Question

In a cylindrical furnace of diameter 2 m and height 1 m, the base and the top having emissivities 0.4 and 0.8 respectively are maintained at 700 k and 500 k, while the lateral surface approximating a black body is maintained at 400 k. the net rate of radiation heat transfer (in kw) from the top surface at steady state operation is __________.

Answer 1

pata nahi kya hoga

bhagwaan hi jaane

waise ye kaha pr h

question

Answer 2

Answer:

Explanation:

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