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Confined Space Awareness Course 2026

This course is for workers in Canada, including security guards and site staff, who work near tanks, pits, vaults, sewers and similar spaces. It explains what a confined space is, its hazards, air testing, entry permits, attendants and rescue. It is awareness only: it does not train you to enter a confined space, act as an attendant or take part in a rescue, which require training from your employer.

  • Cursus
  • Canada
  • 25 vragen
  • Gecontroleerd op 13 oktober 2026

Kort antwoord

Deze gratis cursus heeft ongeveer 30 minuten lessen en een toets van 25 vragen. Haal 80% of meer om een bewijs van deelname te downloaden (privé, niet geaccrediteerd). Gecontroleerd aan de hand van officiële bronnen op 13 oktober 2026.

Begin met de lessenConfined Space Awareness Course: Lessons: ongeveer 30 minuten leestijd. Elke testvraag wordt in de lessen behandeld.

Wat je leert

  • Recognize a confined space and common examples
  • Describe oxygen, flammable, toxic and engulfment hazards
  • Explain air testing, entry permits and their limits
  • Describe the attendant's role and why rescue must be planned
  • Keep unauthorized people out and respond safely in an emergency

Haal 80% of meer om je certificaat te downloaden.

  1. Vraag 1 van 25

    Which of these is part of the general definition of a confined space?
    Toon antwoord

    Antwoord: A. It is not built for people to stay in

    A confined space is not designed for continuous human occupancy, has limited entry or exit, and can be hazardous.

  2. Vraag 2 van 25

    Is a confined space always small?
    Toon antwoord

    Antwoord: D. No, it can be large, like a silo

    CCOHS notes that a confined space, despite its name, is not necessarily small. Silos and tanks can be very large.

  3. Vraag 3 van 25

    Which of these is most likely to be a confined space?
    Toon antwoord

    Antwoord: B. A storage tank

    Storage tanks are confined spaces. Ontario's guideline says offices, shops and walk-in freezers are designed for occupancy.

  4. Vraag 4 van 25

    Normal air contains about how much oxygen?
    Toon antwoord

    Antwoord: B. 21%

    Normal air is about 21% oxygen. Lower levels can cause collapse and death.

  5. Vraag 5 van 25

    Under Ontario's confined spaces rules, oxygen outside which range is an atmospheric hazard?
    Toon antwoord

    Antwoord: B. 19.5% to 23%

    Ontario treats oxygen below 19.5% or above 23% by volume as an atmospheric hazard.

  6. Vraag 6 van 25

    Why should you never use pure oxygen to freshen the air in a confined space?
    Toon antwoord

    Antwoord: D. Extra oxygen makes fires far more likely

    Too much oxygen greatly increases the risk of fire and explosion. CCOHS says never substitute oxygen for fresh air.

  7. Vraag 7 van 25

    Nitrogen, argon and carbon dioxide can be deadly in a confined space. Why?
    Toon antwoord

    Antwoord: A. They push out oxygen

    These simple asphyxiants displace oxygen. Unconsciousness or death can follow within minutes.

  8. Vraag 8 van 25

    Which toxic gas does CCOHS name as a confined space hazard?
    Toon antwoord

    Antwoord: A. Hydrogen sulphide

    CCOHS gives hydrogen sulphide and carbon monoxide as examples of toxic gases in confined spaces.

  9. Vraag 9 van 25

    What is engulfment?
    Toon antwoord

    Antwoord: D. Being buried by grain, sand or liquid

    Engulfment means being trapped or buried by shifting or collapsing bulk material, or by flooding liquid.

  10. Vraag 10 van 25

    Why is a problem inside a confined space more dangerous than the same problem in an open room?
    Toon antwoord

    Antwoord: C. Escape and rescue are much harder

    There is less margin for error, rescue and self-rescue are harder, ventilation is poor and conditions can change quickly.

  11. Vraag 11 van 25

    Where should the air in a confined space first be tested?
    Toon antwoord

    Antwoord: A. From outside, before anyone enters

    Air should be tested from outside the space before anyone enters.

  12. Vraag 12 van 25

    In BC, pre-entry air testing must be done no more than how long before a worker enters?
    Toon antwoord

    Antwoord: C. 20 minutes

    BC's OHS Regulation s. 9.25 requires testing to be completed not more than 20 minutes before entry.

  13. Vraag 13 van 25

    Under Ontario's guideline, cold work (no sparks or flames) may be done only if flammable gas is below what level?
    Toon antwoord

    Antwoord: C. 10% of the LEL

    Ontario's decision chart allows cold work below 10% of the lower explosive limit; hot work needs less than 5%.

