The Dietus-Boelter equation for convective leat transfer`[ ( i.e.) h = 0.023 k/D (Re)^0.8 (Pr)^0.4]` cannot be used for Options: A . &nbsplow Reynold's number B . &nbspvery low Grashoff number C . &nbspmolten metals D . &nbspall (a), (b) and (c)

The Dietus-Boelter equ

Question

The Dietus-Boelter equation for convective leat transfer`[ ( i.e.) h = 0.023 k/D (Re)^0.8 (Pr)^0.4]`

cannot be used for

Options:

A . low Reynold's number

B . very low Grashoff number

C . molten metals

D . all (a), (b) and (c)

Answer: Option D

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