1.

Air at 20°C blows over a plate of 50 cm × 75 cm maintained at 250°C. If the convection heat transfer coefficient is 25 W/m2°C, the heat transfer rate is

A. 2.156 kW
B. 2156 kW
C. 215.6 kW
D. 21.56 kW
Answer» B. 2156 kW


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