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HomeworkAnswers1 - ME 200 Thermodynamics I Spring 2011...

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ME 200 – Thermodynamics I Spring 2011 Answers to Assigned Homework Problems Lectures 1 through 11 1.7 (a) 30.97 ft/s 2 ; (b) 150 lbf 1.15 29.62 N SP1 (a) 420 N, 94.4 lbf; (b) 1081.5 N, 243.1 lbf 1.24 (a) 3.07 kg, 0.17 kmol; (b) 1.02 x 10 26 1.36 0.36 lbf/in 2 1.38 30.49 atm SP2 2 kg/m 3 1.42 150 kPa (1.48 atm), 100 kPa (0.99 atm) 1.50 (a) 69.8°F (529.47°R); (b) -40°F (419.67°R); (c) 932°F (1391.67°R); (d) 32°F (491.67°R); (e) 212°F (671.67°R); (f) -459.67°F (0°R) 1.51 (a) 20°C (293.15 K); (b) -40°C (233.15 K); (c) 260°C (533.15 K); (d) -17.78°C (255.37 K); (e) 100°C (373.15); (f) -273.15°C (0 K) SP3 (a) 111.715 kPa 2.9 210 kJ 2.20 102 kW SP4 (a) 39.96 J/kg; (b) 11.71 m; (c) 46.2 kW 2.33 W 12 = +160.94 kJ, W 23 = 0 kJ, W 31 = -400 kJ 2.37 (a) 20 ; (b) 9 kJ SP5 -8.92 μJ 2.29 (a) 9 bar, 5 bar; (b) +12.59 kJ, work done by the gas 2.41 (a) Not attached; (b) -20 J SP6 (b) 285 K 2.57 (a) Not attached; (b) W A = +230.26 kJ, W B = +135 kJ, work done by the gas; (c) Q A = +30.26 kJ, heat transfer to system, Q
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HomeworkAnswers1 - ME 200 Thermodynamics I Spring 2011...

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