WHMIS Practice Test 2026: Oefenexamen 4

1. Vraag 1 van 25

   A supplier learns of significant new data about a product. How long does the supplier have to update the SDS?

   • A90 days
   • B3 years
   • C7 days
   • D180 days
   Toon antwoord

   Antwoord: A. 90 days

   Suppliers must update the SDS within 90 days of becoming aware of significant new data.

2. Vraag 2 van 25

   Under the federal Hazardous Products Regulations, must suppliers update every SDS every 3 years?

   • AYes, every SDS expires after 1 year and must be replaced
   • BNo, they must update it when significant new data become available
   • CYes, every SDS expires after 3 years and must be replaced
   • DNo, an SDS never has to be updated once it is written
   Toon antwoord

   Antwoord: B. No, they must update it when significant new data become available

   The 3-year rule was part of WHMIS 1988. Some provinces still require employers to seek updated SDSs every 3 years.

3. Vraag 3 van 25

   Who must be able to get to the SDSs in a workplace easily?

   • AOnly the employer and the company's managers and supervisors
   • BOnly the supplier who sold the product to the employer
   • COnly firefighters and other emergency services when called
   • DExposed workers and the health and safety committee or representative
   Toon antwoord

   Antwoord: D. Exposed workers and the health and safety committee or representative

   Employers must make SDSs readily available to exposed workers and to the health and safety committee or representative.

4. Vraag 4 van 25

   Who usually writes the SDS for a hazardous product that is sold?

   • AThe worker who uses it
   • BThe local fire department
   • CThe health and safety committee
   • DThe manufacturer or supplier
   Toon antwoord

   Antwoord: D. The manufacturer or supplier

   Suppliers prepare SDSs. An employer may have to prepare one for a hazardous product it produces and uses in its own workplace.

5. Vraag 5 van 25

   Who must decide whether a product is a hazardous product and prepare its label and SDS before selling it?

   • AThe health and safety committee
   • BThe supplier
   • CThe customer who buys it
   • DThe worker who will use it
   Toon antwoord

   Antwoord: B. The supplier

   Suppliers must classify their products and prepare labels and SDSs for hazardous products sold for workplace use.

6. Vraag 6 van 25

   Which is an employer duty under WHMIS?

   • ATranslate every SDS into a third language chosen by workers
   • BWrite and update the federal Hazardous Products Regulations
   • CEducate and train workers on the hazards and safe use of hazardous products
   • DClassify every product before the supplier is allowed to sell it
   Toon antwoord

   Antwoord: C. Educate and train workers on the hazards and safe use of hazardous products

   Employers must train workers, make sure products are labelled, prepare workplace labels and SDSs when needed, and put controls in place.

7. Vraag 7 van 25

   Which is a worker duty under WHMIS?

   • ATake part in WHMIS training and help identify and control hazards
   • BPrepare supplier labels for every product the company buys
   • CDecide which hazardous products the company buys and sells
   • DInspect the supplier's factory once a year
   Toon antwoord

   Antwoord: A. Take part in WHMIS training and help identify and control hazards

   Workers must participate in training, protect themselves and co-workers, and help identify and control hazards.

8. Vraag 8 van 25

   In WHMIS, what is the difference between "education" and "training"?

   • AThey mean the same thing, and the two words can be swapped
   • BEducation is always done online; training is always done in a classroom
   • CEducation is only for managers; training is only for workers on the floor
   • DEducation is general information about WHMIS; training is specific to your site and job
   Toon antwoord

   Antwoord: D. Education is general information about WHMIS; training is specific to your site and job

   Education covers portable knowledge like how WHMIS works. Training covers site- and job-specific procedures.

9. Vraag 9 van 25

   You change employers. What WHMIS training do you need at the new workplace?

   • AA national WHMIS exam set and marked by Health Canada
   • BNone, as long as you had WHMIS training at any job in the past
   • COnly a new printed copy of your old training certificate
   • DTraining specific to the new site and the products you will use there
   Toon antwoord

   Antwoord: D. Training specific to the new site and the products you will use there

   General education may carry over, but every workplace must give training specific to its own site and work.

10. Vraag 10 van 25

    How often should an employer review its WHMIS education and training program?

    • AAt least once a year, and more often if conditions change
    • BOnly when a government inspector asks for a review
    • COnce every 10 years, or whenever the law changes
    • DOnly after a worker has been injured by a hazardous product
    Toon antwoord

    Antwoord: A. At least once a year, and more often if conditions change

    CCOHS advises reviewing the program at least annually, and sooner if work conditions, processes or hazard information change.

11. Vraag 11 van 25

    Who should an employer consult when developing and reviewing its WHMIS training program?

    • AThe sales representative for the hazardous products
    • BThe local police or the municipal bylaw office
    • COnly the company's lawyer or insurance broker
    • DThe health and safety committee or representative
    Toon antwoord

    Antwoord: D. The health and safety committee or representative

    Employers are expected to consult the health and safety committee (or representative) on the program.

12. Vraag 12 van 25

    Which worker must receive WHMIS education and training?

    • AA worker who stores or handles hazardous products
    • BA worker who never comes near hazardous products
    • CA visitor who never enters the work area
    • DA customer in the store front
    Toon antwoord

    Antwoord: A. A worker who stores or handles hazardous products

    Training is needed for workers who use, store, handle or dispose of hazardous products, who may be exposed, who supervise them, or who respond to emergencies.

