# assignment 3 - PV n = C P1V1 n = P2V2 n On substituting and...

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10. 3.80 problem Given R-22 , P1= 400KPa , P2 = 2000 KPa T1 = -5°C, T2 = 70°C W=? and Q=? From table A-9 At T1 = -5°C, P1= 400 KPa, V1 = .0586 m 3 / kg, h1 = 248.6 KJ/Kg At T2 = 70°C, P2 = 2000 KPa, V2 = 0.013 m 3 / kg, h2 = 281.36 KJ / Kg
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Unformatted text preview: PV n = C P1V1 n = P2V2 n , On substituting and solving we get the value of n as 1.0688 Therefore, n = 1.0688 Workdone = (P2V2-P1V1)/1-n On substitution W = -37.21 KJ Heat Q = h2 – h1 Q = 281.36 – 248.6 Q = 32.76 KJ/kg....
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assignment 3 - PV n = C P1V1 n = P2V2 n On substituting and...

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