对于CRJ 900飞机,当人工释放起落架,前起落架上位锁人工释放作动筒释放依靠:On the CRJ900 aircraft, when the landing gear has been released manually, the nose landing gear uplock manual release actuator is released:
A. 液压系统2。 by hydraulic system 2
B. 液压系统3。 By hydraulic system 3
C. 电动。 Electrically
D. 液压系统1。 By hydraulic system 1
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在实施CDFA技术进近时,什么时候调整设置复飞高度?
A. MDA时
B. MDA+50英尺时
C. 在最后一个下降剖面顶点开始稳定下降后
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液压系统为 ( ) 操作提供动力。The hydraulic systems supply power to operate the()
A. 方向舵、升降舵、副翼 rudder, elevator, aileron
B. 方向舵、机轮刹车、配平 rudder, wheel brake, Trims
C. 反推、扰流副翼、偏航阻尼器 thrust reversers, spoilers and yaw damper
D. 升降舵、地面扰流板、配平 lift rudder, ground spoiler, Trims
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机翼前缘装有( ),用来探测机翼防冰管路或管路接头的故障。In the wing leading edges, ( )are used to detect the failure of a wing anti-ice duct or duct connector.
A. 双感应环路 dual-sensing loops
B. 双温度传感器 dual-temperature sensors
C. 双感应环路和双温度传感器 dual-sensing loops and dual-temperature sensors
D. 双压力传感器 dual-pressure transducers
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不包括任何驾驶员座位,多少座的客机要求有一名乘务员?
A. 1~19 座
B. 20~50 座
C. 51~70 座
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在飞行前,航空承运人内部由谁负责向机长提供可能影响本次飞行安全的的机场条件和导航设施不正常方面的情报?
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如果在发动机关车后,ITT 超过 ( )℃并急速上升,应立即冷转发动机以降低 ITT。If ITT rises over ()℃ and is increasing rapidly following engine-shutdown, carry out a dry motoring immediately to reduce ITT.
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低于( )N2稳定转速的滑行时间,可以作为 2 分钟的冷却时间。Taxi at a stable speed with ()N2 or below, this process can be counted as 2 minutes cooling time.
A. 70%
B. 75%
C. 80%
D. 85%
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不要过早地使用手轮来控制方向,原则上,待速度减到( )海里以下或正常滑行速度后再使用前轮转弯手柄脱离跑道,严禁利用余 速大速度脱离跑道。Don’t use tiller to control direction too early; principally, use the tiller to vacate from runway until speed reduced below()knots or at normal taxi speed, it’s forbidden to vacate from runway with remaining high speed.
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在CRJ900 飞机上,安装有( )个独立的偏航阻尼器,在飞行中可以连续运行,以提高飞机的方向稳定性和转弯协调。On the CRJ900 aircrafts, ( ) independent yaw dampers operate continuously in flight to improve the aircraft’s directional stability and turn coordination.
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