An insulated electric water heater operates at steady state at a constant pressure of 150 kPa, supplying hot water at a flow rate of 0.5 kg/s. If the inlet temperature is 20°C and the exit temperature is maximized without creating any vapor, determine
(a) The electrical power consumption.
(b) The temperature of the water leaving the heater.
(c) The volume flow rate in L/min at the inlet.
(d) The volume flow rate in L/min at the exit. Use the PC model for water.