The thermal radiative flux from a surface of emissivity = 0.4 is 22.68 – McqOptions

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1.	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» B. 727

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