Q20
The thermal radiative flux from a surface of emissivity = 0.4 is 22.68 kW/m2. The approximate surface temperature (K) is (Stefan-Boltzman constant = 5.67 × 10-8 W/m2.K4)
A.
1000
AnswerB.
727
C.
800
D.
1200
Answer: Option A
Solution
Answer: Option A
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