更多"[单选题]再循环活门的功能是（ ）What is the func"的相关试题:
[单选题]在地面，当两个空调关断时，两个再循环活门什么状态，目的为了什么 ？
A.两个再循环活门关闭；提供客舱冷空气
B.两个再循环活门关闭；给电子舱设备提供足够的冷却空气
C.两个再循环活门打开；给电子舱设备提供足够的冷却空气
D.两个再循环活门打开；提供客舱冷空气
[单选题]渗漏测量活门的功用是
What function of measuring leakage valve is？（ ）
A.在飞行中发现渗漏时关断液压系统供油
The leakage was found in flight shutdown of hydraulic supply
B.在地面维护时关断液压系统供油
On the ground maintenance shutdown hydraulic supply
C.在空中和地面都能关断液压系统供油
Can shut off the hydraulic supply in flight and on the ground
[单选题]燃油再循环冷却系统中的回油活门何时关闭？
A.当发动机滑油温度高于93℃、发动机处于低燃油流量状态时
B.当内油箱油位到达满油位，中央油箱燃油泵停止工作时
C.当通气油箱内的溢流传感器感受到溢流信号时
D.当探测到发动机火警时
[单选题]当右侧再循环抑制出现时，哪个发动机燃油回油活门被关闭When the right recycling suppression occurs, which the engine fuel return valve is closed（ ）
A.1、2发动机燃油回油活门被关闭
1, 2 engine fuel return valve is closed
B.1发动机燃油回油活门被关闭
1 engine fuel oil return valve is closed
C.2发动机燃油回油活门被关闭
2 engine fuel oil return valve is closed
[单选题]737-800空调系统中备用温度控制活门除了有作为温度控制活门的备份功能外，另外一个功能是？
A.防止冷凝器结冰
B.防止涡轮结冰
C.防止水分离器结冰
D.防止再加热器结冰
[单选题]调温空气调压活门（配平空气压力调节活门）的功能是（ ）What is the function of the Trim Air Pressure Regulating Valve
A.调节热空气的压力，使管道下游压力低于客舱压力 Adjust the trim air pressure, the downstream pressure below the cabin pressure
B.调节热空气的压力，使管道下游压力高于客舱压力 Adjust the trim air pressure, the downstream pressure above the cabin pressure
C.调节冷空气的压力，使管道下游压力低于客舱压力Adjust the cold air pressure, the downstream pressure above the cabin pressure
[单选题]调温空气关断活门（配平空气关断活门）的功能是（ ）What is the function of the trim air shut-off valve
A.当管道过热时切断调温空气的供应 When overheat,cut off the trim air
B.当压力过高时切断调温空气的供应 When overpressure,cut off the trim air
C.当一个调温空气调压活门失效时，保持调温空气供向所有的管道In the event of a Trim Air Pressure Regulating Valve failed closed, the trim
air shut-off valve opens to restore trim air supply in the failed side.
[单选题]What's the function of CIDS.CIDS提供的功能有（ ）
A.Passenger call.旅客呼叫
B.The lavatory smoke warning.厕所烟雾警告
C.Both of them.以上全部
[单选题]APU的主要功能是（ ） What is the main function of the APU?
A.供气和供电 To produce pneumatic and electrical power.
B.供气和供给液压 To produce pneumatic and hydraulic power.
C.供电和供给液压 To produce electrical and hydraulic power.
[单选题]勤务内话功能用于（ ）
What's the function of servic interphone?
A.客舱服务员与地面人员以及地面人员之间的通讯
Between the cabin crew and ground staff and ground staff communication
B.驾驶员与服务员之间的通讯
Between the pilot and the attendant communication
C.驾驶舱与飞机上勤务内话插孔之间以及客舱站位与勤务内话插孔之间的通讯
Enables voice communications between the SERVICE INTERPHONE JACKS, the cockpit
and the cabin stations.
[单选题]C的主要功能是（ ） What is the main function of the FADEC ?
A.发动机排故 Engine trouble shooting
B.发动机控制 Engine control.
C.发动机状态监控 Engine condition monitoring.
[单选题]水活门和冲洗活门由谁监控?
A.真空系统控制器；
B.真空泵；
C.FCU
D.FAP
[简答题]稀油站油系统再循环有何作用?调整再循环时应注意什么?
[简答题]重油系统的再循环有何作用?调整再循环门时应注意什么?
[填空题]为了保护省煤器，锅炉都装有再循环管，当锅炉停止上水时，应（ ）循环管上的再循环门，使汽包与省煤器之间形成 （ ），以冷却省煤器。
