Chapter 5 - Mass and Energy Analysis of Control Volumes - Problems - Page 254: 5-21

$\dot{Q}=3.46\ kW$

From tables A-12, and A-13: Inlet ($P_1=0.14\ MPa$, saturated vapor): $h_1=239.19\ kJ/kg$ Outlet ($P_2=0.8\ MPa,\ T_2=60°C$): $h_2=296.82\ kJ/kg$ $\dot{Q}=\Delta \dot{H}=\dot{m}(h_2-h_1)$ Since $\dot{m}=0.06\ kg/s$: $\dot{Q}=3.46\ kW$