NV C-37 Solar Practice Questions - Nevada C-37 Solar Contractor Examination Exam

A selective absorber coating on a glazed C-37 collector is used for which reason?

To increase electrical conversion efficiency To absorb a large fraction of solar radiation while emitting little long-wave infrared, cutting thermal losses To make the collector legal as a swimming-pool cover To replace the need for pipe insulation

Correct Answer:

To absorb a large fraction of solar radiation while emitting little long-wave infrared, cutting thermal losses

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