Maximum allowable concentration of CO2 in air for safe wo... — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

Maximum allowable concentration of CO2 in air for safe working is _____________ ppm (parts per million)?

Correct answer: A

Explanation

The safe working limit for CO2 in air is generally considered to be around 50 ppm.

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