driving trucks with trailers, drivers should:
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decrease their following distance.
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make quick lane changes.
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push the brake pedal to the floor when braking.
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avoid making sudden movements with the steering wheel.
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26.
Explosives, flammable gases and flammable liquids should not be placed in a cargo space that has:
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reflective triangles.
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placards.
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an air conditioner.
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a heater.
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27.
For hazardous waste, shippers must keep a copy of shipping papers for _______ after the material is accepted by the initial carrier.
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2 years
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3 years
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6 months
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1 year
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28.
Which of the following is NOT something you must know in order to determine if you need to use placards?
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The amount of hazardous material being shipped.
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The amount of all hazardous materials of all classes on your vehicle.
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The material's hazard class.
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The manufacturing date of the materials.
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29.
When confronted by an aggressive driver, you should:
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avoid eye contact.
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call the police, if you have a cell phone and can do it safely.
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make every attempt to get out of their way.
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All of the above.
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30.
At a rest area, you discover your hazardous materials shipments is leaking. There is no phone around. You should:
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never park your vehicle.
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send someone else for help and give that person all of the necessary information.
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keep driving slowly until you reach a truck stop.
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continue driving in order to find a phone.
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