A sphere of radius R1 is enclosed in a sphere of radius R2. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is ________________?

A. (R1/R2)2

B. R2/(R1+R2)

C. 0

D. 1

Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.