【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
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相关试题
【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】
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】
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】
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
【单选题】
988.(A320)起动APU，看到在ECAMAPU页上有EGT和BLEEDPSI，证实发动机引气电门在OFF位，组件电门在OFF位，接通APU引气电门，如果EGT上升并且显示在ECAM上的BLEEDPSI没有增加，可能的原因是什么？___
A. A.LCV没有打开
B. B.LCV没有全开
C. C.IGV没有打开
D. D.飞机供气系统漏气
【单选题】
从何处可以进行APU紧急关车___
A. A．APU控制面板,火警面板,外电源控制面板
B. B．加/抽油面板,外电源控制面板和驾驶舱
C. C．APU不能从飞机外部关车
D. D．火警面板或外电源控制面板
【单选题】
下列关于APS3200APU说法正确的是：___
A. A．APU在任何工作状态下都可以提供引气或电源
B. B．若ECB故障，则APU无法正常工作
C. C．要关断APU，务必先关断APU的引气或电源负载
D. D．APU的正常工作转速是101％
【单选题】
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】
APU运转，APU引气系统工作，则松出APU主电门：___
A. APU在完成一个冷却循环后停车；
B. APU立即停；
C. APU在低压和高压燃油关断valve关时停。
D.
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( ) 26. Where does the writer of "The little Prince" come from?
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D． To let people know how poor he was．
A. A
B. B
C. C
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【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage？
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B. B
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【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
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【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
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【单选题】
( ) 35. Who came up with the phrase according to the passage?
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【单选题】
( ) 36. What can we infer from the last paragraph?
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A. A
B. B
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D. D
【单选题】
( ) 37.The greatest river for navigation is ___________.
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A. A
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【单选题】
( ) 38. From a dam, people can use the water for ___________.
A. keeping the rivers clean B. only making electricity
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【单选题】
( ) 39. The water in the river is polluted because of _____________.
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B. B
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【单选题】
( ) 40. The best title of the passage is ___________.
A. Rivers in Cities B. The importance of Rivers
C. Transportation D. Natural Resources
A. A
B. B
C. C
D. D
