Question: A single - acting two stage air compressor has a bore of 200 mm and a stroke of 300 mm. Air is induced at

A single - acting two stage air compressor has a bore of 200 mm and a stroke of 300 mm. Air is induced at 1

A single - acting two stage air compressor has a bore of 200 mm and a stroke of 300 mm. Air is induced at 1 bar and 32 oC and delivered at 12 bar. The temperature of the air entering the second stage is 40 oC and the ideal pressure ratio is assumed. The volumetric efficiency is 92 % while the speed is 300rev/ min. taking the Free air delivery as 1.013 bar and 15 oC and the law of compression and expansion in the stage is Pv 1.28 = C. determine. i. Intermediate pressure ii. Swept volumes in the high and the low pressure cylinders. iii. The indicated power Draw the P-v diagram.

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