Nusselt number/Biot number varies___________________?

1.	Nusselt number/Biot number varies___________________?
A.	Inversely with thermal conductivity
B.	Directly with heat transfer co-efficient
C.	Directly with thermal conductivity
D.	Inversely with the dimension of the solid
Answer» B. Directly with heat transfer co-efficient

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Nusselt number/Biot number varies___________________?

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