【单选题】
(B737ng)能够用地面电源给主电瓶充电的机型是？___
A. 737NG
B. 737-3/500
C. 都可以
D. 都不行
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答案
A
解析
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【单选题】
(B737ng)如采1号发电机失效,则: ___
A. 只有1号发电机汇流条供屯的前厨房断电.
B. 只有1号发电机汇流条供屯的后厨房断电.
C. 所有厨房电源都将断掉.
D. 以上说法都不对.
【单选题】
(B737ng)如果飞机左、右IDG和APU的发电机可用；2号交流转换汇流条发生短路，头顶板有那一些电源灯亮___
A. APU GEN OFF BUS和2号GEN OFF BUS
B. 2号SOURCE OFF加上选择A提到的灯
C. 2号TRANSFER BUS OFF加上选择A提到的灯
D. 以上提到的灯都会亮
【单选题】
(B737ng)使用地面电源起动APU后，P5-13板APU GEN OFF灯灭,此时以下接触器（BTC1、BTC2、EPC、APC）的通断位置应该是：___
A. 通；通；通；通
B. 通；通；断；通
C. 通；通；通；断
D. 通；断；通；通
【单选题】
(B737ng)下面哪种情况不能使发动机驱动的发电机控制继电器跳开? ___
A. A． 将相应的发电机电门置于0FF位
B. B． 过压(0V)保护或欠压(LV)保护
C. C． 过频(0F)保护或欠颜(UF)保护
D. D． 过流(<3C)保护
【单选题】
(B737ng)下面说法哪个是错误的？___
A. AGCU和SCU一起控制APB的打开与闭合。
B. APU起动发电机的激励电压来自AGCU的调压电路。
C. APU起动发电机的激励电压来自SCU的调压电路。
D. IDG发电机的激励电压由GCU来调压。
【单选题】
(B737ng)下面说法正确的是：___
A. A． 机长和负驾驶的时钟是一样的，但不能互换，因为机长的时钟还提供时间数据给FMC
B. B． 机长的时钟使用的是28VDC热电瓶汇流条，而负驾驶时钟使用的是28VDC电瓶汇流条
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【单选题】
(B737ng)用地面电源起动好APU后，P5-13板APU GEN OFF灯灭。此时以下接触器（BTC1、BTC2、EPC、APC）的通断位置应该是：___
A. 通；通；通；通
B. 通；通；通；断
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D. 通；断；通；通
【单选题】
(B737ng)与一号发电机断路器不能互换的是:___
A. A．二号发电机断路器(GB)
B. B．二号发电机APU发电机断路器
C. C．一号APU发电机断路器
D. D．汇流条转换继电器
【单选题】
(B737ng)在电源转换的迅间，由那一汇流条向 DEU1 & DEU2 供电___
A. AC standby bus
B. DC standby bus
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【单选题】
(B737ng)左右发IDG和APU的发电机可用；2号交流转换汇流条发生短路，在头顶板有那一些电源灯亮___
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【单选题】
(B737ng)在P5电源面板上检查静变流机的电源参数先要接通哪一电门___
A. 瞬间扳动“MAINT”"
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【单选题】
(B737ng)737-700控制空调工作逻辑和空气系统接口的控制盒是___
A. 一个ACAU(空调附件控制盒)
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C. 一个组件控制盒
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【单选题】
(B737ng)737-800控制空调工作逻辑和空气系统接口的控制盒是___
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B. 两个ACAU(空调附件控制盒)
C. 一个组件控制盒
D. 两个组件控制盒
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