Physics · Pneumatics & Thermodynamics
Inside the cabin of a commercial passenger airplane flying at high altitude:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Near-normal atmospheric pressure is artificially maintained using air pumps and compressors.✓
- 2Pressure is identical to the very low outside atmospheric pressure.
- 3A complete vacuum is maintained.
- 4Cabin pressure is kept significantly lower than outside pressure.
Correct answer
Near-normal atmospheric pressure is artificially maintained using air pumps and compressors.
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