DC CDL HAZMAT PRACTICE TEST
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Any driver, regardless of the vehicle Class, who wants to haul hazardous materials, must add an “H” endorsement to their CDL. In order to obtain the Hazmat endorsement drivers are required to pass a Transportation Security Administration background check and a knowledge test. The District of Columbia hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The DC CDL hazmat test covers the information found in the District of Columbia CDL Manual. Study the chapter covering hazardous materials to learn how to recognize, handle, and transport Hazmat, then take this practice test to prepare for your exam!
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1.
If hazardous materials are spilling from your vehicle while you are driving, after parking the vehicle do NOT:
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send someone else for help.
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secure the area.
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try to find the source of the leak by smell.
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stay there.
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2.
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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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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send someone else for help and give that person all of the necessary information.
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3.
The hazardous material ID number must appear:
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on the steering wheel.
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on the package and on paperwork at the shipping destination.
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on the back of the truck.
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on the shipping papers and on the package.
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4.
If hazardous materials are spilling from your vehicle while you are driving:
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continue driving in order to find a truck stop, phone booth or help.
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park the vehicle, secure the area and send someone else for help.
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try to find the source of the leak by smell.
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touch the leaking material to make sure it's not water.
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5.
If your vehicle is placarded, carries any amount of chlorine or has cargo tanks used for hazardous materials, you must stop _______ feet before the nearest railroad track.
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15 to 50
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50 to 100
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5 to 15
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100 to 200
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6.
If you are being tailgated, you should:
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flash your brake lights.
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increase your following distance.
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move to the left lane.
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speed up.
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7.
When driving at night, to avoid glare from oncoming vehicles you should:
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put your own high beams on when other drivers do not put their low beams on.
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look slightly to the right at a right lane or edge marking.
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look directly at lights of oncoming vehicles.
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wear sunglasses.
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8.
Which of the following hazard classes should NOT be placed into a temperature-controlled trailer?
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Classes 1, 3, and 5.1
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Classes 1, 4, and 5
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Classes 1, 3, and 4
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Classes 1, 2.1, and 3
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9.
When you take a break in the middle of your trip, you should check:
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heater, defroster and windshield wiper blades.
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tires, brakes, lights and cargo securement devices.
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missing exhaust pipes.
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gauges for signs of trouble.
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10.
Drivers of vehicles transporting HazMat should:
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compare the shipping paper to the markings and labels.
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ensure that all packages are labeled as flammable materials.
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ensure that all relevant placards are carried in the passenger compartment.
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All of the above.
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Hazmat CDL Test (DC)
| Number of questions: | 30 |
| Correct answers to pass: | 24 |
| Passing score: | 80% |
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