判断正误True or False：如果探测到一个环路短路或断电，FIDEEX（火警探测）控制组件会自动转换成单环路探测，并且给 EICAS 发出信号，在 EICAS 主页面上显示一个 L/R FIRE FAIL（左/右火警探测失效）提示信息。If a loop short circuit or power failure is detected, FIDEEX (Fire Detection) control component automatically converts to a single loop probe and signals the EICAS, display an L/R FIRE FAIL on the EICAS main page (left/right fire detection)fail) prompt message.

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日常航空天气报告中，能见度电码“9999”表示的是

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当AC ESS ALTN 信息显示，表明：When the AC ESS ALTN message appears, it indicates:

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飞机试题CRJ900题库练习

飞机的总长度是多少 (CRJ 900)？What is the overall length of the aircraft (CRJ 900)?

A、 35.24 m

B、 36.24 m

C、 37.24 m

D、 38.24 m

答案：B

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相对湿度的大小表示

A. 空气中的水汽含量

B. 空气的饱和程度

C. 空气容纳水汽的能力

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当机翼和整流罩被激活并且APU为引气源时：When wing or cowl anti-ice is activated and the APU is the bleed source the:

A. APU负荷控制活门被命令关闭并且引气负荷转换到发动机上。APU LCV is commanded closed and bleed air loading is transferred to the engines

B. APU 将给整流罩和机翼防冰系统供气。 APU will feed both the cowl and wing anti-icing systems

C. 发动机给整流罩防冰供气并且APU给机翼防冰供气。 engines feed the cowl anti-icing and the APU feeds the wing anti-icing

D. APU 给整流罩防冰供气并且发动机给机翼防冰供气。 APU feeds the cowl anti-icing and the engines feed the wing anti-icing

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下列哪些由2号液压系统提供动力： Which of the following are powered by hydraulic system 2：

A. 外侧多功能扰流板、起落架、外侧刹车 Outboard multifunction spoiler panels、landing gear、Outboard brakes

B. 外侧刹车、升降舵、内侧多功能扰流板Outboard brakes、elevators、Inboard multifunction spoiler panels

C. 右发反推、外侧多功能扰流板、外侧地面扰流板 Right thrust reverser、Outboard multifunction spoiler panels、Outboard ground spoilers

D. 方向舵、前轮转弯、起落架 Rudder、nosewheel steering、landing gear

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判断正误True or false: IRS 通常以导航方式操作。The IRS normally operates in navigation mode

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CONFIG AILERON 警告信息 (红色)含义是？

A. 形态副翼

B. 形态 AP

C. 形态方向舵

D. 形态襟翼

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跟Skydrol ® 特种液压油有关的危害是什么？What are the dangers associated with Skydrol ® hydraulic fluid?

A. Skydrol ®不能让系统压力保持在3000psi以上。Skydrol ® will not maintain system pressure above 3000 psi.

B. Skydrol ®是极度易燃的。Skydrol ® is highly flammable.

C. Skydrol ®是腐蚀性的以及会引发严重的皮肤和眼睛刺激。Skydrol ® is corrosive and can cause severe skin and eye irritation.

D. Skydrol ® 引发的烟雾若吸入则会导致心血管方面的危害。Fumes from Skydrol ® fluid will cause cardiovascular distress if inhaled.

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发动机在 V1 或 V1 后失效首先会出现什么现象？ What＇s the first phenomenon when engine failure at/after V1 ?

A. 偏航 yaw

B. 横滚 roll

C. 抬头 pitch up

D. 低头 pitch down

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日常航空天气报告中，能见度电码“9999”表示的是

A. 能见度≥10 千米

B. 能见度大于 10 千米

C. 能见度为 9999 米

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当AC ESS ALTN 信息显示，表明：When the AC ESS ALTN message appears, it indicates:

A. AC重要汇流条由AC Bus 1供电。AC essential is being powered by AC Bus 1

B. AC重要汇流条由ADG Bus 供电。AC essential is being powered by ADG Bus

C. AC重要汇流条不通电。AC essential is not powered

D. AC重要汇流条由AC Bus 2供电。AC essential is being powered by AC Bus 2

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