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Mining Engineering · Q42

Mine Ventilation

Engineering and GATE · Mining Engineering · question 42

Q42

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

Answer: Option D

Solution

Answer: Option D
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