The Thermal Radiative Flux from a Surface of Emissivity =

question 31

Multiple Choice

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

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