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Q. |
The thermal radiative flux from a surface of emissivity = 0.4 is 22.68 kW/m2 . The approximate surface temperature (K) is (Stefan-Boltzmann constant = 5.67 × 10-8 W/m2 .K4 ) |
A. | 1000 |
B. | 727 |
C. | 800 |
D. | 1200 |
Answer» A. 1000 |
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