Determine the final storage tank temperature for a fully mixed water storage tank contains (540 kg) of water, has a UA product equal to (20 WPC), and is located in a room that is at a constant T temperature of (TC) while the initial temperature is (40 °C). The tank is examined i (3 hr) period starting from 11:00 AM) where the Q, is equal to (40, 50, 60 MJ). The load is equal to (30 MJ) in the first 2 hr and (40 MJ) the rest of time