JHSC Part One Practice Test – Printable Questions and Answers

50 JHSC Certification Part One questions on the OHSA, worker rights, committee duties, work stoppages, violence and harassment, hazards and incident reporting, with a separate answer key. Free.

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The JHSC Certification Part One evaluation is a standardized test at the end of a three-day course, and you need 75 per cent to pass. This sheet gives you 50 questions to work through on paper, mixed across our thirteen topics: certification and the internal responsibility system, the OHSA, duties of the workplace parties, worker rights, committee set-up and powers, certified members and work stoppages, violence and harassment, hazard recognition, inspections, assessment and exposure limits, hazard control, and incident reporting.

We do not copy any provider's evaluation. Every question is written from the Occupational Health and Safety Act and the Chief Prevention Officer's program standard, and the answer key on the last pages explains each answer. Learn the core numbers: 20 workers, three months between meetings, monthly inspections, 21 days for a written response, 48 hours and four days for incident reports. Print it, or choose Save as PDF to keep it on your phone.

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1.What must an employer do to support the JHSC's work?
1. Chair every single committee meeting itself
2. Limit meetings to 15 minutes
3. Assist and co-operate with the committee
4. Approve each member's vote
2.An employer believes a certified member stopped work recklessly or in bad faith. What can it do?
1. Withhold the member's pay for that month
2. File a complaint with the Board within 30 days
3. Ask the WSIB to cancel the member's insurance
4. Dismiss the member the same day for misconduct
3.Repetitive movements and a poorly set-up workstation are which kind of hazard?
1. Biological
2. Musculoskeletal
3. Safety
4. Chemical
4.What is the maximum fine for an individual convicted under the OHSA?
1. $500,000, up to 12 months in jail, or both
2. $5,000 and no possible jail time at all
3. $2,000,000 or up to five years in jail
4. $25,000 or up to 30 days in jail, not both
5.When is posting of the violence and harassment policies not required unless an inspector orders it?
1. When five or fewer workers are regularly employed
2. When the workplace has a JHSC in place already
3. When fewer than 50 workers are regularly employed
4. When most workers work from home at least once
6.Which injury is a "critical injury" under Ontario's definition?
1. A sprained ankle
2. A fractured arm
3. A fractured finger
4. A small cut needing stitches
7.How much paid preparation time is each member entitled to before a committee meeting?
1. Exactly 15 minutes, no matter how long the agenda is
2. None; preparation must be done on the member's own time
3. At least one hour, or more if the committee decides
4. A full day, paid only to the two co-chairs of the committee
8.Which organization's threshold limit values (TLVs) are referred to in Part One training?
1. The Workplace Safety and Insurance Board's annual claims report
2. The Canadian Standards Association, which sets all Ontario exposure laws
3. The Ontario Human Rights Commission's code of conduct for employers
4. The American Conference of Governmental Industrial Hygienists (ACGIH)
9.When may a worker refuse work under the OHSA?
1. Only if the JHSC has voted in advance to allow a refusal
2. Only after an inspector has visited and approved the refusal
3. When they have reason to believe it is likely to endanger them
4. Whenever the work is boring or physically tiring for them
10.Under the Designated Substances regulation, when must the employer consult the JHSC?
1. On the hiring of new workers for the accounting department
2. On assessments of likely worker exposure to a designated substance
3. On the choice of paint colours used in the office and lunch room
4. On the prices charged to customers for the company's products
11.Using a reach pole to wash windows from the ground instead of working on a ladder is an example of what?
1. An administrative rule about ladder inspections
2. Substitution of one kind of ladder for another
3. Personal protective equipment for the window washer
4. Elimination of the working-at-heights hazard
12.How often must the designated JHSC member inspect the workplace, unless a regulation or order says otherwise?
1. Only after an injury
2. At least once a month
3. At least once a week, on Mondays
4. At least once a year
13.A worker member attends Part One training during a normal work week. How is that time treated?
1. As work time, paid at the regular or premium rate
2. As unpaid personal time, since training is the member's choice
3. As overtime that is banked and paid out after three years
4. As unpaid vacation that the member must book in advance
