Engineering :: Renewable Sources of Energy

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Evacuated flat-plate collectors are better than non-evacuated ones at high operating temperatures because

[A].	convective heat losses from the top cover plate are greatly reduced	[B].	convective heat losses from the absorber plate are greatly reduced
[C].	conductive heat losses from the absorber plate are greatly reduced	[D].	radiative heat losses from the absorber plate are greatly reduced

Answer: Option A