WHMIS Hazard Classes and Symbols 3

Question 1

The 'health hazard' pictogram (silhouette with a starburst on the chest) is used for which conditions?

Accepted Answer

Carcinogens, mutagens, reproductive toxins, sensitizers, and STOT-repeated exposure

Answer

The health hazard pictogram covers serious long-term effects: carcinogenicity, mutagenicity, reproductive toxicity, respiratory sensitization, and STOT-repeated exposure.

Question 2

Under WHMIS 2015, 'corrosive to metals' is classified as which type of hazard?

Accepted Answer

Physical hazard

Answer

Corrosive to metals is categorized as a physical hazard because the primary concern is damage to materials and equipment, not human tissue.

Question 3

Which of the following is NOT a category under 'flammable liquids' in WHMIS 2015?

Accepted Answer

Flash point above 93°C

Answer

Flammable liquids in WHMIS 2015 have flash points at or below 60°C; liquids with flash points above 93°C fall outside this hazard class.

Question 4

What shape are all WHMIS 2015 GHS-aligned pictogram borders?

Accepted Answer

Diamond (square on point)

Answer

WHMIS 2015 pictograms use a red-bordered diamond shape (square rotated 45°) with a white background and black symbol, aligning with GHS international standards.

Question 5

A product labelled with both the 'exploding bomb' and 'flame' pictograms most likely belongs to which class?

Accepted Answer

Organic peroxides (which can be both explosive and flammable)

Answer

Organic peroxides can exhibit both explosive decomposition and flammability, so they may carry both the exploding bomb and flame pictograms.

(WHMIS) Workplace Hazardous Materials Information System Practice Test

(WHMIS) Workplace Hazardous Materials Information System Practice Test

WHMIS Hazard Classes and Symbols 3