Chemical Engineering Basics Mcqs

Q.  For infinite parallel planes having emissivities ε1 & ε2, the interchange factor for radiation from surface 1 to surface 2 is given by__________________?

a. (ε1 + ε2)/ε1.ε2
b. ε1.ε2/(ε1 + ε2 – ε1.ε2)
c. ε1.ε2
d. ε1 + ε2


ANSWER: See Answer
 
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