Question

why should the smoke chimneys of industries to be built high?​

Answer 1

Answer:

smokestack, stack, orchimney is a tall vertical pipe or channel used by power plants to exhaust combustion gases into the air. ... This technique is to build the stack very high, because wind speeds are greater at high elevations, and the dispersion of the gases results in less gas remaining in a given area.

Answer 2

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First, the bottom is hot and the top is cooler. The smoke moving upwards pulls new air into the combustion, and this can stabilize the burn process. ... The smoke is therefore diluted into the air, so only a small fraction hits people. The more smoke, the higher chimney.

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