1.

The calorific value of a gas of composition CO2 = 20%, H2 = 50%, CH4 = 30%, is y. If the composition of gas is changed to H2 = 50%, CH4 = 30%, CO2 = 10%, N2 = 10%, then the calorific value will be___________________?

A. y
B. 0.95 y
C. 1.05 y
D. 1.8 y
Answer» B. 0.95 y


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