Problem

A 3-cm-long, 2 mm × 2 mm rectangular cross-section aluminum fin (k = 237 W/m•ºC) is attach...

A 3-cm-long, 2 mm × 2 mm rectangular cross-section aluminum fin (k = 237 W/m•ºC) is attached to a surface. If the fin efficiency is 65 percent, the effectiveness of this single fin is

(a) 39

(b) 30

(c) 24

(d) 18

(e) 7

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Solutions For Problems in Chapter 3

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A 3-cm-long, 2 mm × 2 mm rectangular cross-section aluminum fin (k = 237 W/m•ºC) is attach...

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