【单选题】
The higher the temperature, __________ the liquid evaporates.___
A. the faster
B. the more fast
C. the slower
D. the more slower
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答案
A
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【单选题】
430.(A320)起动APU之前必须检查下列哪些系统和参数?___
A. A.火警和电瓶电压
B. B.直流电源和交流电源的质量
C. C.地面服务汇流条的电源状况
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431.(A320)起动机马达在()关断:___
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617.(A320)什么时候余油箱被排空:___
A. A.飞机速度大于200kts
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【单选题】
618.(A320)下列关于APU的指示说法正确的是:___
A. A.位于APU主电门上的“AVAIL”灯点亮表明APU处于正常工作状态
B. B.ECAM的APU页面出现“FUELLOPRESS”信息说明APU燃油泵没有工作
C. C.起动中当N>95%时,位于起动电门上的“AVAIL”灯和“ON”灯点亮
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【单选题】
619.(A320)下列关于APU燃油供给正确的说法是:___
A. A.APU的燃油只能由一单相115VAC马达驱动的专用油泵供给
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【单选题】
620.(A320)下列哪个部件由伺服燃油驱动___
A. A.IGV
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【单选题】
621.(A320)用电瓶起动APU时,对高度有什么限制?___
A. A.只能在地面
B. B.在20000英尺以下
C. C.在25000英尺以下
D. D.无高度限制
【单选题】
622.(A320)在APU系统页上出现“FLAPOPEN”,表示:___
A. A.APU进气门打开
B. B.襟翼放出
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【单选题】
623.(A320)在何时ECAM状态显示器上的APU排气温度指示变成红色:___
A. A.排气温度≥715℃(APU工作)
B. B.??排气温度≥1038℃(APU工作)
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D. D.????排气温度≥1038℃(APU起动时)
【单选题】
625.(A320)APU正常关断时___
A. A.进气门立即关闭
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C. C.引气valve停留在关车前状态,APU自动执行2分钟的冷却
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【单选题】
627.(A320)关于IGV说法不正确的是:___
A. A.当APU引气负载valve关闭时,IGV关闭(22度)
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【单选题】
628.(A320)滑油稀释valve什么时候工作?___
A. A.起动时0-60%
B. B.停车时90%-7%
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D. D.A和B
【单选题】
629.(A320)哪一个是APU起动时部件作动的顺序?___
A. A.进气门打开,起动马达接通,然后是点火和供油;
B. B.起动马达接通,进气门打开,然后是点火和供油;
C. C.进气门打开,点火,起动机马达接通,供油
D. D.点火,供油,然后是起动马达接通和进气门打开。
【单选题】
796.(A320)使用飞机电瓶重新启动APU的高度是多少?___
A. A.25000英尺。
B. B.31000英尺。
C. C.39000英尺。
D. D.10000英尺
【单选题】
797.(A320)下列关于APU的起动说法正确的是:___
A. A.按压接通起动电门,则起动机和点火系统开始工作直到55%转速
B. B.起动过程中,由副油路供油到燃烧室
C. C.当冲压空气涡轮放出时,APU不能起动
D. D.起动过程中,防喘valve保持在关闭位
【单选题】
798.(A320)以下哪一个不属于APU保护性关断___
A. A.低滑油压力
B. B.2个EGT传感器故障
C. C.ECAMAPU页面不显示
D. D.滑油油量低
【单选题】
799.(A320)影响防喘valve位置的部件有:___
A. A.总压传感器压差传感器
B. B.总压传感器IGVLVDT
C. C.总压传感器压差传感器IGVLVDT
D. D.压差传感器
【单选题】
800.(A320)有多少种情况会导致APU保护性停车?___
A. A.10
B. B.15
