Question: A gas engine working on 4-stroke cycle has a cylinder diameter (300 mathrm{~mm}) and stroke length of 500 (mathrm{mm}) is running at (220 mathrm{rpm}). Its

A gas engine working on 4-stroke cycle has a cylinder diameter $300 \mathrm{~mm}$ and stroke length of 500 $\mathrm{mm}$ is running at $220 \mathrm{rpm}$. Its mechanical efficiency is $80 \%$ when the mean effective pressure is $0.65 \mathrm{MPa}$. Find (i) indicated power, (ii) brake power, and (iii) friction power.

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