Free WHMIS Hazard Classes and Symbols Questions and Answers

Question 1

What does the following border signify?

Accepted Answer

Container Itself Can Be Dangerous

Answer

Face Materials Downward

Answer

Container Contents Are Dangerous

Answer

Handle With Care

Question 2

What does the following WHMIS symbol warn you about?

Accepted Answer

Explosion Hazard

Answer

Bomb

Answer

Exploding Shrapnel

Answer

Gases Under Extreme Pressure

Question 3

The following WHMIS symbol represents what type of material?

Accepted Answer

Flammable

Answer

Oxidizing

Answer

Dangerously Reactive

Answer

Poisonous

Question 4

Which of the following words don’t accompany a WHMIS symbol to indicate the severity of risk?

Accepted Answer

Warning

Answer

Caution

Answer

Danger

Answer

Extreme Danger

Question 5

What is the purpose of WHMIS?

Accepted Answer

All of the above

Answer

To identify hazardous materials within the workplace and handle them safely

Answer

To reduce accidents and health hazards in the workplace

Answer

To increase safety for everyone in the workplace

Question 6

What are the routes of entry for a chemical?

Accepted Answer

Inhalation, absorption, ingestion, injection

Answer

Corrosion, inhalation, ingestion, infection

Answer

Ingestion, explosion, absorption, injection

Answer

Ingestion, retention, dilution, inhalation

Question 7

What type of information does the WHMIS pictogram with a flame over a circle represent?

Accepted Answer

Oxidizing hazards that may cause or intensify a fire.

Answer

Flammable materials that easily ignite.

Answer

Explosive materials that may cause blasts or projectiles.

Answer

Toxic materials that pose immediate toxicity.

Question 8

Which WHMIS class includes flammable materials?

Accepted Answer

Class B

Answer

Class D

Answer

Class E

Answer

Class G

Question 9

What does WHMIS stand for?

Accepted Answer

Workplace Hazardous Materials Information System

Answer

Workplace Healthy Materials Information System

Answer

Workplace Hazardous Maintenance Information System

Answer

Workplace Health Materials Information System

Question 10

What are the three types of hazards classified in WHMIS?

Accepted Answer

Biological, chemical, and physical hazards

Answer

Biological, fire, and physical hazards

Answer

Electrical, chemical, and fire hazards

Answer

Chemical, electrical, and fire hazards