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CSS Solved Papers
Physics Chemistry

Engineering :: Renewable Sources of Energy


  Glass is the most favoured material for the transparent covers to be used in flat-plate collectors. The usual practice is to have 1 or 2 covers with spacings in the range of
[A]. 0.2 - 0.4 CM[B]. 5 - 10 cm
[C]. 1.5 - 3 cm[D]. 15-20 cm

Answer: Option C


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