13. Vraag 13 van 25

    When is refresher WHMIS training generally needed?

    • AOnly once a worker has 10 years of experience
    • BWhen a new hazardous product is brought into the workplace
    • CNever, once the first WHMIS training has been done
    • DOnly when a worker asks the employer for more training
    Toon antwoord

    Antwoord: B. When a new hazardous product is brought into the workplace

    Refresher training is needed when conditions change, new products arrive or new hazard information becomes available.

14. Vraag 14 van 25

    An employer hires a training company to teach WHMIS. Who is still legally responsible for protecting the workers?

    • AThe workers themselves
    • BThe supplier of the products
    • CThe employer
    • DThe training company only
    Toon antwoord

    Antwoord: C. The employer

    Employers may use a qualified trainer, but they remain legally responsible for protecting workers.

15. Vraag 15 van 25

    How might an employer check that workers understood their WHMIS training?

    • AWith a written test, a practical demonstration or another method
    • BThere is no way to check what workers have learned
    • CBy asking the supplier to phone each worker afterwards
    • DBy checking the revision dates on all the SDSs
    Toon antwoord

    Antwoord: A. With a written test, a practical demonstration or another method

    Some provinces and territories require employers to evaluate workers' knowledge, for example by written tests or practical demonstrations.

16. Vraag 16 van 25

    Which topic must WHMIS training cover?

    • AEmergency procedures for the hazardous products you use
    • BHow to set prices and discounts for chemical products
    • CHow to write a full SDS from scratch for a new product
    • DHow to become a licensed supplier of hazardous products
    Toon antwoord

    Antwoord: A. Emergency procedures for the hazardous products you use

    Training must cover safe use, handling and disposal, procedures for products in the air, and all emergency procedures.

17. Vraag 17 van 25

    Which federal department administers the Hazardous Products Act?

    • AEnvironment and Climate Change Canada
    • BTransport Canada
    • CCanada Revenue Agency
    • DHealth Canada
    Toon antwoord

    Antwoord: D. Health Canada

    Health Canada administers the Hazardous Products Act and acts as secretariat for the WHMIS partnership.

18. Vraag 18 van 25

    Where should flammable products NOT be stored, if it can be avoided?

    • AIn a basement
    • BOn the ground floor
    • CIn an approved flammable storage cabinet
    • DIn a well-ventilated storage room
    Toon antwoord

    Antwoord: A. In a basement

    CCOHS advises avoiding basement storage for flammable products. Ground-floor storage is easier to reach in an emergency.

19. Vraag 19 van 25

    What kind of storage is best for flammable liquids?

    • AAn approved flammable storage cabinet
    • BA cardboard box near a heater
    • CAny metal shelf next to the boiler
    • DA desk drawer
    Toon antwoord

    Antwoord: A. An approved flammable storage cabinet

    Use approved flammable storage equipment, such as flammable cabinets, and keep containers tightly closed.

20. Vraag 20 van 25

    Why should you avoid paper towels or sawdust to soak up a flammable liquid spill?

    • AThey are combustible and can add fuel to a fire
    • BThey are too expensive
    • CThey make the spill spread faster
    • DThey change the colour of the liquid
    Toon antwoord

    Antwoord: A. They are combustible and can add fuel to a fire

    Do not use combustible materials to absorb spills of flammable products. Use proper spill materials and report the spill.

21. Vraag 21 van 25

    When you pour a volatile flammable liquid from one metal container to another, what may you need to do to prevent sparks?

    • AGround and bond the containers
    • BWear wool clothing
    • CTurn on a nearby heater to dry the air
    • DPour it as fast as possible
    Toon antwoord

    Antwoord: A. Ground and bond the containers

    Static electricity can ignite vapours. Grounding and bonding containers and receiving equipment helps prevent static discharge.

22. Vraag 22 van 25

    How much of a flammable product should you take out for a job?

    • AAs much as the container holds
    • BA full day's supply, to save trips
    • CThe smallest amount needed for the job
    • DTwice what you need, in case of spills
    Toon antwoord

    Antwoord: C. The smallest amount needed for the job

    Use the smallest amount necessary and avoid storing large quantities.

23. Vraag 23 van 25

    You see a container leaking in the storage room. What should you do first?

    • AMove it to the lunchroom
    • BCover it with a cloth and leave it
    • CReport it to your supervisor right away
    • DIgnore it if it is a small leak
    Toon antwoord

    Antwoord: C. Report it to your supervisor right away

    Report leaks and spills to your supervisor immediately and follow your workplace spill procedure.

24. Vraag 24 van 25

    What should you do with an empty aerosol can of a flammable product?

    • ABurn it in a barrel
    • BLeave it on a hot surface to dry
    • CDo not pierce or burn it
    • DPuncture it to let out the rest of the gas
    Toon antwoord

    Antwoord: C. Do not pierce or burn it

    Do not pierce or burn aerosol containers, even after use. They can still contain flammable product and pressure.

25. Vraag 25 van 25

    Before using a flammable product indoors, what should you check for?

    • AThe price of the product
    • BHidden ignition sources, such as pilot lights
    • CThe colour of the container
    • DWhether the product smells pleasant
    Toon antwoord

    Antwoord: B. Hidden ignition sources, such as pilot lights

    Check for ignition sources such as pilot lights, sparks and hot surfaces, and use the product only in a well-ventilated area.

Toetsenbord: 1–4 om te antwoorden, Enter voor de volgende vraag.

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