Hazardous Materials (HazMat) Endorsement Theory Flashcards
7 cards from real HAZMAT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Hazardous Materials (HazMat) Endorsement Theory flashcards as text
What is a 'Division 1.1' explosive?
Answer: A mass explosion hazard explosive
Division 1.1 explosives are those that present a mass explosion hazard, meaning the entire load could detonate at once.
When transporting hazardous materials, a driver is required to have a hazmat endorsement on their CDL for which situation?
Answer: Whenever transporting any quantity of a material requiring a placard
A CDL with hazmat endorsement is required any time a driver transports a quantity of hazardous materials that requires placards.
What background investigation is required to obtain a hazmat endorsement on a CDL?
Answer: A TSA security threat assessment including an FBI fingerprint-based criminal history check
All hazmat endorsement applicants must pass a TSA security threat assessment, which includes an FBI fingerprint-based criminal history records check.
What does 'CHEMTREC' provide to hazmat drivers and emergency responders?
Answer: 24-hour emergency chemical information and assistance
CHEMTREC provides 24-hour emergency assistance and chemical safety information to emergency responders dealing with hazmat incidents.
Which of the following materials requires the driver to have special written routes approved before transport?
Answer: Highway route-controlled quantities of radioactive materials
Drivers transporting highway route-controlled quantities of radioactive materials must follow a pre-approved, specific route.
What action must a driver take if a tire on a vehicle carrying hazardous materials goes flat or catches fire?
Answer: Park, check the tire, and do not continue until the tire is safe and the load is secure
If a tire fails on a hazmat vehicle, the driver must park safely and not continue until the tire situation is resolved and the hazmat load remains secure.
What is the significance of the four-digit identification number displayed on a placard or orange panel?
Answer: It identifies the specific hazardous material being transported for emergency response purposes
The four-digit ID number identifies the specific hazardous material, allowing emergency responders to look up proper response procedures in the ERG.