A hot steel sphere of diameter 40mm is immersed in oil. If the heat transfer coefficient between the sphere and oil is 300 W/m2K, then Biot Number is [Take Ksteel = 50 W/mK and Koil = 0.2 W/mK]
1
0.04
2
0.12
3
10
4
0.24
A hot steel sphere of diameter 40mm is immersed in oil. If the heat transfer coefficient between the sphere and oil is 300 W/m2K, then Biot Number is [Take Ksteel = 50 W/mK and Koil = 0.2 W/mK]