A double acting, single cylinder, reciprocating air compressor has a piston displacement of (0.014 mathrm{~m}^{3}) per revolution,

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A double acting, single cylinder, reciprocating air compressor has a piston displacement of \(0.014 \mathrm{~m}^{3}\) per revolution, operates at \(600 \mathrm{rpm}\) and has a \(4 \%\) clearance. The air is received at 1 bar and delivered at 8 bars. The compression and expansion are polytropic with \(n=1.3\). Determine: (i) the volumetric efficiency, (ii) the power required, and (iii) the heat transferred and its direction during compression if inlet temperature of the air is \(293 \mathrm{~K}\).

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