Quiz: Confined Space – AB Chapter Four

Hazard Assessments need to be revised:

5 ppm of Sulphur Dioxide is considered safe.

4000 ppm of Carbon Dioxide is considered safe.

20% oxygen in air is considered safe.

The leading cause of confined space worker death is due to:

A hazardous atmosphere is one where vapours exceed:

An atmosphere that may impair a worker’s ability to escape best describes a:

An atmosphere that is not clean best describes a:

Inert gases:

A gas with a vapour density of 1 is expected:

Air is considered oxygen enriched at:

Safety hazards are related to: