HazMat Hazardous Materials (HazMat) Endorsement Theory 3

Question 1

What does hazard class 3 represent in the DOT hazardous materials classification system?

Accepted Answer

Flammable and combustible liquids

Answer

Hazard class 3 covers flammable and combustible liquids, such as gasoline and diesel fuel.

Question 2

A driver must stop before crossing a railroad grade crossing when transporting which type of cargo?

Accepted Answer

Chlorine, explosives, or any quantity of a Division 2.3 gas

Answer

Vehicles carrying chlorine, explosives, or Division 2.3 gases must stop 15-50 feet before all railroad grade crossings.

Question 3

What is the minimum distance a hazardous materials vehicle must maintain from other vehicles while being fueled?

Accepted Answer

25 feet

Answer

When fueling, a hazardous materials vehicle must be at least 25 feet from any other vehicle.

Question 4

Which placard is required for a load of 1,001 pounds or more of Class 6 (Poison) materials?

Accepted Answer

POISON placard

Answer

A POISON placard is required when transporting 1,001 pounds or more of Division 6.1 poison materials.

Question 5

What does a 'bulk packaging' designation mean in hazardous materials regulations?

Accepted Answer

Packaging with a maximum capacity of 119 gallons or more, or 882 pounds or more for solids

Answer

Bulk packaging has a maximum capacity of 119 gallons or more for liquids, 882 pounds or more for solids, or 882 pounds or more water capacity for gases.

HazMat - Hazardous Materials Endorsement Practice Test

HazMat - Hazardous Materials Endorsement Practice Test

HazMat Hazardous Materials (HazMat) Endorsement Theory 3