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An air-standard dual cycle has a compression ratio of 9.1 and displacement of Vd = 2.2...

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Mechanical Engineering

An air-standard dual cycle has a compression ratio of 9.1 anddisplacement of Vd = 2.2 L. At the beginning of compression, p1 =95 kPa, and T1 = 290 K. The heat addition is 5 kJ, with one quarteradded at constant volume and the rest added at constant pressure.Determine: a) each of the unknown temperatures at the variousstates, in K. b) the net work of the cycle, in kJ. c) the powerdeveloped at 3000 cycles per minute, in kW. d) the thermalefficiency. e) the mean effective pressure, in kPa.

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