1.

A heat treat steel plate measures 3 m by 1 m and is initially at 30 degree Celsius. It is cooled by blowing air parallel to 1 m edge at 9 km/hr. If the air is at 10 degree Celsius. Estimate the convection heat transfer from both sides of the plate

A. 477.7 W
B. 547.7 W
C. 647.7 W
D. 747.6 W
Answer» E.


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