Question: A 4 - litre, 4 - cylinder, 4 - stroke internal combustion engine is operating at 2 5 0 0 RPM . The engine has

A 4-litre, 4-cylinder, 4-stroke internal combustion engine is operating at 2500 RPM. The engine has a compression ratio of 12 and a cylinder bore diameter of 7.5 cm . The measured brake power is 120 hp , and the mechanical efficiency is 80%. Calculate the following:
Indicated Power (3 marks)
Indicated Mean Effective Pressure (3 marks)
Power Lost on Friction (3 marks)
Specific Output (3 marks)
A 4 - litre, 4 - cylinder, 4 - stroke internal

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