Q331
Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent.
A.
< 37%
B.
>71%
C.
In between 37 & 71%
AnswerD.
None of these
Answer: Option C
Solution
Answer: Option C
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