Question

3. Why are ventilators and exhaust fans kept at the top or ceiling level ?​

Answer 1

Answer:

ventilator are provided in the rooms at the top of the roofs because if the air inside the room get hot the hot the air and rises up and flows through these valtilartor and thus cool air remains at bottom. ....... this ventilator maintain convention current to keep the air fresh in the rooms

Explanation:

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