A steam radiator has saturated water vapor al 125 kPa flowing through it Now the inlet and exit valves are closed, and 5 kg of the steam is sealed inside. After quite a while, the water is eventually cooled down to room temperature of 20C. (a) Determine the volume of the steam radiator in m (choose nearest value from below). Multiple Choice 555 m3 '588 m3 666 m3 A steam radiator has saturated water vapor at 125 kPa flowing through it. Now the inlet and exit valves are closed, and 5 kg of the steam is sealed inside. After quite a while, the water is eventually cooled down to room temperature of 20C. (h) Determine the amount of heat transfer during the process in kJ (choose nearest value from below). Multiple Choice OKJ 10000 kJ 12500 kJ how An iron converts electrical energy to thermal energy using resistive heating, if the tron base has a surface temperature of 95 C with surface area of 100 cm2 much heat is lost per second from the Iron to the surrounding ait at 20C via convective heat transfer with a coefficient of to w in2.c Multiple Choice 25 W SW 75 W 10 W