For calculation of heat transfer by natural convection from a horizont – McqOptions

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1.	For calculation of heat transfer by natural convection from a horizontal cylinder, what is the characteristic length in Grashof number?
A.	Diameter of the cylinder
B.	Length of the cylinder
C.	Circumference of the base of the cylinder
D.	Half the circumference of the base of the cylinder
Answer» B. Length of the cylinder

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