×
单选题
430.再循环活门的功能是( )What is the function of the recirculation valve?
A
当两台组件都不工作时,切断供向电子设备的混合空气 When the two Packs are not at work, cut off the mixed air supplied to the avionics equipment
B
当两台组件都不工作时,使电子设备有足够的通风 When the two packs are not working, make the electronic device has sufficient ventilation
C
当两台组件都不工作时,切断供向电子设备的再循环空气 When the two packs are not working, make the avionics equipment has sufficient ventilation
答案解析
正确答案：B
解析：
再循环活门的功能是( )
答案: B
解析: 再循环活门的主要功能是当两台组件（通常指空调组件）都不工作时，确保电子设备有足够的通风。选项 B 正确地描述了这一功能，即在两台组件不工作时，通过再循环活门来提供足够的通风。
题目纠错
相关题目
单选题
272.APU燃油流量信号作用是( )What is the Fuel Flow signal used for ?
单选题
271.空地交换的数据由( )管理 which one manages the data for air-ground exchange
单选题
270.”ATC MSG”指示灯的颜色 the color of “ATC MSG”indicator
单选题
269.CNS/ATM包括那些内容 CNS/ATM includes:
单选题
268.怎样监控厕所系统 ( ) How to monitor the toilet system?
单选题
267.废水污物是怎样被输送到污水箱内的( ) How is the waste material transported to the Waste Holding tank ?
单选题
266.真空发生器何时运转( ) When dose the vacuum generator run?
单选题
265.饮用水箱是由经过滤的空气增压的,飞机在地面时可由什么增压? ( )potable water tank is pressurized by air filtration,From which sources are the water tanks normally pressurized on ground?
单选题
264.污水量被显示在何处( ) Where is the waste quantity indication located ?
单选题
263.飞机上装有几个厕所勤务面板( ) how many Lavatory service panel is equipped with the plane ?
