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Why do passenger aircraft have pressurized cabins?
To allow passengers to breathe sufficient oxygen, needed to survive, even in high altitudes.
Why must airplane cabins be pressurized?
Because at altitudes above 10,000 feet there is not enough air for humans to breathe. Aircraft cabins are pressurised so that the internal pressure is equal to that at about 7,000 feet.
Why are airplaines pressurized?
Because the pilots, staff and passengers would pass out from lack of oxygen at the altitudes that aircraft fly best. Aircraft cabins are usually pressurized to 8,000 feet altitude equivalent. This also reduces passenger inner-ear discomfort.
What were the allies greatest achievements in World War 2?
The B-29 Superfortress (pressurized cabins and nuclear capability), Fleet Aircraft Carriers, and Atomic Weapons.
Why are submarines cabins pressurized?
To keep water from leaking in.
Why is an airplane cabin air pressurized?
At altitudes above 10,000 feet there is not enough air for humans to breathe. Aircraft cabins are pressurized so the pressure is equal to that at about 7,000 feet. Commercial airliners fly at altitudes up to 40,000 feet.
Why are airplane cabins pressurized?
Airplane cabins are pressurized because humans cannot breath at a very high elevation.Aircraft are pressurized to allow them to fly higher. Without pressurization, the amount of oxygen in the air would not be sufficient for humans to breathe.
Why are aircraft cabins pressurized to 8000ft and not 0ft?
The fuselage of most aircraft is not strong enough to withstand that pressure. The air pressure is very low at high altitudes, and if the inside pressure was set to 0 ft (an extremely high pressure), the fuselage would burst.
What was the breakthrough technology introduced by Boeing 307 stratoliner in 1940?
Pressurized Cabins
Why the aircraft is pressurised?
At 35,000 feet, a human would suffer severe oxygen starvation without a pressurized cabin. Also known as "death". A pressurized cabin in a commercial - or military - airliner is essential at high altitude.
What psi are airplanes cabins pressurized to?
The same pressure as on the ground. Actually they are pressurized to anywhere from 4,000 ft. to 8,900, feet depending on the size and type of aircraft that you're in. Anywhere below 11,000 ft. is considered safe by FAA standards - though the higher the pressurization (the lower to the ground level pressure) is preferable and easier on the brain and body. The actual PSI of the aircraft is generally somewhere between 5.5 and 8.9psi.
How are air craft cabins pressurized?
Pressure is created in the engines and/or APU as "bleed air" and enters the cabin.
