【单选题】
反推的放出起动条件是：___
A. A飞机在地面(左右主起落架减震支柱压缩)，油门杆位于慢车反推与最大反推之间，且对应的FADEC工作
B. B地面减速板预位且油门杆在反推位
C. C油门杆位于最大反推位
D. D自动刹车工作且油门杆在反推位
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相关试题
【单选题】
反推由谁来驱动？___
A. A液压作动筒：绿系统用于左发，黄系统用于右发
B. B液压作动筒：左右发都由绿系统供压
C. C液压作动筒：蓝系统用于左发，黄系统用于右发
D. D气源作动筒
【单选题】
发动机反推动力来自:___
A. A.两台发动机都是蓝系统
B. B.ENG2绿系统,ENG1黄系统
C. C.ENG2黄系统,ENGl绿系统
D. D.ENG2蓝系统,ENGl绿系统
【单选题】
发动机的点火系统，不正确的说法是：___
A. A.自动起动前须预先通过MCDU选定A或B点火嘴
B. B.人工起动时FADEC将指令双点火
C. C.当N2等于43%时,点火自动关断
D. D.进行冷转前需拔出相应电路跳开关
【单选题】
下列何种情况会导致连续点火___
A. A.EIU故障
B. B.人工起动时
C. C.地面起动第一台发动机后，方式选择电门停留在IGN/START位，起动第二台发动机
D. D.自动起动时
【单选题】
对于V2500系列发动机，每台发动机有___
A. A一个点火嘴和十个燃油喷嘴
B. B一个点火嘴和十四个燃油喷嘴
C. C两个点火嘴和十八个燃油喷嘴
D. D两个点火嘴和二十个燃油喷嘴
【单选题】
对于V2500系列发动机，上ECAM的E/W显示的左上部显示哪几个参数？___
A. AN1,N2,EGT,FF
B. BN1,EPR,EGT,FF
C. CEPR,N2,EGT,FF
D. DEPR,N1,N2,EGT
【单选题】
对于V2500系列发动机，下ECAM发动机页面左部可显示哪些参数？___
A. A滑油温度，滑油压力，N2,振动指示
B. B滑油温度，已用燃油，FF，振动指示
C. C滑油压力，已用燃油，吊舱温度，FF
D. D滑油量，滑油压力，点火指示,吊舱温度
【单选题】
817.(A320)对于V2527－A5发动机,哪个说法正确?___
A. A.A．由6个轴承支撑高压和低压2个转子
B. B.B．80％的推力是由核心机产生的
C. C.C．是由FADEC提供控制的
D. D.D．以N1作为推力控制主参数
【单选题】
对于热交换管理系统?HMS?___
A. A.其由FCOC及燃油分配?回油valve构成，并由EEC控制
B. B.ACOC的空气调节valve只有两个位置，全开或全关
C. C.EEC以发动机滑油温度，IDG滑油温度，燃油温度作为其控制参数
D. D.尽可能地使用ACOC以避免燃油温度过高
【单选题】
发动机的点火系统___
A. A.自动起动前须预先通过MCDU选定A或B点火嘴
B. B.人工起动时FADEC将指令持续点火
C. C.当N2=43%时,点火自动关断
D. D.在进行干冷转前必需拔出相应电路跳开关以隔离点火
【单选题】
下列何种情况会导致持续点火___
A. A.EIU故障
B. B.人工起动时
C. C.地面起动第一台发动机后，方式选择电门停留在IGN?START位，起动第二台发动机
D. D.自动起动时
【单选题】
10. 下列关于发动机空气冷却系统说法正确的是：___
A. A.高/低压涡轮间隙控制的冷却空气是风扇空气
B. B.第10级压气机空气经空气冷却空气冷却器(ACAC)后对高压涡轮进行冷却
C. C.NO.4轴承腔的冷却空气为风扇空气
D. D.以上答案都不正确
【单选题】
NO.4轴承腔回油valve___
A. A.是由EEC通过电磁线圈控制的
B. B.随发动机转速的变化相应地控制valve开度的大小
C. C.高发动机功率下，valve完全关闭
D. D.滑油量<4QT时，valve关闭
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