For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³ ), while the C.V. is same on weight basis (i.e., kcal/kg) ?
Options:
A . Propane and acetylene
B . Propane and LPG
C . Sewage gas and gobar gas
D . B.F. gas and coke oven gas
Answer: Option A Answer: (a).Propane and acetylene
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