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In a solar collector, the function of the transparent cover is to : (a) Transmit solar radiation only (b) Protect the collector from dust (c) Decrease the heat loss from collector beneath to atmosphere (d) Absorb all types of radiation and protect the collector from dust |
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Answer» (c) Decrease the heat loss from collector beneath to atmosphere The purpose of transparent cover is to transmit the shorter wavelength solar radiation but block longer wavelength reradiation from the absorber plate and to reduce the heat loss by convection from top of the absorber plate. |
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