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1. |
Find the heat transfer rate from a hot surface for 6 fins of 10 cm length? The base temperature of the fin is maintained at 200 degree Celsius and the film is exposed to a convection environment at 15 degree Celsius with convective coefficient 25W/square m K. Each fin has cross-sectional area 2.5 square centimeter and is made of a material having thermal conductivity 250W/m K |
A. | 120.34W |
B. | 130.18W |
C. | 145.46W |
D. | 165.43W |
Answer» C. 145.46W | |