WHMIS overview

WHMIS Mock Exam 3

Same format as the real test. Answers stay hidden until you submit. The official time limit is not published; the timer is a practice setting.

  • 25 questions
  • untimed
  • Pass mark 20/25
0/25
Mock exam 3 · Question 10 answered

A highly toxic product spills and an escape respirator is required for your area. What should you do?

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. A highly toxic product spills and an escape respirator is required for your area. What should you do?

    1. Put on the escape respirator and leave the area
    2. Stay and wipe up the spill quickly
    3. Wait for the vapour to clear on its own
    4. Open a window and keep working
  2. During a WHMIS workplace inspection, which question about labels is on CCOHS's sample checklist?

    1. Are all labels the same size on every product in stock?
    2. Are labels printed in a single colour?
    3. Are labels signed by each worker?
    4. Are decanted products not used immediately labelled?
  3. How must hazardous waste containers be handled in an Ontario workplace?

    1. Clear identification plus worker education
    2. With a full supplier label and SDS
    3. With no identification at all
    4. Only with the original product label
  4. In case of fire, how many exit paths should you know from your work area?

    1. Only the main entrance
    2. At least two
    3. One is enough
    4. None, if there is a sprinkler
  5. Which type of Ontario workplace does Ontario's WHMIS legislation NOT apply to?

    1. Construction sites
    2. Farms
    3. Restaurants
    4. Hospitals
  6. An SDS for an odourless liquid shows "Odour: not applicable." What does that mean?

    1. The section was left blank by mistake
    2. The item does not apply to this product
    3. The product has a dangerous odour
    4. The supplier could not find the data
  7. A co-worker splashes a product in their eye. Which SDS section gives the first-aid steps?

    1. Section 4, First-aid measures
    2. Section 10, Stability and reactivity
    3. Section 13, Disposal considerations
    4. Section 6, Accidental release measures
  8. 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
  9. A drum is sitting in a trans-shipment warehouse, unchanged, waiting to be loaded for delivery. Which rules apply?

    1. Consumer product rules
    2. WHMIS workplace label rules
    3. No rules apply while it waits to be loaded
    4. Transportation of dangerous goods rules
  10. A pictogram shows liquid dripping from containers onto a metal bar and onto a hand. What does it mean?

    1. The product is corrosive
    2. The product is under pressure
    3. The product is flammable
    4. The product is an oxidizer
  11. Within the same hazard class, which category is the most hazardous?

    1. Category 3
    2. Category 1
    3. Category 2
    4. Category 4
  12. Precautionary statements come in five types. Which list is correct?

    1. Danger, warning, caution, notice, info
    2. Physical, health, environmental, biological, other
    3. Supplier, employer, worker, inspector, committee
    4. General, prevention, response, storage, disposal
  13. 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
  14. In the flame over circle pictogram, what does the circle represent?

    1. The sun
    2. A warning light
    3. Oxygen
    4. A drum
  15. A cylinder of an oxidizing gas is leaking during a fire. What does CCOHS say about stopping the leak?

    1. Never touch the cylinder at all
    2. Always stop it, whatever the danger
    3. Stop it only if it is safe to do so
    4. Hit the valve to seal it
  16. Which set of four questions shows that WHMIS training has worked?

    1. Hazards, protection, emergencies, where to find more info
    2. Colour, smell, taste, texture
    3. Price, supplier, expiry date, storage room
    4. Who ordered it, what it cost, when and why it was ordered
  17. What is an aspiration hazard?

    1. A product that gives off a strong odour
    2. A product that can enter the lungs instead of the stomach
    3. A product that spreads infection by touch
    4. A product that catches fire on its own when exposed to air
  18. A supplier sends a correct WHMIS label with the shipping papers but not on the container. Does this comply?

    1. Only for products in metal drums
    2. No, the label must be on or attached to the container
    3. Yes, as long as the papers arrive before the product does
    4. Yes, if the employer files the papers
  19. Which two signal words are used on WHMIS labels?

    1. Danger and Warning
    2. Stop and Alert
    3. Hazard and Risk
    4. Caution and Notice
  20. 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
  21. A corrosive liquid splashes onto a worker's clothing and skin. What should be done?

    1. Cover the area with a dry bandage and wait for help
    2. Remove soaked clothing and rinse skin with water
    3. Leave the clothing on until it dries
    4. Apply grease to the skin
  22. Your SDS says a respirator is required. What must your employer make sure of?

    1. That you are trained in its selection, fit, use and care
    2. That you wear it only during inspections and safety audits
    3. That you buy your own respirator
    4. That you share one respirator per crew
  23. What is the usual border of a WHMIS hazard pictogram?

    1. A green rectangle
    2. A red square set on one of its points
    3. A blue circle with a white edge
    4. A yellow triangle pointing up
  24. Which signal word indicates the more severe hazard?

    1. Notice
    2. Caution
    3. Danger
    4. Warning
  25. You were just hired and see a hazardous product you have never been trained on. What does WHMIS guidance say?

    1. Use it only if a co-worker is watching
    2. Use it carefully and read the label later
    3. Do not use it until you are trained in safe procedures
    4. Use it, since training can wait until the yearly review

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