For what value of Prandtl number, the Col-burn analogy is valid ?
A. 0.06 to 120
B. 0.6 to 120
C. 1 to 103
D. 1 to 50
A. 0.06 to 120
B. 0.6 to 120
C. 1 to 103
D. 1 to 50