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Solution of Numerical asked in GTU Question paper 2019
Q.5 (c) Main Part

A one liter capacity, 4-stroke, 4 cylinder S.I. engine gives 30 % brake thermal efficiency and develops 40 kW indicated power at full load. The mechanical efficiency at half load is 65 % and compression ratio is 8. Assuming constant mechanical losses, Calculate. (1) Brake power and frictional power at full load (2) Mechanical efficiency at full load (3) Indicated thermal efficiency at full load (4) Clearance volume.