Which pair of products are both on the WHMIS exclusions list?
WHMIS Practice Test 3
25 questions on what whmis is, safe handling and storage, physical hazard classes, workplace labels and other identification, supplier, employer and worker duties and more.
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All 25 questions in this test
Every question and its answer choices. The correct answers and explanations appear when you take the test above.
Which pair of products are both on the WHMIS exclusions list?
- Wood products and tobacco products
- Aerosols and compressed gases
- Acids and bases
- Paints and paint thinners
How much of a hazardous product should you take out for a job?
- As much as the container holds
- The smallest amount needed
- Whatever fits in your pocket
- A full day's supply to save trips
Vapour from a flammable liquid drifts along the floor and is lit by a distant pilot light. The flame then travels back to the container. What is this called?
- Boil-over
- Sublimation
- Backdraft
- Flashback
You pour a cleaner from its original jug into a spray bottle that will be used by the whole crew over the week. What does the spray bottle need?
- A workplace label
- No label at all
- Only the worker's initials
- A copy of the shipping invoice
Under WHMIS, who counts as a supplier?
- Any business that sells or imports a hazardous product
- Any worker who pours a product into another container
- Only retail stores that sell hazardous products to the public
- Only companies that manufacture chemicals in Canada
Who should the employer consult when developing the workplace WHMIS program?
- The health and safety committee or representative
- The workers' family members
- The local fire department only
- The product's sales representative and the supplier
Under WHMIS guidance, what is a consumer product?
- Any product a worker brings from home for lunch
- A product bought in a store and meant mainly for home use
- A product made by the employer for its own use
- A product sold only to licensed contractors
During a WHMIS inspection, which records should your employer be ready to show?
- Education and training records for exposed workers
- Customer sales receipts for the last year
- Each worker's medical history
- Workers' personal tax returns
Under Ontario law, may anyone remove or deface the identification on a hazardous product?
- Yes, if the product is almost empty
- Yes, after one year in storage
- No, the OHSA prohibits it
- Yes, if a supervisor agrees
You want to confirm that the product in your hand matches the SDS. Which section do you check first?
- Section 9, Physical and chemical properties
- Section 14, Transport information
- Section 16, Other information
- Section 1, Identification
What kind of pallet should not be used to store containers of oxidizing products?
- Plastic-coated metal racks or shelves
- Wooden or other combustible pallets
- Concrete floor spill trays
- Steel pallets
A label shows a red diamond with a black flame inside. What type of hazard does it warn about?
- An oxidizing hazard
- A biological hazard
- A fire hazard
- A gas under pressure
Which effects are included in a category of specific target organ toxicity – single exposure?
- Respiratory irritation or dizziness
- Cancer that appears after long exposure
- Allergic skin reactions
- Heritable gene mutations
After the 2022 amendments, where are pyrophoric gases classified?
- Under Flammable gases, Category 1A
- In their own Pyrophoric gases class
- Under Simple asphyxiants
- Under Oxidizing gases, Category 1
Your work boots are soaked with a flammable liquid. What does CCOHS advise?
- Wipe them and keep working
- Keep them on and let them dry, since vapours escape quickly
- Dry them next to a heater
- Remove them, since they are a severe fire hazard
The supplier label on a drum has been torn and can no longer be read. What must happen?
- Write the date on the drum
- Move the drum to a storage room and keep using it
- Put a new supplier or workplace label on it
- Keep using the drum as is
Which hazard statement shows the greater hazard?
- Not known to cause cancer
- Possibly linked to cancer
- Suspected of causing cancer
- May cause cancer
Flammability, reactivity and corrosivity to metals are examples of what?
- Health hazards
- Environmental hazards
- Biological hazards
- Physical hazards
Must a WHMIS supplier label list the product's hazardous ingredients?
- No; ingredients are disclosed on the SDS instead
- No; ingredients are never disclosed anywhere
- Yes, every ingredient with its percentage
- Yes, but only for products over 1 litre
Is WHMIS a legal requirement in Canada or a voluntary guideline?
- It is law only in Ontario and Quebec
- It is required only at companies with a unionized workforce
- It is a voluntary industry guideline
- It is law under federal, provincial and territorial rules
You notice a hazardous product leaking from a container. What should you do first?
- Sniff it to identify the product
- Ignore it if the smell is faint
- Report it and warn people nearby
- Wait until the end of your shift
After WHMIS training, which question should you be able to answer for every hazardous product you work with?
- What does it cost per litre?
- Which company manufactured its container?
- When was it first invented?
- How do I protect myself from its hazards?
A supervisor oversees staff who handle hazardous products but never handles them personally. Does the supervisor need WHMIS training?
- No, supervisors are exempt from WHMIS
- No, only workers who touch the products need training
- Only if the supervisor asks for it
- Yes, supervisors of exposed workers must be trained
An SDS for an odourless liquid shows "Odour: not applicable." What does that mean?
- The section was left blank by mistake
- The item does not apply to this product
- The product has a dangerous odour
- The supplier could not find the data
Precautionary statements come in five types. Which list is correct?
- Danger, warning, caution, notice, info
- Physical, health, environmental, biological, other
- Supplier, employer, worker, inspector, committee
- General, prevention, response, storage, disposal
All WHMIS practice tests
- WHMIS Mock Exam 1 – 25 QuestionsUntimed practice · answers explained
- WHMIS Mock Exam 2 – 25 QuestionsUntimed practice · answers explained
- WHMIS Mock Exam 3 – 25 QuestionsUntimed practice · answers explained
- WHMIS Mock Exam 4 – 25 QuestionsUntimed practice · answers explained
- WHMIS Mock Exam 5 – 25 QuestionsUntimed practice · answers explained
- What WHMIS isWhat the Workplace Hazardous Materials Information System is, its four main parts, how it lines up with the GHS, what counts as a hazardous product and which products are excluded.
- WHMIS law and enforcementWHMIS 1988, WHMIS 2015 and the December 2022 amendments, the Hazardous Products Act and Regulations, who enforces WHMIS in each jurisdiction and what an inspector checks.
- Supplier, employer and worker dutiesWho counts as a supplier, manufacturer, importer or distributor, what employers must provide, what workers must do, and the role of the health and safety committee.
- WHMIS education and trainingThe difference between education and site-specific training, who must be trained, what it must cover, the four questions every worker should be able to answer, reviews and refreshers.
- Hazard groups, classes and categoriesThe physical and health hazard groups, how classes group similar products, how categories and types show severity, and what changed in the 2022 amendments.
About this practice test
How many questions are in WHMIS practice test 3?
25 original multiple-choice practice questions covering what whmis is, safe handling and storage, physical hazard classes, workplace labels and other identification, supplier, employer and worker duties, whmis law and enforcement, ontario whmis rules (regulation 860), safety data sheets (16 sections), whmis pictograms, health hazard classes, hazard groups, classes and categories, emergencies, spills and first aid, supplier labels, whmis education and training. 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 3 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.