WHMIS symbols quiz: pictograms and hazard classes (Canada)
by Quizhat · 12 questions · Updated · CC BY
SafetyEnglish
The WHMIS 2015 pictograms in 12 questions: which hazard classes each symbol stands for, the hazard groups, and what the label shows when there is no pictogram. Free quiz with instant feedback and a short explanation citing the rule for every answer. Based on the federal Hazardous Products Act and Hazardous Products Regulations and on CCOHS guidance; workplace rules (training, workplace labels) are set by each province and territory, and the examples here follow Ontario (Regulation 860 and the OHSA). Practice material written by Quizhat: these are not the questions of any official test or assessment, and Quizhat is not affiliated with Health Canada, CCOHS, the Ontario Ministry of Labour, Immigration, Training and Skills Development, the Chief Prevention Officer or any training provider. Sources: Hazardous Products Regulations (SOR/2015-17); CCOHS, WHMIS: Pictograms, Hazard Classes, Labels.
Which pictogram is used for products with acute toxicity in categories 1 to 3?
Skull and crossbones
Exclamation mark
Health hazard
Biohazardous infectious materials
Question 3 · Single choice · 60s · 1 pt
Which pictogram covers skin irritation (category 2) and less severe acute toxicity (category 4)?
Skull and crossbones
Corrosion
Biohazardous infectious materials
Exclamation mark
Question 4 · Single choice · 60s · 1 pt
The "health hazard" pictogram (a person with a star on the chest) is used for which kind of hazard?
Products that catch fire easily
Products that corrode metals or skin
Long-term effects such as cancer
Gases stored under pressure
Question 5 · Single choice · 60s · 1 pt
Which pictogram would you expect on a cylinder of compressed nitrogen?
Flame
Gas cylinder
Exploding bomb
Exclamation mark
Question 6 · Single choice · 60s · 1 pt
The corrosion pictogram can mean any of these EXCEPT:
Flammable solid
Corrosive to metals
Skin corrosion
Serious eye damage
Question 7 · Single choice · 60s · 1 pt
Which hazard classes use the "exploding bomb" pictogram?
Flammable aerosols and chemicals under pressure
Oxidizing liquids and oxidizing solids
Combustible dusts and simple asphyxiants
Type A and B self-reactives and organic peroxides
Question 8 · Single choice · 60s · 1 pt
A solvent is classified as a flammable liquid, category 2. Which pictogram will its label show?
Flame over circle
Gas cylinder
Flame
Health hazard
Question 9 · Single choice · 60s · 1 pt
Which pictogram would be on a product containing organisms that can cause disease in people or animals?
Skull and crossbones (acute toxicity)
Biohazardous infectious materials
Health hazard (star on the chest)
Exclamation mark (irritant)
Question 10 · Single choice · 60s · 1 pt
What do most WHMIS 2015 pictograms look like?
A black symbol on white in a red-bordered diamond
A black symbol inside a yellow triangle
A white symbol on a solid blue circle
A red symbol inside a round black border
Question 11 · Single choice · 60s · 1 pt
A product is classified as a combustible dust, a class with no pictogram. What will its label still show?
Nothing: without a pictogram no label is needed
Only the supplier's name
The flame pictogram anyway
A signal word and hazard statements
Question 12 · Single choice · 60s · 1 pt
WHMIS 2015 sorts hazard classes into which two groups?
Chemical and biological hazards
Major hazards and minor hazards
Physical hazards and health hazards
Indoor hazards and outdoor hazards
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