Engineering, 28.10.2020 21:40, 123abc321cbaabc

An one-liter cubic capacity, four-stroke, four-cylinder SI engine has a brake thermal efficiency of 30% and indicated power is 40 kW at full load. At half load, it has a mechanical efficiency of 65%. Assuming constant mechanical losses, Evaluatethe following: (i) brake power (ii) frictional power (iii) mechanical efficiency at full load (iv) indicated thermal efficiency. If the volume decreases by eight-fold during the compression stroke, calculate the clearance volume.

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An one-liter cubic capacity, four-stroke, four-cylinder SI engine has a brake thermal efficiency of...