Physics, 13.03.2020 19:55 HurpsGaming1
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 closely.
(a) 1.04 Btu/s from the liquid to the surroundings
(b) 2.02 Btu/s from the liquid to the surroundings
(c) 3.98 Btu/s from the surroundings to the liquid
(d) 4.96 Btu/s from the surroundings to the liquid
Answers: 2
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