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【单选题】
一旦变压整流器发生保护断开()___
A. 可以拔跳开关来重置
B. 可以在MCDU上重置
C. TR上没有重置手段
D. 不需重置
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答案
B
解析
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相关试题
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以下关于单独供电说法正确的是()___
A. 在一个汇流条上,只能有一个电源供电
B. 在一个汇流条上,可由多个电源同时供电
C. 在一个汇流条上,同一时间,可由多个电源供电
D. 在一个汇流条上,同一时间,只能由一个电源供电
【单选题】
以下关于电瓶电门说法正确的是()___
A. 用于控制电瓶的供电、充电及电压指示
B. 电瓶电门放“OFF”位,将使APU停车
C. 用于控制电瓶与直流电瓶汇流条的连接及指示电瓶故障
D. 用于控制IDG发电机控制和保护
【单选题】
以下关于电源接口组件(EGIU)说法正确的是()___
A. 是专门为GCU和GPCU供电的装置
B. 两部EGIU可以互换
C. 是将GCU和GPCU的离散信号转换成数字信号的组件
D. 它也是与CFDS的接口组件
【单选题】
以下关于交流电源自动供电顺序说法正确的是()___
A. 最后选择的电源为供电电源
B. IDG为首选供电电源
C. 只要应急发电机发电正常,主交流汇流条上就由它供电
D. 没有自动供电顺序,只能人工选择
【单选题】
应急发电机(CSM/G)的主要参数为()___
A. 28V直流、5KVA
B. 115V、400HZ、3φ、90KVA
C. 115V、400HZ、单相、5KVA
D. 115V、400HZ、3φ、5KVA
【单选题】
应急发电机(CSM/G)主要组成是()___
A. 控制valve,液压恒速马达和发电机
B. 控制valve和发电机
C. 变压装置和稳压电路
D. 电子恒频和发电机
【单选题】
应急发电机组件(CSM/G)安装在()___
A. 左电子舱
B. 右前电子舱
C. 主起落架舱
D. 前起落架舱
【单选题】
应急发电系统主要组成是()___
A. 应急发电机组件(CSM/G)、应急发电机控制组件、接触器、控制测试面板、自藕变压器
B. 应急发电机组件(CSM/G)、两个电瓶、接触器、应急发电机控制组件
C. 应急发电机组件(CSM/G)、静变流机、接触器、控制测试面板、自藕变压器
D. 应急发电机组件(CSM/G)、应急发电机控制组件、接触器、液压兰系统电动泵
【单选题】
有关发电机控制组件说法正确的是()___
A. GCU1、GCU2、GCU3和GPCU,应急GCU是一样的可互换
B. 只有GCU1和GCU2是一样的,另外三个都有不同功能
C. 能通过程序销钉改变GCU1、2、3的功能,它们可互换
D. 它们都不能互换
【单选题】
在ECAM的电源系统页面上()___
A. 可以看到IDG的滑油入口温度和滑油压力数值
B. 可以看到闪烁的IDG滑油温度当其高于147OC时
C. 无法看到电瓶电流的方向
D. 无法看到IDG的脱开情况
【单选题】
在GCU内部的准备好电路的功用是()___
A. 将发电机起动完毕
B. 将发电机电压调节在正常范围
C. 当发电机各种参数及电路正常后,为自动接通发电机输出做好准备
D. 以上A、B正确
【单选题】
在IDG内部的发电机建立电压过程中,最主要的是()___
A. 恒速装置必须先恒速
B. 必须要有正反馈励磁
C. 发电机控制电门要放断开位置
D. 以上均正确
【单选题】
在IDG与发动机附件齿轮箱脱开复位时,应注意的是()___
A. 必须起动发动机才能复位
B. 必须是发动机转子在静止状态
C. 必须在飞机通电状态下
D. 必须更换IDG滑油后
【单选题】
在SD电源页面上,当IDG内的滑油温度大于147℃时,将会出现什么指示()___
A. 温度指示将变为琥珀色
B. 指示值将闪烁但仍为绿色
C. 指示值变为琥珀色并闪烁
D. 无任何变化
【单选题】
在地面用APU起动好两台发动机后,按出电源控制面板上的汇流条连接(BUSTIE)按钮()___
A. 对电网供电没有影响
B. 1号交流汇流条失去电源,1号直流汇流条和2号直流汇流条得到电源
C. 控制面板上的“主交流供电(ACESSFEED)”按钮FAULT灯亮,需人工按出
D. APU发电机将不发电
【单选题】
在电源控制面板上的“厨房”控制电门的功用是()___
A. 自动和人工控制厨房电源的通断
B. 指示厨房电源的断开
C. 复位功能
D. 以上均是
【单选题】
在电源控制面板上的“汇流条连接”电门(BUSTIE)放“OFF”位置,将使()___
A. 断开交流自动转换功能
B. APU发电机不能向电网供电
C. 外电源不能向整个电网供电
D. 以上均正确
【单选题】
在电源控制面板上的外电源可用灯亮后,但接不通外电源,可能原因是()___
