HAZMAT CDL PRACTICE TEST - UTAH
21.
Class 1 hazardous materials include:
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Explosives
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Flammable liquids
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Radioactive materials
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Flammable solids
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22.
An ABS system:
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keep your wheels from locking when you brake hard.
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gives you more control over the vehicle during braking.
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helps you avoid skids caused by over braking.
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All of the above.
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23.
You had to drive onto the right shoulder to avoid a crash. You are now driving at 40 mph on the shoulder. How should you move back onto the pavement?
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Brake hard to slow the vehicle, then steer sharply onto the pavement.
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Keep moving at the present speed and steer very gently back onto the pavement.
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If the shoulder is clear, stay on it until your vehicle has come to a stop, then move back onto the pavement when it is safe.
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None of the above.
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24.
Placards are used:
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to warn other drivers when the load on the vehicle extends 4 feet or more beyond the rear of the body.
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to warn others of hazardous materials.
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to warn other drivers about the risks of tailgating.
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to protect the accident area.
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25.
As you approach off ramps and on ramps, remember:
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that downgrades make it easier to reduce speed.
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to maintain your highway speed.
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that the posted speed limit may not be safe for larger vehicles.
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to always brake and turn at the same time.
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26.
A vehicle contains 500 pounds each of explosives A and B. Federal rules require placarding with:
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"Dangerous" placards.
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Explosives B placards.
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Explosive A placards.
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None of the above.
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27.
For a cargo fire in a box trailer, you should:
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wait 10 minutes before opening the doors.
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use the fire extinguisher on the doors.
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open the doors immediately and use the fire extinguisher.
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keep the doors shut.
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28.
Nitric acid should:
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not be loaded above any other product.
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stacked to the ceiling.
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loaded above other products.
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piled up high with heavy cargo on top.
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29.
When driving in hot weather, drivers should inspect tires:
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every 2 hours or every 100 miles.
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every 4 hours or every 200 miles.
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every hour or every 50 miles.
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every 3 hours or every 75 miles.
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30.
The hazardous material ID number must appear:
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on the shipping papers and on the package.
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on the back of the truck.
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on the package and on paperwork at the shipping destination.
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on the steering wheel.
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