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A thin, flat & square plate measuring 2 m x 2 m is freely hanging in ambient air at 25°C. It is exposed to the solar radiation falling on one side of the plate at the rate of 500 W/m2 . The plate temperature will remain constant at 30°C, if the convective heat transfer co-efficient is __________ W/m2 °C. | |
A. | 50 [Wrong Answer] |
B. | 100 [Correct Answer] |
C. | 150 [Wrong Answer] |
D. | 200 [Wrong Answer] |