Free CDL Hazmat Transport Practice Test (2026)

50 questions · 60 min · 80% to pass

50 Questions · 60 Minutes · 80% to Pass

Question 1 of 5

Sample Questions

Question 1

What does the term 'forbidden material' mean in hazmat transport?

Answer: Forbidden materials are hazardous materials that may never be transported by any mode of transportation under any circumstances.

Question 2

What hazard class covers flammable liquids?

Answer: Class 3 covers flammable liquids, such as gasoline and diesel fuel.

Question 3

What hazard class covers explosives?

Answer: Class 1 covers explosives, which are divided into six divisions (1.1 through 1.6) based on the type of explosion hazard.

Question 4

How many hazard classes are there in the DOT hazardous materials classification system?

Answer: There are 9 hazard classes, ranging from explosives (Class 1) to miscellaneous hazardous materials (Class 9).

Question 5

What hazard class covers poison gases and flammable gases?

Answer: Class 2 covers gases, including flammable gases (Division 2.1), non-flammable gases (Division 2.2), and poison gases (Division 2.3).