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Mining Engineering · Q45

Mine Ventilation

Engineering and GATE · Mining Engineering · question 45

Q45

An air sample produces 8% CH4 and 3% H2. If the lower flammability of CH4 is 5% and H2 is 4%, what is the lower flammability of the mixture?

A.
9.50%
B.
7.16%
C.
4.68%
Answer
D.
3.90%

Answer: Option C

Solution

Answer: Option C
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