When the ratio of the Grashoff number and to the square of Reynolds nu – McqOptions

MCQOPTIONS

1.	When the ratio of the Grashoff number and to the square of Reynolds number is one, the dominant mechanism of heat transfer is _______________?
A.	Free convection
B.	Entry length problem in laminar forced conduction (developing thermal boundary layer)
C.	Mixed convection (both free and forced)
D.	Forced convection
Answer» D. Forced convection

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