  14. Vraag 14 van 25

    In Ontario, at what flammable gas level is entry into a confined space not allowed at all?
    Toon antwoord

    Antwoord: B. 25% of the LEL or more

    Ontario's guideline allows inspection only below 25% of the LEL. At 25% or more, entry is not permitted.

  15. Vraag 15 van 25

    What does LEL stand for in air testing?
    Toon antwoord

    Antwoord: D. Lower explosive limit

    Flammable gas readings are given as a percentage of the lower explosive limit (LEL).

  16. Vraag 16 van 25

    In Ontario, how often must a new entry permit be issued?
    Toon antwoord

    Antwoord: C. Each time work is done in the space

    Ontario's regulation (s. 10) requires a separate entry permit each time work is to be performed in a confined space.

  17. Vraag 17 van 25

    Which item must an Ontario entry permit include?
    Toon antwoord

    Antwoord: A. The results of the air tests

    The permit lists the location, work, hazards and controls, time period, attendant, entries and exits, equipment and atmospheric test results.

  18. Vraag 18 van 25

    Where must the attendant be during a confined space entry in Ontario?
    Toon antwoord

    Antwoord: A. Outside and near the entrance

    Ontario's guideline says the attendant stays outside and near the entrance and does not enter.

  19. Vraag 19 van 25

    A worker inside collapses. The attendant is alone at the entrance. What should the attendant do?
    Toon antwoord

    Antwoord: C. Stay outside and call for rescue

    The attendant must not enter. They call for emergency rescue right away, keep communication and support the rescue.

  20. Vraag 20 van 25

    According to CCOHS, about what share of confined space deaths are would-be rescuers?
    Toon antwoord

    Antwoord: D. About 60% or more

    CCOHS reports that more than 60% of confined space deaths are would-be rescuers.

  21. Vraag 21 van 25

    In Ontario, what must be in place before anyone enters a confined space?
    Toon antwoord

    Antwoord: C. A ready on-site rescue plan

    Ontario (s. 11) requires written on-site rescue procedures ready for immediate use and enough trained rescuers before entry. Calling 911 alone does not count.

  22. Vraag 22 van 25

    In BC, in a low or moderate hazard confined space, a standby person must check on the workers inside at least how often?
    Toon antwoord

    Antwoord: B. Every 20 minutes

    BC's OHS Regulation (ss. 9.34 and 9.35) requires checks at least every 20 minutes in low and moderate hazard spaces. In high hazard spaces the standby person must monitor the workers continuously.

  23. Vraag 23 van 25

    Under Ontario's rules, how must entrances be handled if unauthorized entry is possible?
    Toon antwoord

    Antwoord: B. Secured, or barricaded and signed

    Ontario (s. 17) requires each entrance to be secured, or to have adequate barricades, warning signs or both.

  24. Vraag 24 van 25

    Before a confined space is closed up after work, what must be checked?
    Toon antwoord

    Antwoord: D. That no one is still inside

    CCOHS says no confined space should be closed off until it has been verified that no person is inside.

  25. Vraag 25 van 25

    Under Ontario's regulation, who must receive adequate training?
    Toon antwoord

    Antwoord: A. Entrants, attendants and rescuers

    Ontario (s. 8) requires adequate training for every worker who enters a confined space or does related work, such as attendants and rescuers.

Wat je moet weten voor het examen

  • All Canadian jurisdictions have confined space entry regulations, with small differences between them.
  • CCOHS reports that more than 60% of confined space deaths are would-be rescuers.
  • Ontario treats oxygen below 19.5% or above 23% by volume as an atmospheric hazard.
  • In Ontario, a separate entry permit is needed each time work is to be done in a confined space.
  • In BC, pre-entry testing must be done no more than 20 minutes before a worker enters.

Veelgestelde vragen

Can I enter a confined space after this course?

No. Only workers trained by their employer and authorized under the site's plan and entry permit may enter. Ontario, for example, requires adequate training for entrants, attendants and rescuers. This course is awareness only.

What should I do if someone collapses inside a confined space?

Do not go in. Raise the alarm, call the trained rescue team and 911 as your site plan says, and keep others out.

Why do so many rescuers die?

People rush in to help without testing the air or wearing supplied air, and are overcome by the same hazard. CCOHS reports more than 60% of confined space deaths are would-be rescuers.

Is het certificaat geaccrediteerd of officieel erkend?

Nee. Het is een privé bewijs van deelname, alleen voor je kennis. Het is niet erkend, geaccrediteerd of goedgekeurd door een overheid, vergunningsinstantie, toezichthouder of onderwijsinstelling, en het vervangt geen wettelijk verplichte vergunning, certificering of opleiding.

Bronnen

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