Atmospheric air at 30 degree Celsius temperature and free stream velocity of 2.5

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Atmospheric air at 30 degree Celsius temperature and free stream velocity of 2.5 m/s flows along the length of a flat plate maintained at a uniform surface temperature of 90 degree Celsius. Let length = 100 cm, width = 50 cm and thickness = 2.5 cm. Thermal conductivity of the plate material is 25 W/m K, find heat lost by the plate

Options:

A . 155.88 W

B . 165.88 W

C . 175.88 W

D . 185.88 W

Answer: Option D
Answer: (d).185.88 W

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