WHMIS overview

WHMIS Practice Test 5

25 questions on safe handling and storage, whmis law and enforcement, ontario whmis rules (regulation 860), emergencies, spills and first aid, hazard groups, classes and categories and more.

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Practice test 5 · Question 1Score 0/0

You are about to use a product labelled as a carcinogen. What does CCOHS say to do first?

All 25 questions in this test

Every question and its answer choices. The correct answers and explanations appear when you take the test above.

  1. You are about to use a product labelled as a carcinogen. What does CCOHS say to do first?

    1. Use it quickly to limit exposure
    2. Get special instructions before use
    3. Taste a small amount to check it
    4. Mix it with water to weaken it
  2. Which body enforces WHMIS for provincially regulated workplaces in British Columbia?

    1. WorkSafeBC
    2. CNESST
    3. The ESDC Labour Program
    4. WorkSafeNB
  3. When may a Hazardous Products Act inspector enter a workplace?

    1. Only after giving 30 days' written notice
    2. With reasonable grounds to believe a hazardous product is there
    3. Only if a worker has filed a complaint
    4. Only with the written consent of every worker present at the site
  4. Does Ontario's annual review of WHMIS training mean every worker must be retrained each year?

    1. Yes, every worker must repeat the full course every year
    2. No, the review decides whether retraining is needed
    3. Yes, a written exam every year
    4. Yes, but only for new hires
  5. Where should an eyewash station and emergency shower be when hazardous products are used?

    1. Only in the first-aid room on the floor upstairs
    2. In another building on site
    3. Anywhere, as long as one exists
    4. Readily available in the immediate work area
  6. Which physical hazard class was added in the December 2022 amendments?

    1. Gases under pressure
    2. Flammable liquids
    3. Combustible dusts
    4. Chemicals under pressure
  7. After learning of significant new hazard data, how long does a supplier have to update its labels?

    1. 180 days
    2. One year
    3. 30 days
    4. 90 days
  8. Which of these is a benefit CCOHS lists for aligning WHMIS with the GHS?

    1. Workers no longer need site-specific training
    2. Suppliers may choose any SDS layout they like
    3. Standardized hazard and precautionary statements
    4. Hazardous products no longer need labels
  9. Must an Ontario employer keep paper copies of SDSs?

    1. Only for products made in Ontario
    2. No, electronic SDSs comply
    3. Yes, paper copies are always required
    4. Yes, both paper and electronic are required
  10. In WHMIS, what is a hazard class?

    1. A training course level that workers must complete each year
    2. A list of approved suppliers
    3. A price range for chemical products
    4. A way of grouping products with similar hazardous properties
  11. A product is classified for eye irritation (Category 2). What kind of effect does that mean?

    1. Reversible effects on the eye
    2. Effects that appear only after years
    3. Permanent blindness in all cases
    4. Damage only to contact lenses
  12. How often should an employer review its WHMIS education and training program?

    1. At least once a year, or sooner if things change
    2. Only when a worker is injured
    3. Every five years, or when the supplier changes the SDS
    4. Only when an inspector asks
  13. What is the main hazard of products in the flammable liquids class?

    1. Fire or explosion
    2. Skin allergy
    3. Radiation burns
    4. Hearing loss
  14. What should never be applied to cylinder valves, fittings or regulator threads?

    1. A protective cap
    2. A compatible pressure regulator
    3. Oil, grease, lubricant or tape
    4. A visual inspection
  15. An SDS lists an ingredient by a generic name instead of its exact chemical name. What does this usually mean?

    1. The product is only sold outside Canada and needs no full SDS
    2. The supplier forgot to finish the SDS
    3. The ingredient is not hazardous at all
    4. The supplier claimed it as confidential business information
  16. Which item is required on a workplace label?

    1. A product name matching the SDS
    2. The worker's employee number
    3. The supplier's full mailing address
    4. The product's price
  17. Which of these is a worker's responsibility under WHMIS?

    1. Inspecting the supplier's factory
    2. Taking part in WHMIS education and training
    3. Writing safety data sheets for new products
    4. Classifying products into hazard classes
  18. A worker feels unwell after breathing in a product's vapour. What is the first-aid step on most labels?

    1. Make them breathe into a paper bag
    2. Move the person to fresh air and keep them comfortable
    3. Have them lie down in the work area until the feeling passes
    4. Give them a glass of milk to drink
  19. A pictogram shows a flame sitting on top of a circle. What kind of product carries it?

    1. A compressed gas
    2. A corrosive
    3. An oxidizer
    4. A flammable liquid
  20. Which SDS section tells you which fire extinguishing media are suitable and unsuitable?

    1. Section 9, Physical and chemical properties
    2. Section 7, Handling and storage
    3. Section 5, Fire-fighting measures
    4. Section 2, Hazard identification
  21. Which of these WHMIS hazard classes has no pictogram?

    1. Simple asphyxiants
    2. Acute toxicity, Category 1
    3. Oxidizing liquids
    4. Gases under pressure
  22. How long must suppliers keep documents such as copies of labels, SDSs and sales records, unless another period is prescribed?

    1. Ten years
    2. One year
    3. Three years
    4. Six years
  23. Why are simple asphyxiants especially dangerous in confined spaces?

    1. They only work in large open areas
    2. They are bright red and block vision
    3. They are colourless and odourless and give no warning
    4. They smell strongly and make workers panic in tight areas
  24. What can a respiratory sensitizer cause if inhaled?

    1. A rash only on the hands
    2. Damage to the liver only, with no breathing symptoms
    3. Allergy or asthma symptoms or breathing difficulties
    4. Instant freezing of the lungs
  25. Your company requires full labels on every decanted container, even ones used right away. Is this allowed?

    1. Only if the supplier agrees in writing
    2. No, only Health Canada can set label rules
    3. No, it conflicts with WHMIS law
    4. Yes, companies may go beyond WHMIS minimums

About this practice test

How many questions are in WHMIS practice test 5?

25 original multiple-choice practice questions covering safe handling and storage, whmis law and enforcement, ontario whmis rules (regulation 860), emergencies, spills and first aid, hazard groups, classes and categories, supplier labels, what whmis is, health hazard classes, whmis education and training, physical hazard classes, workplace labels and other identification, supplier, employer and worker duties, whmis pictograms, safety data sheets (16 sections). Each answer includes an explanation. This mixed practice set does not reproduce the official exam format or predict an official score.

Are the questions the same every time?

Yes. Practice test 5 always has the same 25 questions, so you can repeat it until you get them all right. The other 9 sets use different questions.

Are these real test questions?

No. The official question bank is not published. These are original questions written from the official handbook, which is what the real WHMIS test is based on.