engineering recuitment Cochin Shipyard Executive Trainee Mechanical Mock Test Heat Transfer Convection Forced Convection
Heat is lost from 100 mm diameters steam pipe placed horizontally at 30°C. If nusselt number is 25 and thermal conductivity is 0.03 W/mK, then heat transfer coefficient is
1
7.5 W/m2K
2
16.2 W/m2K
3
25.2 W/m2K
4
30 W/m2K