FREE CDL Hazardous Materials (HazMat) Endorsement Questions and Answers

Question 1

What qualifies the hazardous material being transported? Manifests, bills of lading, and shipping orders are all regarded as belonging to this category.

Accepted Answer

Shipping paper

Answer

Correlation table

Answer

Hazmat index

Answer

Hazardous identifier

Question 2

What is the name of the four-digit code that first responders use to identify hazardous materials and which is preceded by the letters "NA" or "UN"?

Accepted Answer

Identification number

Answer

Hazmat approval number

Answer

Hazard class

Answer

Chemical composition

Question 3

Which of the following ways must the hazardous materials be listed if a shipping paper lists both hazardous and non-hazardous goods?

Accepted Answer

All of the above

Answer

The hazardous materials must be identified by an “X” placed before the shipping name in a column captioned “HM.” The letters “RQ” may be used instead of “X” if a reportable quantity is present in one package

Answer

The hazardous materials must be highlighted in a contrasting color

Answer

The hazardous materials must be described first

Question 4

A manual on how to protect oneself and the public from hazardous materials is available from the Department of Transportation for use by firefighters, police officers, and industry employees. What is it called?

Accepted Answer

Emergency Response Guidebook

Answer

Commercial Driver's Hazardous Response Guide

Answer

Guide To Hazardous Materials Handling And Response

Answer

Hazardous Materials Driver Regulations Manual

Question 5

How many feet must you leave between your truck and an open flame when parking it with hazardous materials inside?

Accepted Answer

300 ft

Answer

50 ft

Answer

100 ft

Answer

200 ft

Question 6

All railroad crossings require a stop, EXCEPT when:

Accepted Answer

Your vehicle carries less than a reportable quantity of hazardous materials

Answer

Your vehicle has cargo tanks, whether loaded or empty, used for hazardous materials

Answer

Your vehicle carries any amount of chlorine

Answer

Your vehicle is placarded

Question 7

To determine which materials are hazardous, there are three main lists. One of those lists is which of the following?

Accepted Answer

All of the above

Answer

Section 172.101: Hazardous Materials Table

Answer

Appendix B to Section 172.101: List of Marine Pollutants

Answer

Appendix A to Section 172.101: List of Hazardous Substances and Reportable Quantities

Question 8

The following symbol: What does it mean?

Accepted Answer

Low temperature or cryogenic hazard

Answer

Icy conditions

Answer

Cold storage required (freezing point of water or below)

Answer

Dangerous when frozen

Question 9

Which of the following phrases best describes the most dangerous substance?

Accepted Answer

Danger

Answer

Hazard

Answer

Caution

Answer

Warning

Question 10

The following symbol: What does it mean?

Accepted Answer

Potentially harmful chemical, generally an irritant

Answer

General warning sign that says just don't do it

Answer

Don't store chemicals here

Answer

Do not enter