14.What duty does the OHSA place on directors and officers of a corporation?
1. Take all reasonable care that the corporation complies
2. Sit on the JHSC as the employer's certified member at all times
3. Personally inspect every workplace at least once every single week
4. None; only the corporation itself has any duties under the Act
15.Which three conditions together make a "dangerous circumstance" under the OHSA?
1. A contravention, a resulting hazard, and danger from any delay
2. A worker complaint, a supervisor's signature, and a written report
3. A union grievance, a strike vote, and an inspector's order
4. Any accident, any injury, and any property damage that day
16.Which is the most common workplace definition of a hazard?
1. Any task that takes more than one hour
2. Any accident that has already happened
3. Any source of potential damage or harm
4. Any rule the employer has written down
17.An inspector issues an order to the employer. What must the employer do regarding the JHSC?
1. Wait until the next annual meeting to mention it
2. Give the committee a copy of the order
3. Ask the committee to pay any fine owed
4. Keep the order secret from the committee
18.What is workplace harassment under the OHSA?
1. A course of vexatious comment or conduct known to be unwelcome
2. Any disagreement between two workers about how a task should be done
3. A fair performance review that points out areas for the worker to improve
4. Any single instruction from a supervisor that a worker does not like to follow
19.A worker is critically injured at work. When must the employer notify an inspector and the JHSC?
1. Within 30 days, in the annual report
2. Only if the worker files a WSIB claim
3. Immediately, by telephone or other direct means
4. Within four days, in writing only, by mail
20.How are the JHSC co-chairs chosen?
1. Both by the employer, from among its senior managers only
2. One by the ministry and one by the Workplace Safety and Insurance Board
3. Both by a vote of all workers in the entire workplace
4. One by the worker members and one by the management members
21.How is a short-term exposure limit (STEL) defined in Reg. 833?
1. The average over one full week, measured once every Friday afternoon
2. The maximum for any 8 hours, up to twice a month, a week apart
3. The maximum for any 15 minutes, up to four times a shift, an hour apart
4. The highest level allowed at any instant, never to be exceeded
22.While waiting for the inspector, what may an employer do with a refusing worker?
1. Order the worker to do the refused task
2. Dismiss the worker on the spot
3. Suspend the worker without pay
4. Assign reasonable alternative work
23.What right does a designated worker member have regarding workplace health and safety testing?
1. To run all the tests personally with the member's own equipment
2. To be consulted and present at the beginning of the testing
3. To approve or cancel every test before it can take place
4. To receive a bonus each time the workplace air is sampled
24.Can more than one type of control be used for the same hazard?
1. No, only one control is legal
2. Only if the JHSC votes to allow
3. Only for chemical hazards
4. Yes; controls are often combined
25.Who carries out the JHSC's workplace inspections?
1. Any customer who volunteers to walk through the building
2. The employer's co-chair, who must do every inspection personally
3. An outside consultant hired by the WSIB for each inspection
4. A worker member chosen by worker members, certified if possible
26.Which JHSC training may be delivered entirely by self-paced eLearning?
1. All three parts
2. Refresher only
3. Part One only
4. Part Two only
27.Which is a supervisor's duty under the OHSA?
1. Ensure workers use the protective equipment the employer requires
2. Certify JHSC members after they complete their Part One training
3. Write the employer's annual health and safety policy alone
4. Approve all inspector orders before they take effect
28.The bilateral procedure will not protect workers from serious risk. Who may apply to the Ontario Labour Relations Board for a declaration?
1. A certified member or an inspector
2. A neighbour living near the site
3. The employer's own insurance company
4. Any customer of the business
29.Under the OHSA, what is an occupational illness?
1. A condition caused by workplace exposure to an agent that impairs health
2. Any injury from a slip or fall that happens in the parking lot
3. Any stress caused by commuting to work in heavy traffic
4. Any cold or flu that a worker happens to catch during the winter months
30.A worker left a job four months ago and asks for proof of their awareness training. What must the employer do?
1. Charge the worker a fee before releasing any proof of training
2. Provide written proof, since the request is within six months
3. Refuse, because the worker no longer works for the company
4. Send the request to the ministry, which keeps all training records
