Chemical Engineering Mcqs

The interchange factor for radiation heat transfer from surface ‘x’ to surface ‘y’ in case of an infinite parallel planes with emissivities εx & εy is given by_______________?

(A)  εx + εy

(B)  εx . εy

(C)  1/εx + 1/εy

(D)  (εx + εy)/( εx + εy – εx . εy)

Submitted By :Ali Uppal

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