A gas mixture contains CH4, C2H6 and H2 with respective concentration of 75%, 15% and 10% by volume. The lower explosibility limit of CH4, C2H6 and H2 are 5.0%, 3.3% and 4.2% respectively. The lower explosibility limit of the gas mixture, in percentage, is
A. 5.01
B. 5.36
C. 4.68
D. 4.56
Answer: Option D
This Question Belongs to Mining Engineering >> Mine Ventilation
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