Three fins of equal length and diameter but made of aluminum, brass an – McqOptions

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1.	Three fins of equal length and diameter but made of aluminum, brass and cast iron are heated to 2000C at one end. If the fins dissipate heat to the surrounding air is 250C the temperature at the end will be least in case of ______
A.	Aluminum fin
B.	Brass fin
C.	Cast-iron fin
D.	Each fin have the same temperature at the free end
Answer» D. Each fin have the same temperature at the free end

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