Engineering, 13.09.2019 22:20 cartertyson499
Aclosed, rigid, 0.50 m^3 tank is filled with 12 kg of water. the initial pressure is p1 = 20 bar. the water is cooled until the pressure is p2 = 4 bar. determine the initial quality, x1, and the heat transfer, in kj.
Answers: 3
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Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk
Answers: 1
Aclosed, rigid, 0.50 m^3 tank is filled with 12 kg of water. the initial pressure is p1 = 20 bar. th...
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