单选题主飞行控制功能(PFCF)有几种工作模式？ How many operating modes does the primary flight control function (PFCF) have?

A、 1

B、 2

C、 3

D、 4

查看答案

由4l***4k提供分享举报纠错

相关试题

单选题飞机站位（STATION）定义，0站位的定义是？The definition of aircraft station, Station 0 is defined as:

A、飞机雷达罩前方55.8米55.8 meter forward of Radome

B、飞机雷达罩前方55.8英尺 55.8 feet forward of Radome

C、飞机雷达罩前方55.8英寸55.8 inch forward of Radome

D、飞机雷达罩前方45.8英寸 45.8 inch forward of Radome

查看答案

单选题飞机上光纤线的颜色是？What is the color of the fiber on the plane?

A、红色Red

B、紫色Purple

C、绿色Green

D、黄色 Yellow

查看答案

单选题客舱空气压缩机CAC的防喘控制措施有哪些？What are the anti surge control measures for cabin air compressor CAC?

A、AHV增热活门(add heat valve)

B、可变扩散器(variable diffuser)

C、控制CAC转速也可以防喘Controlling CAC speed can also prevent surge

D、以上都是Both of All

查看答案

单选题 B787飞机的空调热空气来自于____The air conditioning hot air of B787 aircraft comes from____

A、由CAC供气Supplied by CAC

B、由APU供气Supplied by APU

C、由发动机供气Supplied by Engine

D、以上都是Both of All

查看答案

单选题什么部件给空调系统的冷凝器（condenser ）防冰What parts prevent the condenser of air conditioning system from icing

A、ACM旁通活门air cycle machine bypass valve (ABV)

B、经济冷却活门economy cooling valve (ECV)

C、低限活门low limit valve (LLV)

D、小型混合器Compact mixer

查看答案

单选题 RAM FAN冲压进气风扇_____

A、每个空调组件有2个2 per AC PACK

B、每个空调组件有1个1 per AC PACK

C、主要通过CMSC来控制风扇转速The FAN speed is controlled by CMSC

D、PCU直接控制风扇转速The FAN speed is controlled by PCU

查看答案

单选题飞机上回流线（接地线）CRN的颜色是？What is the color of the CRN on the plane?

A、红色Red

B、紫色Purple

C、绿色Green

D、黄色 Yellow

查看答案

单选题飞机机身区域划分中，300指的是哪个区域？In aircraft fuselage area division, which area does 300 refer to?

A、机尾区域Empennage Section

B、左机翼区域Left Wing

C、门区域Doors

D、右机翼区域Right Wing

查看答案

单选题 主飞行控制功能(PFCF)有几种工作模式？ How many operating modes does the primary flight control function (PFCF) have?

单选题主飞行控制功能(PFCF)有几种工作模式？ How many operating modes does the primary flight control function (PFCF) have?