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Density of Hot and Cold Air

Ventilators a...

Question

Ventilators are made close of the ceiling.

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Solution

Ventilators are made close to the ceiling to let out the hot and stale air from a room. When a room gets heated up, hot air, being light, rises upwards and escapes through the ventilators into the surroundings, while fresh air enters through the windows and doors of the room.

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