FREE Hazardous Materials (HazMat) Endorsement Theory Questions and Answers

Question 1

According to the UN Classification of HazMat, how many different kinds of hazmat exist?

Accepted Answer

9

Answer

5

Answer

8

Answer

6

Question 2

What potential risks could Class 3-Liquids encounter?

Accepted Answer

Flowing fire

Answer

Radiation sickness

Answer

Metal dust

Answer

Injuries due to projectiles

Question 3

Which of these DOES NOT present a threat to Class 1 materials?

Accepted Answer

Loss of body functions such as respiration.

Answer

Ear rupture is caused by the sound waves

Answer

Outbreak of fires

Answer

Danger of injuries via projectiles

Question 4

Which of the following statements is accurate for Class 4 flammable solids?

Accepted Answer

Easily ignited and difficult to extinguish

Answer

Substances that releases oxygen

Answer

A chemical substance that in itself can react to produce a gas at a relatively high temperature and pressure and at such a speed as to damage the surroundings.

Answer

Very reactive with combustibles - spontaneous combustion

Question 5

How many classifications are there in Class 5 - Oxidizing Substances?

Accepted Answer

2

Answer

8

Answer

5

Answer

13

Question 6

Which HazMat Class among the following has the attribute "reacts with metals - liberates hydrogen"?

Accepted Answer

Class 8 Corrosives

Answer

Class 7 Radioactives

Answer

Class 2 Gases

Answer

Class 3 Liquids

Question 7

What are dangerous substances?

Accepted Answer

Substances which have the potential to do harm to living tissues, damage to property and pollute the environment

Answer

Substances which will always cause harm

Answer

Substances which are not useful at all

Answer

Substances which will always destroy properties and pollute the environment

Question 8

What should you do if a suspicious object (such as a bomb) is seen in public?

Accepted Answer

Move away and warn people in the area about it, report immediately to the police

Answer

Report it immediately to your best friend

Answer

Do not do anything about it

Answer

Check the object to see if it is really a bomb

Question 9

If the wrapping material has oily stains or discoloration and the mail or package emits an odd aroma that is akin to almond or marzipan, you should believe it is a bomb. False or True?

Accepted Answer

True

Answer

False

Question 10

How many different kinds of chemical agents exist?

Accepted Answer

4

Answer

2

Answer

5

Answer

6