📊 Environmental Engineering
Q. Which of the following shading device will transmit least leat inside a room?
  • (A) Plain glass sheet 3 mm thick
  • (B) Plain glass sheet with wire mesh outside
  • (C) Plain glass sheet with Venetion blind inside
  • (D) Plain glass with curtain inside
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✅ Correct Answer: (D) Plain glass with curtain inside

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