A spark-ignition engine operates with fuel-air ratio of 0.067 while the calorific value of the fuel is 42000 kJ /kg. The

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A spark-ignition engine operates with fuel-air ratio of 0.067 while the calorific value of the fuel is 42000 kJ /kg. The

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A Spark Ignition Engine Operates With Fuel Air Ratio Of 0 067 While The Calorific Value Of The Fuel Is 42000 Kj Kg The 1
A Spark Ignition Engine Operates With Fuel Air Ratio Of 0 067 While The Calorific Value Of The Fuel Is 42000 Kj Kg The 1 (42.01 KiB) Viewed 45 times
A spark-ignition engine operates with fuel-air ratio of 0.067 while the calorific value of the fuel is 42000 kJ /kg. The overall brake thermal efficiency is 20% for brake power output of 73.6 kW. (i) Compute the amount of air per hour, kg/hr? (ii) If the indicated thermal efficiency is 50 %, what is the friction power? (iii) Compute the brake specific fuel consumption?
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