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The names of materials.
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Where materials originate.
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Special provisions for materials.
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Materials' manufacturers.
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District Of Columbia CDL Permit Test - HazMat
(From the 2020 District Of Columbia CDL driver handbook)
| Number of questions: | 30 |
| Passing score: | 24 |
Directions:
This endorsement is required to haul hazardous materials as defined in Title 49, CFR, ยง383.5. To receive this endorsement, drivers must also pass a Transportation Security Administration background check. To receive this endorsement, applicants must pass a test. The test consists of 30 multiple choice questions. To pass, the applicant must answer at least 24 questions correctly. Each question has four possible answer choices. Test questions come from the Washington D.C. Commercial Driver License Manual. Questions come from the chapter covering: Hazardous Materials. The Hazardous Materials endorsement can be used with Class A, B and C CDL.
Passing grade —
6 or fewer errors
advertising
1.
In the Hazardous Materials Table, Column 2 lists:
2.
What shape is a placard indicating hazardous materials?
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Diamond
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Triangle
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Circle
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Octagon
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3.
When loading or unloading explosive materials, you should:
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Keep the engine running.
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Turn off the engine.
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Use sharp-pointed tools to open the packages.
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Toss packages.
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4.
When refueling a vehicle that contains hazardous materials:
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The engine should be left on.
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The engine should be turned off.
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The gas nozzle may be left unattended.
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No other vehicles should be at the refueling station.
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5.
Containers of hazardous materials must be:
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Packed in larger brown-colored containers.
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Braced to prevent movement during transportation.
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Made of cardboard.
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A maximum of four feet tall.
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6.
When loading hazardous materials, you should do all of the following, except:
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Set the parking brake.
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Load the materials away from heat.
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Watch for signs of leakage.
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Use a hook.
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