Consider a storage tank used in systems for water heating through absorption of
ID: 2281977 • Letter: C
Question
Consider a storage tank used in systems for water heating through absorption of solar radiation. How should the surface of the tank be treated, so that the tank becomes abetter absorber of thermal radiation in the visible range?
The surface should be painted in white color.
The surface should be painted in black color.
The surface should be polished till it looks shiny.
The surface should be covered with transparent plastic.
The surface should be painted in white color.
The surface should be painted in black color.
The surface should be polished till it looks shiny.
The surface should be covered with transparent plastic.
Explanation / Answer
The surface should be painted in black color.
as Solar radiation received at the surface is absorbed effectively by
the blacken surface and heat is transferred to the water in the
basin.