Instructions

HazMat

This endorsement is required to haul hazardous materials as defined in Title 49, CFR, §383.5. 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.

Number of Question 30

Passing Score 24

1. Containers of hazardous materials must be:

Packed in larger brown-colored containers.

Braced to prevent movement during transportation.

Made of cardboard.

A maximum of four feet tall.

Containers of hazardous materials must be braced so that they will not fall, slide, or bounce around during transportation.

2. In the Hazardous Materials Table, Column 2 lists:

The names of materials.

Where materials originate.

Special provisions for materials.

Materials' manufacturers.

Column 2 of the Hazardous Materials Table lists the proper shipping names and descriptions of regulated materials.

3. When refueling a vehicle that contains hazardous materials:

The engine should be left on.

The engine should be turned off.

The gas nozzle may be left unattended.

No other vehicles should be at the refueling station.

If you need to refuel a vehicle carrying hazardous materials, you must first turn off the engine. While refueling, someone must be at the nozzle and controlling the fuel flow at all times.

4. When loading hazardous materials, you should do all of the following, except:

Set the parking brake.

Load the materials away from heat.

Watch for signs of leakage.

Use a hook.

When loading hazardous materials, do not use hooks or tools that could damage containers or other packaging.

5. What shape is a placard indicating hazardous materials?

Diamond

Triangle

Circle

Octagon

In general, vehicles carrying hazardous materials are required to display diamond-shaped warning signs on all four sides. These warning signs are called "placards."