【单选题】
CFM56-5B发动机FADEC地面电源控制电门位于（）___
A. 中央操作台上
B. 发动机控制面板上
C. 头顶勤务面板上
D. 人工起动面板上
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答案
C
解析
暂无解析
相关试题
【单选题】
CFM56-5B发动机处于停车状态，APU工作并供气给空调系统，此时若“IGNSTART”位被选择，则（）___
A. 组件流量控制valve自动关闭
B. 组件流量控制valve自动打开
C. 空调系统将不受影响
D. 发动机会起动，空调继续工作
【单选题】
CFM56-5B发动机冷转时，起动valve何时打开（）___
A. 选择到“CRANK”位时
B. 主电门打开“ON”时
C. “MANSTART”电门被按压时
D. 起动valve在冷转时不会打开
【单选题】
CFM56-5B发动机上的哪个valve确保供向燃油喷咀有足够的燃油（）___
A. 燃油计量valve
B. 增压和关断valve
C. 低压关断valve
D. 以上都不正确
【单选题】
CFM56-5B发动机试车，在慢车功率时可否打开风扇整流罩（）___
A. 不能，并且风扇整流罩下部锁扣必须锁死
B. 可以，但只能撑开一面的风扇整流罩
C. 可以，但必须使用两根撑杆支撑
D. 不能，但风扇整流罩下部锁扣可以不锁
【单选题】
CFM56-5B发动机运转时，关于连续点火选择的说法正确的是（）___
A. 人工转动点火选择器时，ECU不参与
B. 只有FADEC自动选择连续点火时，ECU才参与
C. 人工转动点火选择器和FADEC自动选择连续点火时，ECU都参与
D. 以上都不正确
【单选题】
CFM56-5B反推操作的条件是（）___
A. 油门杆位置
B. 油门杆位置+飞机在地面
C. 油门杆位置+飞机在地面+反推指示为绿色
D. 油门杆位置+飞机在地面+N2（发动机运转）
【单选题】
CFM56-5B燃油系统中的燃油回油valve（FRV）的位置电门输送什么信息到ECU（）___
A. V1和V2电磁线圈位置
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D. 以上都不正确
【单选题】
CFM56-5B燃油系统中回油valve（FRV）的作用是（）___
A. 发动机停车时释压燃油系统
B. 提供更佳的燃油过滤
C. 保持IDG滑油，发动机滑油和燃油温度在限定范围之内
D. 减少燃油的消耗量
【单选题】
EEC是怎样把v2500发动机参数传输给ECAM的()___
A. 直接传输
B. 通过EIU
C. 数字信号直接、模拟信号通过EIU
D. 上ECAM的主要参数直接传输、下ECAM的次要参数通过EIU
【单选题】
v2500发动机EEC通过控制什么valve来控制燃油HMS（热管理系统）()___
A. ACOC调节valve和燃油回油valve
B. ACOC调节valve、燃油回油valve和IDG的FCOC
C. 燃油回油valve
D. ACOC的调节valve和IDG的FCOC
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