You want to confirm that the product in your hand matches the SDS. Which section do you check first?
WHMIS Mock Exam 1
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.
- No sign-up
- Every answer explained
- Independent · not a government site
- 25 questions
- untimed
- Pass mark 20/25
All 25 questions in this test
Every question and its answer choices. The correct answers and explanations appear when you take the test above.
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
How does an oxidizer create a fire hazard?
- It absorbs heat and puts fires out
- It makes a fire produce less smoke
- It only burns when mixed with water
- It can cause or intensify a fire
A product is always used straight from the container that has the supplier label. Is any other label needed?
- No other label is required
- Yes, a handwritten label from the worker
- Yes, a workplace label must be added
- Yes, a placard must be posted nearby
What does germ cell mutagenicity mean?
- Brief dizziness after exposure
- Weakening of metal containers
- Gene changes that can be inherited
- Immediate burns to the skin
Which SDS section lists the hazard classification, signal word and hazard statements?
- Section 11, Toxicological information
- Section 2, Hazard identification
- Section 3, Composition
- Section 8, Exposure controls
A pictogram shows a cylinder lying on its side. What hazard does it identify?
- Corrosive to metals
- Acute toxicity
- Flammable liquid
- Gas under pressure
In Ontario, a portable container filled from a labelled drum needs no workplace label if the filler is the only user, uses it only that shift, and what else?
- The contents are clearly identified
- The container is smaller than 1 litre
- The product is not flammable
- The supervisor signs off on it
How does the biohazardous infectious materials pictogram differ from the other WHMIS pictograms?
- It has no symbol inside the border, only a red outline
- Its border is a black circle, not a red diamond
- It is always shown in green
- It is printed only on the SDS
Which agency enforces WHMIS in Quebec workplaces?
- Service NL
- Health Canada
- WorkSafeBC
- CNESST
A hazardous product comes in a container of 100 mL or less. What may be left off its supplier label?
- The product identifier
- The pictograms and the supplier identifier
- The hazard and precautionary statements
- The signal word
Which federal law sets out the WHMIS duties of suppliers?
- The Hazardous Products Act
- The Canada Consumer Product Safety Act
- The Fisheries Act
- The Criminal Code
A product used at your job is exempt from WHMIS labels and SDSs. What must your employer still do?
- Get a Health Canada permit before using it
- Train workers on its health effects, safe use and storage
- Nothing, because exempt products carry no duties
- Write a full WHMIS supplier label for it
An Ontario employer receives a product without a label or SDS. What may it do while actively trying to get them?
- Store it, but not use it
- Sell it to another company
- Use it with extra caution
- Pour it into unlabelled jugs
What should you do with an empty container that held a corrosive or toxic product?
- Treat it as hazardous; keep it closed and do not reuse it
- Use it to store drinking water
- Rinse it once with water and then reuse it for food storage
- Leave it open to air out
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
Learning your own shop's procedure for cleaning up a solvent spill is an example of:
- Supplier labelling
- Generic WHMIS education
- Hazard classification
- Workplace-specific training
Local exhaust ventilation that removes vapour at its source is an example of which kind of control?
- A precautionary statement
- Personal protective equipment
- An administrative control
- An engineering control
Your SDS says a respirator is required. What must your employer make sure of?
- That you are trained in its selection, fit, use and care
- That you wear it only during inspections and safety audits
- That you buy your own respirator
- That you share one respirator per crew
When did the latest amendments to the Hazardous Products Act and Regulations come into force?
- January 1, 2020
- February 11, 2015
- December 15, 2022
- December 1, 2018
What is the usual border of a WHMIS hazard pictogram?
- A green rectangle
- A red square set on one of its points
- A blue circle with a white edge
- A yellow triangle pointing up
A worker used a skin sensitizer several times with no reaction, then develops itching and redness. What explains this?
- Skin sensitizers can only cause a reaction on the first exposure
- The worker has become immune to the product
- The product must have changed suppliers
- Sensitizers often cause reactions only after repeated exposures
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
What is the Ontario labour ministry's position on time spent in WHMIS training?
- Workers must pay for the course
- It counts as vacation time
- It is unpaid personal time
- It is work time and should be paid
What can a respiratory sensitizer cause if inhaled?
- A rash only on the hands
- Damage to the liver only, with no breathing symptoms
- Allergy or asthma symptoms or breathing difficulties
- Instant freezing of the lungs
A product is packed in an inner bottle inside an outer box. When can the outer box skip the WHMIS label?
- Whenever the box is made of cardboard
- When the inner label can be read through the outer box
- When the bottle holds under 5 litres
- When the box is stored in a locked room away from workers
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