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飞机试题CRJ900题库练习
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单选题

我国青藏高原上空常有较强的飞机颠簸,其原因是

A
高原上空气稀薄,飞机升力很小
B
高原上地形复杂,热力乱流和动力乱流都很强
C
高原上容易形成地形波

答案解析

正确答案:B
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相关题目

单选题

判断正误True or False:在人工方式下,APU作为引气源时禁止选择机翼和整流罩防冰。Wing and/or cowl anti-ice selection is prohibited with the APU as a bleed source in manual mode.

单选题

当左引气区域的两个泄漏探测系统的探测通道同时发生故障时,将显示相应的( )警戒信息。Failure of both detection channels of the bleed air leak detection system in left bleed zone is indicated by the applicable ( ) caution message.

单选题

右整流罩防冰活门之前的引气管路漏气,将显示()警告信息。If the leakage occurs in the bleed ducting before the R cowl anti-icing valves, the appropriate ( ) warning message is displayed.

单选题

机翼防冰活门下游发生漏气(后设备舱、中央机身或机翼),防冰和泄漏探测控制器(AILC)将自动关闭机翼防冰活门并显示( )警告信息。If a leak occurs downstream of the wing anti-icing valve (aft equipment bay, center fuselage or wings), the AILC will automatically close both wing anti-icing valves and display the( )warning message.

单选题

引气泄漏探测系统分为5个区域,每个区域都可以通过关断活门进行隔离。它们是:The bleed air leak detection system is divided into five zones and each zone can be isolated by means of a shutoff valve. they are:

单选题

判断正误True or False:发动机引气活门位于发动机上,由其相应的ACSC电动控制,气源操作。The bleed valves are located on the engines and are pneumatically operated and electrically controlled by their associated ACSC.

单选题

发动机引气活门的压力调节功能将发动机的释放引气压力限制到( )±3psi。The pressure regulating function of the engine bleed valve limits the engine’s discharge pressure to ( ) ±3 psi.

单选题

引气泄露探测系统监控:The bleed air leak detection system monitors the ......

单选题

外接地面气源接口位于The external ground air connector is located

单选题

当引气电门选到MANUAL并且引气源选到APU时,打开机翼防冰将:With the bleed air switch selected to MANUAL and the bleed source selected to APU, turning wing anti ice on will:

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