Engineering, 11.03.2020 23:11, 1tallison1
Liquid flows at steady state at a rate of 2 lb/s through a pump, which operates to raise the elevation of the liquid 100 ft from control volume inlet to exit. The liquid specific enthalpy at the inlet is 40.09 Btu/lb and at the exit is 40.94 Btu/lb. The pump requires 3 Btu/s of power to operate. If kinetic energy effects are negligible and gravitational acceleration is 32.174 ft/s2, the heat transfer rate associated with this steady state process is most closely1.04 Btu/s from the liquid to the surroundings.3.98 Btu/s from the surroundings to the liquid.4.96 Btu/s from the surroundings to the liquid.2.02 Btu/s from the liquid to the surroundings.
Answers: 2
Engineering, 03.07.2019 15:10, margaret1758
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Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°c with a volumetric flow rate of 0.18 m3/s. refrigerant exits at 9 bar, 70°c. changes in kinetic and potential energy from inlet to exit can be ignored. determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kw.
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Liquid flows at steady state at a rate of 2 lb/s through a pump, which operates to raise the elevati...
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