WHMIS Practice Test 10

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. How can you tell when an SDS was last revised?

   1. Check the date in Section 16
   2. Look at the delivery receipt
   3. Check the date in Section 1
   4. Ask the product's sales representative

2. Local exhaust ventilation that removes vapour at its source is an example of which kind of control?

   1. A precautionary statement
   2. Personal protective equipment
   3. An administrative control
   4. An engineering control

3. You are using a flammable liquid. Which practice is safe?

   1. Using it next to a running welder
   2. Storing it beside the space heater so it stays warm
   3. Smoking only near an open window
   4. Keeping sparks, flames and hot surfaces away

4. A hazardous product comes in a container of 100 mL or less. What may be left off its supplier label?

   1. The product identifier
   2. The pictograms and the supplier identifier
   3. The hazard and precautionary statements
   4. The signal word

5. Which Ontario regulation sets out employers' detailed WHMIS duties?

   1. The Highway Traffic Act
   2. Regulation 347 under the Environmental Protection Act
   3. Regulation 860 under the OHSA
   4. The Employment Standards Act

6. Aerosol cans should not be exposed to temperatures above what?

   1. 80 °C (176 °F)
   2. 25 °C (77 °F)
   3. 50 °C (122 °F)
   4. 35 °C (95 °F)

7. Which SDS sections should every worker read at minimum for an emergency?

   1. Sections 12, 13 and 14
   2. Sections 4, 5 and 6
   3. Sections 1, 15 and 16
   4. Sections 9, 10 and 11

8. Pouring or pumping a volatile flammable liquid can build up static electricity. What precaution helps prevent ignition?

   1. Pouring faster to finish sooner
   2. Grounding and bonding the containers
   3. Wearing wool clothing
   4. Adding water to the container

9. Under Ontario's OHSA, WHMIS helps fulfil which basic worker right?

   1. The right to pick suppliers
   2. The right to know about hazards
   3. The right to choose shift times
   4. The right to free parking

10. Why should you remove rings and watches before handling a refrigerated liquefied gas?

    1. They can freeze to your skin if splashed
    2. They are a choking hazard
    3. They can cause a static spark
    4. They interfere with the regulator

11. Which material should you avoid using to soak up a flammable liquid spill?

    1. Approved spill absorbent
    2. Paper towels or sawdust
    3. Non-sparking tools
    4. Proper PPE

12. Which type of Ontario workplace does Ontario's WHMIS legislation NOT apply to?

    1. Construction sites
    2. Farms
    3. Restaurants
    4. Hospitals

13. A co-worker gets a corrosive product in their eyes. What is the standard first step?

    1. Rinse with the product's solvent
    2. Rinse cautiously with water for several minutes
    3. Rub the eyes to remove the product
    4. Cover the eyes with a cloth and wait for symptoms

14. How can a simple asphyxiant harm a worker?

    1. By making metal containers corrode
    2. By causing cancer after many years
    3. By burning the skin on contact
    4. By pushing oxygen out of the air

15. Where does CCOHS say flammable products are better stored, if possible?

    1. On the roof in direct sun
    2. On the ground floor rather than the basement
    3. In an office desk drawer
    4. In the basement, away from the main work area

16. What is the safe way to move a gas cylinder?

    1. Carrying it on your shoulder
    2. With a hand truck or cart made for cylinders
    3. Rolling it on its side across the floor
    4. Dragging it by the valve

17. In an Ontario factory, who enforces both the federal supplier rules and the provincial WHMIS rules?

    1. Inspectors from Ontario's labour ministry
    2. The federal Labour Program's regional inspectors
    3. The local fire department
    4. Health Canada inspectors only

18. In Ontario, how often must the employer review the WHMIS training given to workers?

    1. Every three years
    2. Every five years
    3. Only after an incident
    4. At least once a year

19. A pictogram shows the outline of a person's head and chest with a star-shaped burst on the chest. What does it warn about?

    1. Gas stored under pressure in a cylinder
    2. Mild skin irritation
    3. Serious health effects such as cancer
    4. Danger of explosion

20. A worker's hand is frosted by contact with a refrigerated liquefied gas. What is the right first aid?

    1. Rub it hard with a dry towel to restore circulation
    2. Pack it in ice
    3. Hold it near a hot heater
    4. Thaw it with lukewarm water and do not rub it

21. Which SDS sections must have headings but may be left without information by the supplier in Canada?

    1. Sections 5 to 8
    2. Sections 12 to 15
    3. Sections 1 to 4
    4. Sections 9 to 11

22. Which effect is covered by the reproductive toxicity class?

    1. Skin burns from hot surfaces
    2. Harm to fertility or the unborn child
    3. Damage to metal pipes
    4. Damage to hearing from loud workplace noise

23. 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

24. Why should a cylinder of a simple asphyxiant gas not be carried in an elevator?

    1. Elevator motors make the gas toxic
    2. Elevators cause the gas to freeze
    3. A leak in a closed space could displace the oxygen
    4. Elevator buttons and motors can create static sparks

25. 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