Question: A six cylinder four stroke I.C. Engine is to develop (100 mathrm{~kW}) i.p. at 800 RPM. The stroke to bare ratio is 1.25. Assuming Mechanical

A six cylinder four stroke I.C. Engine is to develop $100 \mathrm{~kW}$ i.p. at 800 RPM. The stroke to bare ratio is 1.25. Assuming Mechanical efficiency of $80 \%$ and break mean effective pressure of 5 bar find out the diameter and stroke of the engine.

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