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1. |
A 3 cm long, 2 mm × 2 mm rectangular cross-section aluminium fin [k = 237 W/m°c] is attached to a surface. If the fin efficiency is 65%, the effectiveness of this single fin is: |
A. | 30 |
B. | 24 |
C. | 8 |
D. | 39 |
Answer» E. | |