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Heat Transfer Miscellaneous
  1. The heat loss from a fin is 6 W. The effectiveness and efficiency of the fin are 3 and 0.75 respectively. The heat loss (in W) from the fin, keeping the entire fin surface at base temperature is _____.
    1. 10 W
    2. 8 W
    3. 18 W
    4. 16 W
Correct Option: B

ηfin =
qactual
qmaximum possible

qmax =
6
 = 8 W
0.75


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