Extended surface are used to increase the rate of heat transfer. When – McqOptions

MCQOPTIONS

1.	Extended surface are used to increase the rate of heat transfer. When the convective heat transfer coefficient h=mk, the addition of extended surface will:
A.	Increase the rate of heat transfer
B.	Decrease the rate of heat transfer
C.	Not increase the rate of heat transfer
D.	Increase the rate of heat transfer when the length of the fin is very large
Answer» D. Increase the rate of heat transfer when the length of the fin is very large

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