【单选题】
检查刹车储压器的预充压力___
A. 需释放系统压力
B. 需释放油箱压力
C. 需使用气压表进行测量
D. 以上都需要
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答案
A
解析
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相关试题
【单选题】
前起落架后部上方有一个小孔，我们在维护时使用它主要是___
A. 用于检查减震支柱的油量
B. 用于检查减震支柱的镜面磨损情况
C. 拆卸内筒时用于接近内部紧固件
D. 用于对前起落架内外筒之间的轴承进行润滑
【单选题】
以下描述哪个正确？___
A. LGCIU1控制起落架收上。
B. LGCIU2控制起落架放下。
C. 每个LGCIU控制一个完整的收放循环，并自动转换。
D. LGCIU1和2同时控制一个完整的收放循环。
【单选题】
安全活门的作用：___
A. 空速大于280节时，自动切断到起落架的供油路。
B. 空速大于280节时，自动切断到起落架的回油路.
C. 空速小于280节时，自动切断到起落架的供油路。
D. 空速小于280节时，自动切断到起落架的回油路。
【单选题】
主起落架提升机构的作用是什么？___
A. 在放出起落架的时候提升外筒以节省轮舱空间
B. 在收起起落架的时候提升外筒以节省轮舱空间
C. 在放出起落架的时候提升内筒以节省轮舱空间
D. 在收起起落架的时候提升内筒以节省轮舱空间
【单选题】
主起落架俯仰配平器的作用是什么？___
A. 在放出起落架时使起落架小车倾斜
B. 在收起起落架时使起落架小车倾斜，以配合轮舱空间
C. 在放出起落架时使起落架小车摆正
D. 在收起起落架时使起落架小车摆正，以配合轮舱空间
【单选题】
在起落架重力放出过程中，将起落架以及门的绿系统液压全部通回油的部件是？___
A. CUTOFF VALVE
B. VENT VALVE
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【单选题】
自动刹车时，什么时候“DECEL”灯亮？___
A. 当按入AUTO BRAKE按钮时。
B. 当AUTO BRAKE按钮为“OFF”时。
C. 当飞机达到所需的减速度时。
D. 自动刹车失效时。
【单选题】
下列关于起落架收放的叙述正确的是___
A. 起落架收放可以由绿系统或黄系统提供液压动力
B. LGCIU控制起落架的正常收放
C. 液压切断活门是由起落架控制手柄控制开关的
D. 起落架控制手柄通过钢索作动液压选择活门
【单选题】
下列关于起落架收放叙述正确的是___
A. 只要探测到前起落架减震支柱伸出并对中就可以收上起落架
B. 放下起落架时,当最后一个起落架舱门关闭后,才取消起落架放下指令
C. 通过作动重力放下手柄打开各上锁机构就可以人工重力放下起落架
D. 起落架及其舱门的位置信号是通过临近电门提供的
【单选题】
地面闭合起落架舱门___
A. 接通黄液压系统电动泵并关断PTU
B. 在作动地面维护手柄时液压系统会自动接通
C. 由于起落架不会作动,无须安装起落架销
D. 以上答案都不正确
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