A300

?8523.How is the cabin pressure of a pressurized aircraft usually controlled?

发布于 2021-02-18 22:11:26

【单选题】
A ?By a pressure-sensitive switch that causes the pressurization pump to turn on or off as required.
B ?By an automatic outflow valve that dumps all the pressure in excess of the amount for which it is set.
C ?By a pressure-sensitive valve that controls the output pressure of the pressurization pump.

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tomding 2023-02-18

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