A. APU发电机正在向飞机电网供电
B. 发电机控制电门在断开位置
C. “汇流条连接”电门(BUSTIE)在断开位置
D. 以上A+B
【单选题】
在电源系统中,各种参数值超出正常范围后,会有怎样的指示()___
A. 数字变为红色
B. 数字变为琥珀色并闪烁
C. 数字仍为绿色但闪烁
D. 数字变为琥珀色
【单选题】
在电源系统中,唯一的一个三级警告(红色警告)是()___
A. 在“应急发电机状态”
B. IDG滑油压力低
C. 发电机故障
D. 交流主汇流条无电
【单选题】
在飞行中,以下说法正确的是()___
A. 电瓶始终连在电瓶汇流条上
B. 电瓶充电限制器控制电瓶放电,并控制电瓶与电网接触器的通断
C. 充电电流小于4A时BCL立即断开接触器停止充电
D. 以上均正确
【单选题】
在更换整体驱动发电机(IDG)后:()___
A. 加IDG滑油时必须接溢流管并检查油位;
B. 必须测试IDG的脱开和重新衔接功能;
C. 不需要试车。
D. 左右IDG油面不同
【单选题】
在紧急电源面板上,发生电子舱烟雾后按出1号发电机在线(GEN1LINE)按钮()___
A. 1号发动机不再工作,GEN1按钮里的FAULT灯亮
B. 机翼油箱左1和右1泵仍由1号发动机供电
C. GCL1和GCR1仍然闭合
D. 整个电网将失去电源
【单选题】
在空中,电源控制面板上的厨房按钮上的“FAULT”灯亮是因为:()___
A. 厨房设备有故障;
B. 机上用电超负荷且厨房供电被断开;
C. 一台发电机故障
D. 以上A、B正确
【单选题】
在什么情况下,冲压涡轮会自动放出:()___
A. 当飞机在空中,1号和2号交流汇流条失去电源且空速大于100海里;
B. 当飞机在空中,且兰电动泵失效的情况下;
C. 当飞机在空中,电瓶可用且兰液压系统出现低压
D. 无论在空中还是地面,只要1号和2号交流汇流条失去电源
【单选题】
在使用地面勤务供电时(MAINT电门ON)()___
A. 可以检查液压油箱油量表
B. 可以开关货舱门(用电动泵)
C. 可以冲洗马桶
D. 以上均正确
【单选题】
在外电源正常向飞机电网供电过程中,电源控制面板上的电压指示值是()___
A. 电瓶的电压
B. 直流电瓶汇流条上的电压
C. 电瓶充电限制器的电压
D. 以上A和B
【单选题】
在无交流和直流供电时,在哪里可以检查电瓶电压:()___
A. 在ECAM的电源(ELEC)页面上;
B. 在电子舱内
C. 在头顶面板的电源控制面板上;
D. 无法检查
【单选题】
在应急电源控制面板上,将“冲压涡轮及应急发电机人工”电门(MANON)按入将会使()___
A. 只放出冲压涡轮
B. 只使应急发电机发电及供电
C. 冲压涡轮放出应急发电机发电并供电
D. 以上A、B正确
【单选题】
在应急电源控制面板上的“1号发电机在线”电门(GEN1LINE)功用是()___
A. 电子舱烟雾状况下电源的转换控制
B. 控制1号发电机正常供电
C. 对电子舱进行灭火控制
D. 以上均正确
【单选题】
在应急电源控制面板上的“应急发电机测试”电门(EMERGENTEST)可进行()___
A. 应急发电机测试
B. 静变流机测试
C. 冲压涡轮测试
D. 以上A、B正确
【单选题】
在增强型电源系统中,GAPCU的主要功用是()___
A. APU发电机控制
B. 外电源的控制
C. 电源系统与其他系统接口功能
D. 以上均是
【单选题】
在增强型电源系统中IDG具有()___
A. 不分左右发动机IDG滑油油面指示
B. IDG内滑油温度达200°C自动热脱开
C. IDG内恒装提供24000RPM转速
D. 以上A+B+C
【单选题】
整体驱动发电机(IDG)包括哪两部分?()___
A. 附件齿轮箱和高压压气机
B. 恒速驱动装置和发电机
C. 液压马达和液压泵
D. 复位手柄和滑油温度警告装置
【单选题】
整体驱动发电机(IDG)的主要参数为()___
A. 115V、400HZ、3φ、90KVA
B. 115V、400HZ、1φ、5KVA
C. 28V、400HZ、3φ、50KVA
D. 28V、直流、90KVA
【单选题】
正常供电时,1号变压镇流器(TR1)故障,此时()___
A. 由TR2经直流汇流条2直接给1号直流汇流条供电
B. 由TR2经直流汇流条2给直流主汇流条供电
C. 由ESSTR直接给直流主汇流条供电
D. 由1号电瓶向1号直流汇流条供电
【单选题】
直流电瓶汇流条非正常情况下,可由什么供电()___
A. TR2
B. 1号电瓶
C. 2号电瓶
D. 以上均正确
【单选题】
直流电瓶汇流条正常情况下,由什么供电()___
A. TR2
B. TR1
C. 1号电瓶
D. ESSTR
【单选题】
直流电源的来源有()___
A. TR1、TR2、
B. TR1、TR2、CSM/G
C. 1号电瓶、2号电瓶
D. 以上均是
【单选题】
直流主汇流条(DCESSBUS)非正常情况下,可由什么供电()___
A. 2号电瓶
B. 主变压整流装置(ESSTR)
C. 1号电瓶
D. 以上A+B
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