Which of the following percentages corresponds to an enriched atmosphere in a confined space?

Study for the BCSP Safety Management Professional Exam. Enhance your knowledge with flashcards and multiple-choice questions, enhanced with hints and explanations. Prepare thoroughly for your certification!

Multiple Choice

Which of the following percentages corresponds to an enriched atmosphere in a confined space?

Explanation:
An enriched atmosphere means there is more oxygen than normal in the space, which raises fire and explosion risk. The standard marker for enrichment is an oxygen concentration of 23.5% by volume. So 23.5% is the value that signals the air has moved into an enriched state. Normal outdoor air is about 21%, and 19.5% or below would be oxygen-deficient. A higher value like 25% would also be enriched, but 23.5% is the recognized threshold used to identify enrichment.

An enriched atmosphere means there is more oxygen than normal in the space, which raises fire and explosion risk. The standard marker for enrichment is an oxygen concentration of 23.5% by volume. So 23.5% is the value that signals the air has moved into an enriched state. Normal outdoor air is about 21%, and 19.5% or below would be oxygen-deficient. A higher value like 25% would also be enriched, but 23.5% is the recognized threshold used to identify enrichment.

More Multiple Choice Questions
Subscribe

Get the latest from Passetra

You can unsubscribe at any time. Read our privacy policy