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 Maryland Commercial Driver Guide. 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. If transporting chlorine, what must be in the vehicle?

A gas mask

Goggles

An axe

A cell phone

A driver transporting chlorine in cargo tanks must have an approved gas mask in the vehicle, as well as an emergency kit for controlling leaks in dome cover plate fittings on the cargo tank.

2. A person attending a placarded vehicle may be:

In the sleeper berth.

Either awake or asleep inside the vehicle.

Within 100 feet of the vehicle.

A person attending a parked placarded vehicle must be either awake inside the vehicle or they must be within 100 feet of it. If not inside the vehicle itself, the person must have a clear view of the vehicle. The person attending may not be inside the sleeper berth.

3. When trying to control a minor truck fire, what should you do before opening trailer doors?

Check to see if the doors are hot.

Throw water on the doors.

Remove your protective equipment.

If you are experiencing a truck fire, you should not attempt to open trailer doors without first feeling the doors to see if they are hot. If the doors are hot, there may be a cargo fire. Leave the doors closed if there is a cargo fire.

4. An explosive material is most likely categorized as a ____ hazard.

Class 1

Class 3

Class 6

Class 7

Class 1 hazardous materials are typically items that present certain explosion or fire hazards.

5. Who is responsible for identifying the hazard class of materials being shipped?

The shipper

The carrier

The driver

The mechanic

The shipper of hazardous materials is responsible for identifying the product's identification number; proper shipping name; hazard class; packing group; and correct packaging, labels, marking, and placards.