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Extended heat transfer surface like fins are used to increase the heat transfer rate. Fin efficiency is defined as the ratio of heat transferred across the fin surface to the theoretical heat transfer across an equal area held at the | |
A. | surrounding temperature. [Wrong Answer] |
B. | average temperature of the fin. [Wrong Answer] |
C. | temperature of the fin end. [Wrong Answer] |
D. | constant temperature equal to that of the base [Correct Answer] |