【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
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答案
D
解析
暂无解析
相关试题
【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
【单选题】
自动刹车预位的条件是：___
A. A绿系统有压力，防滞系统有电，正常刹车系统无故障，选择一个减速率
B. B绿系统有压力，防滞系统有电，备用刹车系统无故障，选择一个减速率
C. C黄系统有压力，防滞系统有电，选择一个减速率
D. D黄系统有压力，防滞系统有电，正常刹车系统无故障，选择一个减速率
【单选题】
刹车方式包括：___
A. A正常有或无防滞，备用无防滞，停留刹车
B. B正常有防滞，备用无防滞，停留刹车，自动刹车
C. C正常或备用有防滞，备用无防滞，停留刹车
D. D正常刹车，备用刹车，自动刹车，防滞刹车，停留刹车
【单选题】
起落架的位置由谁指示：___
A. A中央仪表板上的一个面板，ECAM或目视检查窗
B. B中央仪表板及顶板上的一个面板
C. C只由ECAM
D. D中央仪表板上的一个面板及ECAM
【单选题】
在何时可通过手轮进行前轮control：___
A. A飞机在地面，速度低于80KT，双发工作，牵引杆在正常位
B. B地面或空中，速度低于80KT，双发工作，牵引杆在正常位
C. C飞机在地面，速度低于80KT，单发工作，牵引杆在正常位
D. D飞机在地面，速度低于80KT，单发或双发，牵引杆在正常位
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