Question

A diesel engine having 185mm diameter and 285mm stroke having the compression ratio of 12 and the maximum pressure in the cycle is noted as 60bar.The initial pressure and temperature

of the air are 1.3 bar and 26° C. cut off is 3%of the stroke. Estimate (i)Pressure and temperatures in all salient points; (ii)The work done per cycle; (ii)The air standard efficiency of the cycle; (iv)Power developed if number of working cycles are 200 per minute.

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