What is the necessity of pressurised cabins in aeroplanes?
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8
Explanation:
The air pressure in an aircraft(cabin pressure) is kept higher than the atmospheric pressure at high altitudes to avoid discomfort to passengers due to low outside air pressure.
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2
Answer:
Explanation:The air pressure in an aircraft(cabin pressure) is kept higher than the atmospheric pressure at high altitudes to avoid discomfort to passengers due to low outside air pressure
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