So, when the cabin is sealed, the interior pressure is equal to the atmospheric pressure at sea level. When the plane lands, the exterior pressure is equal to the interior pressure. So why does the plane need to be pressurised for the duration of the trip?
In: Engineering
Because if it wasn’t pressurized, you’ll be sick, you will get high attitude symptoms, like headache, vomiting, heavy breathing, like if you were on the top of a mountain.
It can cause death for people suffering from other diseases as they are weak and need medical attention.
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