A company is measuring the loss coefficient for a new valve. The valve is placed in a section of pipe with diameter D = 9 cm. The flow rate is Q = 0.05 m3/s. If the pressure drop is Δp = 61.73 kPa, what is the loss coefficient for the valve? The specific weight of water is γw = 9.802 kN/m3

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 btub. the pump requires 3 btu/s of power to operate. if kinetic energy effects are negligible and gravitational acceleration is 32.174 tt/s, the heat transfer rate associated with this steady state process is most closely 1)-2,02 btu/s from the liquid to the surroundings 2)-3.98 btu/s from the surroundings to the liquid. 3)-4.96 btu/s from the surroundings to the liquid. 4)-1.04 btu/s from the liquid to the surroundings.