31.After a harassment investigation, who must be informed of the results in writing?
1. Only the alleged harasser, and nobody else
2. Every worker in the building, by a notice posted at the door
3. The worker who complained and the alleged harasser, if a worker
4. Only the employer's insurance company
32.Who designates the JHSC member to investigate a death or critical injury?
1. The worker members of the committee
2. The ministry inspector on site
3. The injured worker's family
4. The employer's senior manager
33.How long a term does the OHSA set for JHSC members?
1. Exactly two years, and the term can never be renewed
2. Six months, after which members must resign
3. Life, unless the member leaves the employer
4. None; the ministry recommends at least one year
34.A solvent reading is below the TWA over the shift but a 15-minute spike exceeds the STEL. Is the exposure acceptable?
1. Yes, if the worker wore a dust mask at the time
2. Yes, as long as it happened only once a day
3. No; the STEL must also be respected
4. Yes; only the TWA applies over a full shift
35.Which employer duty supports the worker's right to know?
1. Posting the company's quarterly profits online
2. Paying workers on time every two weeks
3. Acquainting workers with hazards in their work
4. Allowing workers to choose their supervisor
36.What must the employer give the committee about health and safety reports in its possession?
1. Only a summary, once the report is at least ten years old
2. Nothing, since such reports are always confidential
3. The results, and a copy of the relevant parts if written
4. Only the cover page, with all findings blacked out
37.Replacing a solvent-based paint with a water-based paint is which type of control?
1. Personal protective equipment
2. Administrative control
3. Elimination
4. Substitution
38.What is hazard recognition?
1. The initial identification of a potential or existing hazard
2. The award given to the workplace with the fewest hazards
3. The final repair of a hazard by the maintenance department staff
4. The fine an inspector issues after finding a hazard
39.What must an employer do with proof of members' JHSC certification?
1. Keep it and show it to an inspector on request
2. Destroy it once the member has been certified
3. Post copies on the public website for customers
4. Send the originals to the WSIB each January
40.Which general duty does the OHSA place on every employer?
1. Pay for every worker's personal health insurance premiums
2. Guarantee that no worker is ever injured in any circumstance
3. Take every reasonable precaution to protect a worker
4. Hire a full-time safety engineer at every workplace site
41.The danger continues after the supervisor's investigation. What can the first certified member do next?
1. Stop the work alone, without anyone else agreeing to it
2. Resign from the committee in protest of the decision
3. File a lawsuit against the supervisor personally
4. Ask a certified member from the other party to investigate
42.Workplace stress, violence and harassment are examples of which hazard category?
1. Chemical
2. Safety
3. Physical hazard
4. Psychosocial
43.Which topic must worker awareness training include?
1. How to drive a forklift without training
2. The company's marketing and sales plans
3. Occupational illness, including latency
4. How to file a personal income tax return
44.How often must the workplace violence and harassment policies be reviewed?
1. Only after an incident has been reported
2. Never, once they are signed and posted
3. As often as necessary, but at least annually
4. Every five years, when the policy is renewed
45.At a construction project, an equipment failure occurs with no injury. Within how long must the constructor give written notice to the JHSC?
1. Within two days
2. Within 21 days
3. Within four days
4. Immediately by phone
46.How often must a JHSC meet, at minimum?
1. Only when an injury happens
2. At least once every week
3. At least once a year, in January
4. At least once every three months
47.Which Ontario regulation sets limits for exposure to biological or chemical agents?
1. O. Reg. 213/91
2. Reg. 851
3. Reg. 833
4. O. Reg. 632/05
48.Who must be present during the employer's first-stage investigation of a work refusal?
1. The worker's family doctor and a WSIB claims adjudicator
2. A ministry inspector and a police officer from the local station
3. Only the supervisor and the company's lawyer, behind closed doors
4. The worker and a worker member or worker representative
49.Within how many days must an employer respond in writing to written JHSC recommendations?
1. 90 days
2. 21 days
3. 7 days
4. 60 days
50.When choosing a substitute chemical, what must be checked?
1. That it does not create a new or greater hazard
2. That it comes in the same colour container
3. That it has a stronger smell than before
4. That it is the cheapest product on the market

