The heat transfer by radiation from a mild steel surface is to be redu – McqOptions

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1.	The heat transfer by radiation from a mild steel surface is to be reduced by reducing the emissivity of the surface. This can be best achieved by__________________?
A.	Painting the surface black
B.	Painting the surface white (with aluminium paint)
C.	Giving the surface a mirror finish
D.	Roughening the surface
Answer» C. Giving the surface a mirror finish

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