The thermal radiative flux from a surface of emissivity = 0.4 is 22.68 kW/m 2 . The approximate surface temperature (K) is (Stefan-Boltzman constant = 5.67xl0 -8 W/m 2 .K 4 )

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

1.	The thermal radiative flux from a surface of emissivity = 0.4 is 22.68 kW/m 2 . The approximate surface temperature (K) is (Stefan-Boltzman constant = 5.67xl0 -8 W/m 2 .K 4 )
A.	1000
B.	727
C.	800
D.	1200
Answer» B. 727

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The thermal radiative flux from a surface of emissivity = 0.4 is 22.68 kW/m 2 . The approximate surface temperature (K) is (Stefan-Boltzman constant = 5.67xl0 -8 W/m 2 .K 4 )

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