451.空调系统的空气来自哪里( )Where from the air of the air conditioning system

　只来自发动机From engine only

　只来自APUFrom APU only

　来自引气系统From the pneumatic system

正确答案：C

解析：

空调系统的空气来自哪里？答案: C - 来自引气系统解析: 空调系统需要大量的空气来进行空气循环和调节飞机内部温度。在飞机上，引气系统可以从外部环境中获取空气，然后通过处理和调节，将其用于各种系统，包括空调系统。因此，来自引气系统的空气是供应空调系统的来源。

题目纠错

A330机型熟悉课程试题

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251.更换主LG的PITCH TRIMER后哪些测试是不需要的?( ) The replacement of the main LG PITCH TRIMER which test is not required?

250.在自由放出起落架时哪些起落架会放出( ) In the free release gear which gear will release

249.LG的临近电门由PSCU监控吗?( ) LG approaching switch is monitored by PSCU?

248.下面哪个值最接近主轮冲气压力( )( ) Which of the following values closest to the main wheel flushing air pressure

247.当机轮温度过高时有什么警告?( ) When the wheel when the temperature is too high to have what warning?

246.机轮风扇如何工作?( ) How to machine wheel fan?

245.机轮冷却风扇何时可以工作?( ) Wheel cooling fan when can it work?

244.重力释放时,”CUT OUT “作用( ) Gravity is released, “CUT OUT” function

243.当正常系统故障,BSCU如何启动备用刹车系统?( )When the normal fault, how BSCU start alternate brake system?

242.刹车系统的蓝系统压力是靠哪个活门隔离的?( )which valve can isolate brake pressure of Blue system system ?