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chemical engineering fuels and combustion
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 calorifice value will be
(A): 0.95 y
(B): 1.05 y
(C): 1.8 y
(D): y
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