(多项选择)从下表中选出2个与空气驱动发电机操作相关的控制。（multiple-choice）From the list below select 2 controls related to ADG operation.

PWR TXFR（电源转换）按钮 PWR TXFR pushbutton

主电瓶电门 BATTERY MASTER switch

APU 发电机电门 APU GEN switch

AC ESS XFER（交流电重要转换）电门 AC ESS XFER switchlight

重要连接条电门 ESS TIE switchlight

空气驱动发电机面板上的手柄 Handle on ADG panel

正确答案：AF

飞机试题CRJ900题库练习

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在初始落地（接地）过程中，最大压差不能超过( )。During initial landing (at touchdown), the maximum differential pressure must not exceed ( ).

起飞和着陆的最大机场气压高度，最大操作高度是？Maximum airport pressure altitude for take-off and landing, and maximum operating altitude are?

CRJ900单空调组件操作的最大高度是：The maximum altitude for single pack operation in a CRJ 900 is:

最大负压差是：Maximum negative differential pressure control is:

判断正误True or False：打开飞机任一舱门前，必须确认飞机完全释压。The airplane must be completely depressurized prior to opening any of the airplane doors.

地面机动操作过程中，压差不得超过( ).During ground maneuvering, the pressure differential must not exceed ( ).

CRJ900经批准的起飞和着陆最低外界温度限制为___。For CRJ900，the certified minimum ambient temperature for takeoff and landing is___.

CRJ900飞机的最大无燃油重量是（）kg。The maximum ZFW weight for CRJ900 aircraft is ( )kg.

CRJ900飞机最大落地结构重量限制是___?The Structural weight limitation forlandingof CRJ900 is___.

CRJ900经批准的起飞和着陆最高外界温度限制为___。For CRJ900，the certified maximum ambient temperature for takeoff and landing is___.