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Explain the principle of natural ventilation.

Asked by Topperlearning User 4th June 2014, 1:23 PM
Answered by Expert
Answer:
The natural ventilation is based on the formation of convection currents in gases.  The air within the room gets hot due to various human activities.  The hot air being light rises up and passes out through ventilators.  To make up for this air, the cold air from outside flows into the room.
Answered by Expert 4th June 2014, 3:23 PM
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