chimneys work on the principle of _______
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Chimneys operate on the principle that hot air rises because it is less dense than cold air. When a chimney is filled with hot gas, that gas tends to rise because it is less dense than the air outside the house. ... Heat: the hotter the gases in the chimney compared to the air outside, the stronger the draft.
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that hot air rises because it is less dense than cold air. ... The rising hot gas creates a pressure difference called draft which draws combustion air into the appliance and expels the exhaust gas outside. Two factors affect the amount of draft produced by a chimney.tion:
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