MECHENG 235 Lecture Notes - Isobaric Process, Joule, Thermodynamics

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Me 235 thermodynamics i / winter 2014 / section 002. 6. 25 determine the missing property among p, t, s, and x for r-410a at: t = 20 c, v = 0. 1377 m3/kg, t = 20 c, v = 0. 01377 m3/kg, p = 200 kpa, s = 1. 409 kj/kgk. 6. 30 two kg water at 120 c with a quality of 25% has its temperature raised 20 c in a constant volume process. 6. 44 a piston cylinder maintaining constant pressure contains 0. 1 kg saturated liquid water at 100 c. It is now boiled to become saturated vapor in a reversible process. Find the work term and then the heat transfer from the energy equation. 6. 49 a piston/cylinder has 2 kg water at 1000 kpa, 200 c which is now cooled with a constant loading on the piston. This isobaric process ends when the water has reached a state of saturated liquid.

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