HazMat Hazardous Materials (HazMat) Endorsement Theory 4

Question 1

What is a 'Division 1.1' explosive?

Accepted Answer

A mass explosion hazard explosive

Answer

Division 1.1 explosives are those that present a mass explosion hazard, meaning the entire load could detonate at once.

Question 2

When transporting hazardous materials, a driver is required to have a hazmat endorsement on their CDL for which situation?

Accepted Answer

Whenever transporting any quantity of a material requiring a placard

Answer

A CDL with hazmat endorsement is required any time a driver transports a quantity of hazardous materials that requires placards.

Question 3

What background investigation is required to obtain a hazmat endorsement on a CDL?

Accepted Answer

A TSA security threat assessment including an FBI fingerprint-based criminal history check

Answer

All hazmat endorsement applicants must pass a TSA security threat assessment, which includes an FBI fingerprint-based criminal history records check.

Question 4

What does 'CHEMTREC' provide to hazmat drivers and emergency responders?

Accepted Answer

24-hour emergency chemical information and assistance

Answer

CHEMTREC provides 24-hour emergency assistance and chemical safety information to emergency responders dealing with hazmat incidents.

Question 5

Which of the following materials requires the driver to have special written routes approved before transport?

Accepted Answer

Highway route-controlled quantities of radioactive materials

Answer

Drivers transporting highway route-controlled quantities of radioactive materials must follow a pre-approved, specific route.

HazMat - Hazardous Materials Endorsement Practice Test