AA flat electrical heater of 0.5 m x [03.53 6m6 iWs lpmla2c.Ke]d vertically in still air at 20°C. The heat generated is 1200 W/m2 Determine the value of natural convection coefficient and average temperature of the plate. B. A vertical pipe of 10 cm [d3ia3m.02et eWr lamn2d.K, 3 m56 l.e5n°gC]th at a surface temperature of 100°C, is in a room where the air is at 20°C. What is the rate of heat loss per unit length of the pipe?
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