452.前货舱的冷空气来自哪里( )Where from the cold air of the forward cargo compartment

　组件1 PACK1

　组件2 PACK2

　混合组件The mix unit

正确答案：B

解析：

前货舱的冷空气来自哪里？答案: B - 组件2 PACK2 解析: 在大多数商用飞机上，冷空气通常由组件或包装(PACKs)产生，然后分配到不同的区域，如客舱和货舱。题目中提到的PACK2指的是第二个空气循环组件，它可以产生冷空气并将其引导到前货舱以维持适当的温度。

题目纠错

A330机型熟悉课程试题

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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 ?

241.转弯手柄上的按钮有什么用?( )push-button which on the nose wheel steering lever function is?