The Dietus-Boelter equation for convective leat transfer cannot be use

1.	The Dietus-Boelter equation for convective leat transfer cannot be used for
A.	low Reynold's number
B.	very low Grashoff number
C.	molten metals
D.	all (a), (b) and (c)
Answer» E.

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The Dietus-Boelter equation for convective leat transfer cannot be used for

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