C. C.24
D. D.32
【单选题】
801.(A320)APUSerialNumberEncoder能提供的信息有:___
A. A.APU序号
B. B.APU小时
C. C.APU循环
D. D.B和C
【单选题】
802.(A320)APU保护性停车的故障显示在什么地方?___
A. A.ECAM
B. B.CFDS
C. C.ECB
D. D.CDU
【单选题】
803.(A320)APU冷却风扇可对什么部件进行冷却?___
A. A.交流发电机
B. B.滑油冷却器
C. C.附件
D. D.以上都正确
【单选题】
804.(A320)APU停车时,什么时候指令进气门关闭?___
A. A.RPM7%
B. B.RPM50%
C. C.RPM95%
D. D.RPM100%
【单选题】
805.(A320)APU停车时,松开主电门“ON”,则:___
A. A.超温和超速电路检查
B. B.防喘valve关闭
C. C.燃油关断valve关闭
D. D.进气门关闭
【单选题】
806.(A320)Deoil电磁阀功能是:___
A. A.当APU启动时打开,减轻起动机负载
B. B.当APU关车时打开,加速关车
C. C.APU停车时,关断
D. D.A和B
【单选题】
807.(A320)关于APU主燃油总管和辅助燃油总管说法正确的是:___
A. A.起动时,仅辅助燃油总管供油
B. B.加速时,仅主燃油总管供油
C. C.APU引气供应空调时,主和辅助燃油总管供油
D. D.APU正常工作时由主燃油总管供油
【单选题】
808.(A320)哪一个是APU起动时的顺序?___
A. A.主电门接通、进气门打开,起动电门接通、起动马达接通,然后是点火和供油;
B. B.起动电门接通、起动马达接通,主电门接通、进气门打开,然后是点火和供油;
C. C.起动电门接通、起动马达接通,然后是点火和供油,主电门接通、进气门打开
D. D.起动电门接通,进气门打开,主电门接通、起动马达接通,然后是点火和供油;
【单选题】
809.(A320)哪一个是APU正常停车时部件作动的顺序?___
A. A.防喘valve打开、超温和超速电路检查、燃油电磁阀关闭、滑油稀释电磁阀打开、进出气门关闭、燃油valve关闭。
B. B.燃油电磁阀关闭、燃油valve关闭、防喘valve打开、超温和超速电路检查、滑油稀释电磁阀打开、进出气门关闭。
C. C.滑油稀释电磁阀打开、燃油电磁阀关闭、防喘valve打开、超温和超速电路检查进出气门关闭、燃油valve关闭。
D. D.防喘valve打开、超温和超速电路检查、燃油电磁阀关闭、燃油valve关闭、滑油稀释电磁阀打开、进出气门关闭。
【单选题】
810.(A320)如果APU的两个转速传感器都失效则:___
A. A.维护灯亮
B. B.不会停车
C. C.故障灯闪亮
D. D.以上都正确
【单选题】
928.(A320)下列哪一个部件故障不会导致APU保护性停车?___
A. A.EGT传感
B. B.转速传感器
C. C.滑油低压电门
D. D.P2传感器
【单选题】
929.(A320)?Deoil(滑油稀释)电磁阀失效在关闭时,会导致___
A. A.APU起动时低滑油压力而关车
B. B.APU慢起动而关车
C. C.APU正常工作
D. D.APU不能正常停车
【单选题】
930.(A320)APU的EGT热电偶探测的是哪里的温度?___
A. A.燃烧室出口
B. B.涡轮导向器
C. C.涡轮转子
D. D.消音器法兰处
【单选题】
931.(A320)APU进气门开始打开,下列说法不正确的是:___
A. A.起动机开始转动
B. B.燃油关断valve处于全开位
C. C.APU主电门在ON位
D. D.防喘valve不作动
【单选题】
932.(A320)Deoil电磁阀失效在打开时,会导致___
A. A.APU低滑油压力而关车
B. B.APU慢起动而关车
C. C.APU正常工作
D. D.APU不能正常停车
【单选题】
933.(A320)当Air/OilCooler堵塞时___
A. A.滑油泵将停止工作
B. B.APU滑油过热导致APU
C. C.压力释放valve将释放滑油回到滑油泵的吸油侧
D. D.滑油低压保护性停车
【单选题】
934.(A320)对EMU的描述错误的是:___
A. A.提供APU的使用计时
B. B.对T1和T2的数值进行叠加
C. C.提供APU舱环境温度
D. D.由FADEC直接控制
【单选题】
935.(A320)关于APU的速度传感器错误的是:___
A. A.是两个独立系统
B. B.感受磁性齿轮的运转
C. C.感受转子的组件的旋转环转速
D. D.更换时需要换胶圈
【单选题】
936.(A320)如果P2传感器和压差传感器故障,IGV如何作动?___
A. A.关闭
B. B.打开
C. C.调节状态
D. D.根据引气门位置确定
【单选题】
985.(A320)在孔探APU时发现DIFFUSER有严重调块和缺损,应该:___
A. A.立即换发
B. B.应根据涡轮压气机状况决定是否换发
C. C.不必采取措施
D. D.应根据EGT决定是否更换
【单选题】
986.(A320)FADEC显示SRVB,可能是:___
A. A.起动机反相电压不足
B. B.启动吹除valve故障
C. C.引气压力低
D. D.引气伺服valve发生短路
【单选题】
987.(A320)当APU在慢车状态工作正常,但加负荷时,转速下降,FCU是故障原因之一,还有的故障原因可能是下列哪一项?___
A. A.压差传感器
B. B.转速传感器故障
C. C.EGT热电偶故障
D. D.P2传感器故障