Question: For an engine burning C7H14 with 25% excess air, the stoichiometric air to fuel (A/F) ratio (mass basis) is given as 14.71: The relative air

For an engine burning C7H14 with 25% excess air, the stoichiometric air to fuel (A/F) ratio (mass basis) is given as 14.71: The relative air to fuel ratio is _______.

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