Answer key with explanations

1. C — Assist and co-operate with the committee
Clause 25(2)(e) requires the employer to afford assistance and co-operation to the committee and the health and safety representative in carrying out their functions.
Duties of the workplace parties · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 3 Duties of the workplace parties, OHSA s. 25(2)(e)
2. B — File a complaint with the Board within 30 days
Under s. 49, an employer, worker or union may complain to the Board within 30 days; the Board may make an order, including decertifying the member. Reprisals are not allowed.
Certified members and dangerous circumstances · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 7 Certified members and dangerous circumstances, OHSA s. 49
3. B — Musculoskeletal
CCOHS lists repetitive movements and improper workstation setup as ergonomic hazards; Part One training calls this category musculoskeletal.
Hazard recognition and categories · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 9 Hazard recognition and categories, CCOHS — Hazard identification
4. A — $500,000, up to 12 months in jail, or both
Under s. 66(1), an individual faces a fine of up to $500,000, imprisonment of up to 12 months, or both. Corporations face up to $2,000,000.
The OHSA and how the law works · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 2 The OHSA and how the law works, OHSA s. 66(1)
5. A — When five or fewer workers are regularly employed
The written policies must be posted, except where five or fewer workers are regularly employed, unless an inspector orders otherwise.
Workplace violence and harassment · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 8 Workplace violence and harassment, OHSA s. 32.0.1(3)
6. B — A fractured arm
A critical injury includes the fracture of a leg or arm but not a finger or toe, among other serious injuries such as unconsciousness or substantial blood loss.
Reporting and investigating incidents · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 13 Reporting and investigating incidents, Reg. 834 (JHSC guide)
7. C — At least one hour, or more if the committee decides
Each member is entitled to one hour, or a longer period the committee determines is necessary, to prepare for each meeting, and is paid as if at work.
When a JHSC is required and how it runs · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 5 When a JHSC is required and how it runs, OHSA s. 9(34)–(35)
8. D — The American Conference of Governmental Industrial Hygienists (ACGIH)
Part One training identifies Reg. 833, O. Reg. 490/09 and the ACGIH guidelines (threshold limit values) as sources of exposure limits.
Hazard assessment and exposure limits · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 11 Hazard assessment and exposure limits, Program Standard 8.1.8
9. C — When they have reason to believe it is likely to endanger them
A worker may refuse if they have reason to believe equipment, the workplace's physical condition, workplace violence or a contravention is likely to endanger them or, in some cases, another worker.
Worker rights: know, participate, refuse · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 4 Worker rights, OHSA s. 43(3)
10. B — On assessments of likely worker exposure to a designated substance
Under O. Reg. 490/09, employers consult the committee on assessments of likely worker exposure to designated substances, and the committee may make recommendations.
JHSC powers and recommendations · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 6 JHSC powers and recommendations, O. Reg. 490/09 (JHSC guide)
11. D — Elimination of the working-at-heights hazard
CCOHS gives using a reach pole for window washing as an example of elimination, because the work at heights is removed.
Hazard control and evaluating controls · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 12 Hazard control and evaluating controls, CCOHS — Hierarchy of controls
12. B — At least once a month
Section 9(26) requires the designated member to inspect the physical condition of the workplace at least once a month, unless a regulation or inspector's order sets another schedule.
Workplace inspections · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 10 Workplace inspections, OHSA s. 9(26)
13. A — As work time, paid at the regular or premium rate
A committee member fulfilling certification requirements is deemed to be at work and must be paid at the regular or premium rate, unless paid by the WSIB for that time.
Certification and the internal responsibility system · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 1 Certification and the IRS, OHSA s. 9(36)
14. A — Take all reasonable care that the corporation complies
Section 32 requires every director and officer of a corporation to take all reasonable care to ensure the corporation complies with the Act, regulations and orders.
Duties of the workplace parties · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 3 Duties of the workplace parties, OHSA s. 32
15. A — A contravention, a resulting hazard, and danger from any delay
Section 44(1) defines dangerous circumstances as a contravention of the Act or regulations that poses a danger or hazard to a worker, where any delay in controlling it may seriously endanger a worker.
Certified members and dangerous circumstances · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 7 Certified members and dangerous circumstances, OHSA s. 44(1)
16. C — Any source of potential damage or harm
CCOHS gives the most common definition: a hazard is any source of potential damage or harm to someone or something.
Hazard recognition and categories · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 9 Hazard recognition and categories, CCOHS — Hazard identification
17. B — Give the committee a copy of the order
Section 57(10) requires the employer to provide the committee with a copy of any order or report issued by an inspector.
The OHSA and how the law works · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 2 The OHSA and how the law works, OHSA s. 57(10)
18. A — A course of vexatious comment or conduct known to be unwelcome
The Act defines workplace harassment as a course of vexatious comment or conduct against a worker that is known or ought reasonably to be known to be unwelcome, including workplace sexual harassment.
