【单选题】
哪个液压系统供应起落架正常工作:___
A. A.绿系统
B. B.蓝系统
C. C.黄系统
D. D.绿系统和蓝系统
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答案
A
解析
暂无解析
相关试题
【单选题】
当起落架控制手柄提置UP位时:___
A. A．液压系统首先作动打开起落架下锁机构
B. B．LGCIU控制安全valve打开
C. C．两个LGCIU进行控制转换
D. D．前轮自动定中
【单选题】
当转动重力放起落架曲柄时___
A. A.液压安全valve被关断
B. B.务必将起落架控制手柄选择于放下位
C. C.会机械给相应舱门和起落架的上锁机构开锁
D. D.专门的动力组件放下舱门和起落架
【单选题】
地面打开起落架舱门___
A. A．务必关断绿液压系统
B. B．是通过机械开锁,舱门依靠重力打开的
C. C．是通过位于液压勤务舱内的电门进行的
D. D．必须接通飞机电源
【单选题】
对于自动刹车,下列说明不正确的是___
A. A．只能由绿系统提供液压动力
B. B．一旦实施自动刹车,将无法进行人工超控
C. C．自动刹车所控制的减速率是指飞机的减速率
D. D．预位后,只有在地面减速板放出后才进行
【单选题】
若下ECAM系统WHEEL页面起落架位置显示出现一个绿色的三角和琥珀色的XX，且起落架指示面板无指示,则说明___
A. A．起落架实际位置和控制手柄位置不一致
B. B．两个LGCIU的信号输出不一致
C. C．LGCIU1或其信号输出线路发生故障
D. D．LGCIU2或其信号输出线路发生故障
【单选题】
实施无防滞功能的备用刹车时___
A. A．只能由刹车储压器提供刹车压力
B. B．将无法调节刹车压力的大小
C. C．仅由刹车储压器提供刹车压力时,回油被关断
D. D．只能提供7次刹车
【单选题】
正常收放起落架时，下列关于起落架上锁机构叙述正确的是___
A. A．液压开锁,液压锁定
B. B．液压开锁,机械锁定
C. C．机械开锁,液压锁定
D. D．机械开锁,机械锁定
【单选题】
下列关于起落架收放系统的叙述正确的是___
A. A．起落架收放可以由绿系统或黄系统提供液压动力
B. B．LGCIU控制起落架的正常收放
C. C．CUT-OUTvalve是由起落架控制手柄控制开关的
D. D．起落架控制手柄通过钢索作动液压选择valve
【单选题】
下列关于起落架收放叙述正确的是___
A. 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. 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. 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. 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】
下列关于前轮转弯说明正确的是___
A. A.任何情况下,转弯控制手轮都可以提供左右74度的转弯能力
B. B.转弯控制手轮的输入信号优先于方向舵脚蹬的输入
C. C.两个转弯控制手轮的输入信号是代数相加的
D. D．转弯控制手轮通过钢索连接到前起落架
【单选题】
下列关于刹车系统部件功能叙述正确的是___
A. A．刹车选择valve(SELECTVALVE)是一个纯机械valve,用以隔离绿/黄刹车系统
B. B．正常刹车系统压力传感器提供驾驶舱刹车压力指示
C. C．刹车储压器仅能用于停留刹车
D. D．备用刹车伺服valve响应BSCU防滞指令调节刹车压力
【单选题】
下列关于停留刹车的叙述正确的是___
A. A.若绿系统正常,将无法进行停留刹车
B. B.停留刹车时,回油由停留刹车作动valve关断
C. C.停留刹车时,踩压刹车脚蹬将转换为备用刹车
D. D.可以在驾驶舱的三针指示器上观察到停留刹车压力的大小
【单选题】
下列哪种情况可以进行正常刹车___
A. A．绿系统工作正常,BSCU工作正常
B. B．由刹车储压器提供刹车压力
C. C．A/SKID&N/WSTRG电门关断
D. D．停留刹车电门位于ON位
【单选题】
下列有关刹车系统回油的叙述正确的是___
A. A.只有在实施停留刹车时,才关断回油
B. B.只有刹车储压器供压时,才关断回油
C. C.回油的关断是备用伺服valve执行的
D. D.回油的关断是自动选择器执行的
【单选题】
起落架可由谁放出：___
A. A绿液压系统或机械重力放出
B. B绿液压系统或黄液压系统备用放出
C. C绿液压系统用于开锁和重力放出，黄液压系统用于放下锁定
D. D蓝液压系统或机械重力放出
【单选题】
在哪种情况下，起落架指示面板上UNLK灯亮？___
A. A起落架在所选位置未锁定
B. B起落架重力放出，舱门未关闭
C. C起落架正常放出，舱门未锁定
D. D起落架放下锁好
【单选题】
什么时候UNLK（未锁定）灯亮？___
A. A当一个起落架和相应舱门未收上锁定
B. B当一个起落架未放下锁定
C. C当一个起落架未在选择的位置锁定
D. D当一个起落架在选择的位置锁定
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