HazMat Hazardous Materials (HazMat) Endorsement Operations 2

Question 1

Which federal agency is primarily responsible for regulating the transportation of hazardous materials by highway?

Accepted Answer

PHMSA

Answer

The Pipeline and Hazardous Materials Safety Administration (PHMSA) sets the HazMat regulations under the Hazardous Materials Regulations (HMR).

Question 2

What does the 'UN' prefix on a hazardous materials identification number signify?

Accepted Answer

The number is internationally recognized under United Nations standards

Answer

The 'UN' prefix indicates the four-digit identification number is internationally recognized under the United Nations system.

Question 3

When must a driver stop at a railroad crossing while transporting hazardous materials?

Accepted Answer

Always, unless a flagman signals otherwise

Answer

Drivers transporting placarded HazMat must always stop at railroad-highway grade crossings between 15 and 50 feet from the nearest rail.

Question 4

What is the primary purpose of the Emergency Response Guidebook (ERG)?

Accepted Answer

To provide first responders with initial guidance during HazMat incidents

Answer

The ERG provides first responders with quick-reference guidance on initial actions to protect themselves and the public during hazardous materials incidents.

Question 5

Which of the following materials is classified as a Division 2.1 hazard?

Accepted Answer

Flammable gas

Answer

Division 2.1 covers flammable gases such as propane and hydrogen.

HazMat - Hazardous Materials Endorsement Practice Test

HazMat - Hazardous Materials Endorsement Practice Test

HazMat Hazardous Materials (HazMat) Endorsement Operations 2