【单选题】
冲压空气涡轮可以在地面自动伸出吗？___
A. 能
B. 不能。
C.
D.
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答案
B
解析
暂无解析
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在空中当液压压力减小时,会如何______________
A. 优先valve优先供压给大负载用户
B. 优先valve优先供压给重要系统
C. 优先valve减少供给用户的压力
D.
【单选题】
在什么情况下冲压空气涡轮(RAT)自动放出且工作__________
A. 飞机在空中且AC1和AC2都断电
B. 飞机在空中且蓝系统电动泵故障时
C. 飞机在空中,速度大于100节且AC1和AC2都断电
D.
【单选题】
在发动机运转的情况下把发动机驱动泵(EDP)的按钮松出,会___________
A. 发动机驱动泵停止运转
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【单选题】
手册中出现“DEPRESSURIZEXXHYDRULICSYSTEM”指的是_________
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D.
【单选题】
对于油箱人工释压valve的说法正确的是___________
A. 每个液压勤务面板上各有一个
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D.
【单选题】
如果把PTU电门放在“OFF”位，下面哪种说法是正确的（）___
A. 1个电磁valve断电，valve关
B. 1个电磁valve通电，valve关
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【单选题】
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