125.Afterward booster pump of the APU working condition is:() 后APU增压泵工作的条件是( )

　FL250高度层以上 FL250 height above

　配平油箱加/抽油期间或前APU增压泵低压时 during Trim tanks refuel and defuel, or the APU forward pump low pressure

　A+B

正确答案：C

解析：

题目解析后APU增压泵工作的条件是APU增压泵的低压和配平油箱加/抽油期间。这是因为在配平油箱加/抽油过程中，需要增压泵来维持燃油流动。另外，当APU增压泵的压力较低时，也需要工作。因此，正确答案是C，即A+B，两者的条件都需要满足。

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A330机型熟悉课程试题

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