Dittus-Boelter equation used for the determination of heat transfer co – McqOptions

MCQOPTIONS

1.	Dittus-Boelter equation used for the determination of heat transfer co-efficient is valid ___________________?
A.	For fluids in laminar flow
B.	For fluids in turbulent flow
C.	When Grashoff number is very important
D.	For liquid metals
Answer» C. When Grashoff number is very important

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