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A motor cycle cylinder consists of ten fins, each 150 mm outside diameter and 75 mm inside diameter. The average fin temperature is 500 degree Celsius and the surrounding air is at 20 degree Celsius temperature. Make calculations for the rate of heat dissipation from the cylinder fins by convection when motor cycle is stationary and convective coefficient is 6 W/m² K
Options:
A .  432.2 W
B .  532.2 W
C .  632.2 W
D .  763.2 W
Answer: Option D
Answer: (d).763.2 W

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