For which pair of the fuel gases, calorific value (C.V.) of one fuel i – McqOptions

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1.	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/Nm ), while the C.V. is same on weight basis (i.e., kcal/kg) ?
A.	Propane and acetylene
B.	Propane and LPG
C.	Sewage gas and gobar gas
D.	B.F. gas and coke oven gas
Answer» B. Propane and LPG

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