HSE Closed Bell Saturation Commercial Diver Qualification Practice Questions - HSE Closed Bell Saturation Commercial Diver Qualification (UK HSE IMCA) Exam

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A saturation diving living chamber is pressurized to 100 msw (11 bar absolute pressure). If the chamber breathing gas mixture contains 4.0% oxygen by volume, what is the partial pressure of oxygen (ppO2) inside the chamber?

0.44 bar 0.04 bar 0.40 bar 0.55 bar

Correct Answer:

0.44 bar

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