For infinite parallel planes with emissivities 0.4 and 0.2, the interc – McqOptions

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1.	For infinite parallel planes with emissivities 0.4 and 0.2, the interchange view factor for a radiation from surface 1 to surface 2 is about
A.	0.4
B.	0.6
C.	0.2
D.	0.15
Answer» E.

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