CDL HAZMAT PRACTICE TEST DISTRICT OF COLUMBIA
11.
What factors can cause brakes to fade?
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Gravel and tar.
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Dirt roads and in unpaved yards.
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Excessive heat and brakes out of adjustment.
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Slippery surfaces and shaded areas.
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12.
If the "Hazard Class" or "Division" column of the Hazardous Material Table contains the word "Forbidden", you should:
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transport the "Forbidden" material at night.
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never transport the "Forbidden" material.
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be aware that the load may require a police escort.
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None of the above.
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13.
Air brakes use ________ to make the brakes work.
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compressed oil
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compressed air
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compressed gases
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compressed gas cylinders
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14.
Shippers must warn drivers and others about the material's hazards:
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by placing the transmission in Neutral.
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by placing a red triangle with an orange center on the vehicle.
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by putting hazard warning labels on packages.
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by making a written report each day on the condition of the material.
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15.
When backing a truck you should:
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look straight ahead.
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always rely on your mirrors.
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get out and walk around the vehicle before you begin to back.
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back and turn toward the right side.
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16.
Explosives, flammable gases and flammable liquids should not be placed in a cargo space that has:
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placards.
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reflective triangles.
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a heater.
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an air conditioner.
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17.
To find out if a shipment includes hazardous materials, you should:
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look at the shipping papers.
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Turn your engine off, then check the cargo.
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carefully inspect every package and container.
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look for a hazardous material spill.
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18.
When confronted by an aggressive driver, you should:
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avoid eye contact.
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make every attempt to get out of their way.
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call the police, if you have a cell phone and can do it safely.
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All of the above.
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19.
You are inspecting your vehicle during a trip. What should you do?
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Check critical items such as tires, brakes, and lights.
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Use your senses to check for problems.
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Watch gauges for signs of trouble.
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All of the above.
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20.
If the word "Forbidden" is written or typed in the Hazard Class or Division column of any entry in the Hazardous Materials Table:
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Never transport the product.
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The product may only be transported with an escort vehicle.
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The carrier may not open the package or container.
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The product must never be larger than the RQ.
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