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Iso-octane (C,H,) is supplied to a four-cylinder spark-ignition engine at 2 g/s. Calculate the air-flow rate for stoichiometric combustion. If the engine is operating at

Iso-octane (C,H,) is supplied to a four-cylinder spark-ignition engine at 2 g/s. Calculate the
air-flow rate for stoichiometric combustion. If the engine is operating at 1500 rev/min, estimate
the mass of fuel and air entering each cylinder per cycle. The engine displaced volume is 2.4
liters. What is the volumetric efficiency? Density of air is 1.181 kg/m³.

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