Workplace violence and harassment · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 8 Workplace violence and harassment, OHSA s. 1
19. C — Immediately, by telephone or other direct means
Section 51(1) requires immediate notice by telephone or other direct means to an inspector, the committee or representative, and the union when a person is killed or critically injured.
Reporting and investigating incidents · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 13 Reporting and investigating incidents, OHSA s. 51(1)
20. D — One by the worker members and one by the management members
The committee is co-chaired by two members: one chosen by members representing workers and one by members who exercise managerial functions.
When a JHSC is required and how it runs · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 5 When a JHSC is required and how it runs, OHSA s. 9(11)
21. C — The maximum for any 15 minutes, up to four times a shift, an hour apart
A STEL is the maximum concentration for any 15-minute period, no more than four times in an eight-hour shift, with at least one hour between exposures.
Hazard assessment and exposure limits · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 11 Hazard assessment and exposure limits, Reg. 833 s. 1
22. D — Assign reasonable alternative work
Pending the inspector's decision, the worker stays in a safe place, or the employer may assign reasonable alternative work during normal hours, subject to any collective agreement.
Worker rights: know, participate, refuse · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 4 Worker rights, OHSA s. 43(10.1)
23. B — To be consulted and present at the beginning of the testing
The committee is consulted about testing, and a designated worker member may be present at the beginning of tests to make sure valid procedures are used and results are accurate.
JHSC powers and recommendations · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 6 JHSC powers and recommendations, OHSA s. 9(18)(f)
24. D — Yes; controls are often combined
CCOHS says more than one control method can be used, for example engineering controls plus training and PPE.
Hazard control and evaluating controls · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 12 Hazard control and evaluating controls, CCOHS — Hierarchy of controls
25. D — A worker member chosen by worker members, certified if possible
Worker members designate a worker member to inspect, and that member should be a certified member if possible. Different members may do different inspections.
Workplace inspections · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 10 Workplace inspections, OHSA s. 9(23)–(24)
26. C — Part One only
Self-paced eLearning is permitted only for Part One. No eLearning or blended delivery is allowed for Part Two or Refresher training.
Certification and the internal responsibility system · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 1 Certification and the IRS, Program Standard s. 6.3
27. A — Ensure workers use the protective equipment the employer requires
Section 27(1) requires a supervisor to ensure workers work as the law requires and use or wear the equipment, protective devices or clothing the employer requires.
Duties of the workplace parties · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 3 Duties of the workplace parties, OHSA s. 27(1)
28. A — A certified member or an inspector
Under s. 46(1), a certified member or an inspector who believes the s. 45 procedure will not be sufficient may apply to the Board, which may declare the employer subject to the unilateral procedure.
Certified members and dangerous circumstances · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 7 Certified members and dangerous circumstances, OHSA s. 46(1)
29. A — A condition caused by workplace exposure to an agent that impairs health
The OHSA defines occupational illness as a condition resulting from exposure in a workplace to a physical, chemical or biological agent that impairs the worker's health.
Hazard recognition and categories · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 9 Hazard recognition and categories, OHSA s. 1
30. B — Provide written proof, since the request is within six months
Employers must give written proof of completion when asked, including when the request comes within six months after the worker stops working for them.
The OHSA and how the law works · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 2 The OHSA and how the law works, O. Reg. 297/13 s. 4(5)
31. C — The worker who complained and the alleged harasser, if a worker
The employer must ensure both the worker who allegedly experienced harassment and the alleged harasser, if a worker of the employer, are informed in writing of the results and any corrective action.
Workplace violence and harassment · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 8 Workplace violence and harassment, OHSA s. 32.0.7(1)(b)
32. A — The worker members of the committee
Section 9(31) requires the members representing workers to designate one or more worker members to investigate cases where a worker is killed or critically injured.
Reporting and investigating incidents · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 13 Reporting and investigating incidents, OHSA s. 9(31)
33. D — None; the ministry recommends at least one year
The Act does not specify terms; the ministry recommends at least one year, with staggered terms for continuity.
When a JHSC is required and how it runs · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 5 When a JHSC is required and how it runs, JHSC guide
34. C — No; the STEL must also be respected
Each limit applies. Staying under the TWA for the shift does not permit exceeding the STEL during any 15-minute period.
Hazard assessment and exposure limits · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 11 Hazard assessment and exposure limits, Reg. 833 s. 1
35. C — Acquainting workers with hazards in their work
Clause 25(2)(d) requires the employer to acquaint workers with any hazard in the work and in handling, storing, using and disposing of agents. Information and instruction under 25(2)(a) also supports it.
Worker rights: know, participate, refuse · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 4 Worker rights, OHSA s. 25(2)(d)
