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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. | |