Question:
The data obtained from an air sample analysis of an old working in a coal mine are given.
O2 17.15%, CO2 3.40%, CH4 2.20%, and N2 77.25%.
Considering atmospheric air contains
O2 20.95%, CO2 0.03%, and N2 79.02%,
the percentage of blackdamp in the old working, is____.( round off up to 2 decimals)
The data obtained from an air sample analysis of an old working in a coal mine are given.
O2 17.15%, CO2 3.40%, CH4 2.20%, and N2 77.25%.
Considering atmospheric air contains
O2 20.95%, CO2 0.03%, and N2 79.02%,
the percentage of blackdamp in the old working, is____.( round off up to 2 decimals)
O2 17.15%, CO2 3.40%, CH4 2.20%, and N2 77.25%.
Considering atmospheric air contains
O2 20.95%, CO2 0.03%, and N2 79.02%,
the percentage of blackdamp in the old working, is____.( round off up to 2 decimals)
Updated On: Jul 18, 2024
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Correct Answer: 15.5
Solution and Explanation
The correct answer is: 15.50 or16.50 (approx)
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