36. C — The results, and a copy of the relevant parts if written
Clause 25(2)(l) requires the employer to provide the committee with the results of occupational health and safety reports in its possession and a copy of the relevant portions if written.
JHSC powers and recommendations · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 6 JHSC powers and recommendations, OHSA s. 25(2)(l)
37. D — Substitution
Substitution replaces a hazard with a less hazardous one, such as a water-based instead of solvent-based paint. The substitute must also be assessed.
Hazard control and evaluating controls · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 12 Hazard control and evaluating controls, CCOHS — Hierarchy of controls
38. A — The initial identification of a potential or existing hazard
Part One training defines hazard recognition as the initial identification of the potential for, or existence of, a hazard.
Workplace inspections · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 10 Workplace inspections, Program Standard 8.1.7
39. A — Keep it and show it to an inspector on request
Employers must keep proof of workers' JHSC certification, issued by the Chief Prevention Officer, and make it available to a ministry inspector on request.
Certification and the internal responsibility system · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 1 Certification and the IRS, Training page; JHSC guide
40. C — Take every reasonable precaution to protect a worker
Clause 25(2)(h) requires the employer to take every precaution reasonable in the circumstances for the protection of a worker. The Act does not require guarantees or a safety engineer at every site.
Duties of the workplace parties · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 3 Duties of the workplace parties, OHSA s. 25(2)(h)
41. D — Ask a certified member from the other party to investigate
The member may request that a second certified member representing the other workplace party promptly investigate the matter in the first member's presence.
Certified members and dangerous circumstances · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 7 Certified members and dangerous circumstances, OHSA s. 45(2)–(3)
42. D — Psychosocial
CCOHS classes stress, violence and harassment as psychosocial hazards.
Hazard recognition and categories · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 9 Hazard recognition and categories, CCOHS — Hazard identification
43. C — Occupational illness, including latency
Worker awareness training covers rights and duties, employer and supervisor duties, the roles of JHSCs, the ministry and the WSIB, common hazards, WHMIS, and occupational illness including latency.
The OHSA and how the law works · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 2 The OHSA and how the law works, O. Reg. 297/13 s. 1(3)
44. C — As often as necessary, but at least annually
Section 32.0.1 requires the employer to prepare written violence and harassment policies and review them as often as necessary, but at least annually.
Workplace violence and harassment · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 8 Workplace violence and harassment, OHSA s. 32.0.1
45. A — Within two days
Section 53 requires written notice within two days to the committee, representative and union (and a Director) after prescribed incidents such as equipment failure, cave-in or flood at a project, mine or prescribed location.
Reporting and investigating incidents · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 13 Reporting and investigating incidents, OHSA s. 53(1)
46. D — At least once every three months
Section 9(33) requires the committee to meet at least once every three months; the Minister may order more frequent meetings.
When a JHSC is required and how it runs · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 5 When a JHSC is required and how it runs, OHSA s. 9(33)
47. C — Reg. 833
R.R.O. 1990, Reg. 833, Control of Exposure to Biological or Chemical Agents, sets exposure limits. Reg. 851 covers industrial establishments and O. Reg. 632/05 confined spaces.
Hazard assessment and exposure limits · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 11 Hazard assessment and exposure limits, Program Standard 8.1.8
48. D — The worker and a worker member or worker representative
The supervisor investigates in the presence of the worker and a committee member representing workers, or the health and safety representative, or a worker chosen by the union or workers.
Worker rights: know, participate, refuse · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 4 Worker rights, OHSA s. 43(4)
49. B — 21 days
An employer who receives written recommendations from the committee or a co-chair must respond in writing within 21 days.
JHSC powers and recommendations · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 6 JHSC powers and recommendations, OHSA s. 9(20)
50. A — That it does not create a new or greater hazard
CCOHS warns that substitutes must be assessed so the new hazard is actually lower and one hazard is not simply traded for another.
Hazard control and evaluating controls · Based on: Ontario JHSC Part One sources (Oct 2026), Ch. 12 Hazard control and evaluating controls, CCOHS — Hierarchy of controls

Original practice questions by Canada Exam Prep, written from the official handbook. Not official test questions. Free to print for personal study.

FAQ

JHSC Part One practice test (printable PDF): common questions

Can I get the real JHSC Part 1 test answers as a PDF?

No. Approved providers do not publish their evaluations, so any answer key found online is unofficial. This sheet is original practice written from Ontario law and the official program standard.

How close is this sheet to the real Part One evaluation?

The topics follow the Part One learning outcomes in the program standard, in multiple-choice form. The real evaluation is marked by your provider, and you need 75 per cent. On this sheet, 38 out of 50 is the same mark.

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Press the print button and choose Save as PDF as the printer. Menus and ads are left out, and the answer key starts on its own page.

JHSC Part One Practice Test – Printable Questions and Answers