A vertical tube of Im length is exposed to atmospheric steam. The mass of steam condensed per hour is 125 kg/h, calculate tube diameter ? the wall temperature is 70 °C) h = 0.725 ki prer-Pug1 IN D.(T.-TW) Te = (Th+TW) =? Tw=70 C' T. -1 atm satureted vapur Tu=100 °C 1 =? Kj/kg PMA Pus RT =? kg/m2 T:=? C'de fluid properties TC kp (W/m°C) pi (kg/m) (kg/ms)*100 h = 0.725 11/4 = W/m²K mi = hAAT AT = (T) - TW) 125/36001 = h • Do. 1. (Th-TW) D.=? m