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【单选题】
(B737ng)发动机启动电门放在CONT位时:___
A. 左点火
B. 右点火
C. 左或者右
D. 无点火
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答案
C
解析
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相关试题
【单选题】
(B737ng)发动机起动电门在FLT位,起动手柄在慢车位:___
A. 左点火
B. 右点火
C. 不点火
D. 双点火
【单选题】
(B737ng)关于737NG的发动机点火控制说法正确的是:___
A. 直接由点火激励器控制,没有其他控制参与
B. 737NG由EEC参与点火
C. 737NG由DEU参与控制
D. B和C都对
【单选题】
(B737ng)哪种发动机燃油喷嘴有更大的油流经过___
A. 带蓝色带的喷嘴
B. 带黄色带的喷嘴
C. 带黑色带的喷嘴
D. 带银色带的喷嘴
【单选题】
(B737ng)在发动机点火嘴的附近你将发现哪种喷嘴___
A. 带黑色带的喷嘴
B. 带银色带的喷嘴
C. 带蓝色带的喷嘴
D. 带黄色带的喷嘴
【单选题】
(B737ng)正常情况下波音737NG左侧发动机的点火激励器用什么电源:___
A. AC 转换汇流条1和备用汇流条
B. AC 转换汇流条2和备用汇流条
C. AC 转换汇流条2,1和备用汇流条
D. AC 转换汇流条2,1
【单选题】
(B737ng)正常情况下南航波音737-800发动机的点火导线是靠什么冷却的___
A. HPC 排气
B. 外界的冲压气
C. 低压压缩机排气
D. 油冷
【单选题】
(B737ng)正常情况下南航波音737-800发动机的点火激励器是___
A. 将115V 转为1000伏
B. 将115V 转为10000伏
C. 将115V 转为20000伏
D. 将115V 转为2000伏
【单选题】
(B737ng)正常情况下南航波音737-800发动机的点火系统是:___
A. 自动点火的
B. 人工控制的
C. 人工控制的自动点火
D. 自动控制为主,人工控制为辅
【单选题】
(B737ng)正常情况下南航波音737-800左侧发动机的点火激励器用的是___
A. AC 转换汇流条1和备用汇流条
B. AC 转换汇流条2和备用汇流条
C. AC 转换汇流条2,1和备用汇流条
D. AC 转换汇流条2,1
【单选题】
(B737ng)737NG发动机有一个TBV(瞬时引气活门)它安装在哪里:___
A. C函道12点钟位置
B. C函道6点钟位置
C. C函道1点钟位置
D. 风扇函道6点钟位置
【单选题】
(B737ng)737NG供给HPTACC的气源是___
A. 5&9级引气
B. 4级引气
C. 9级引气
D. 4&9级引气
【单选题】
(B737ng)737NG供给LPTACC的气源是___
A. 风扇空气
B. 4级引气
C. 9级引气
D. 4&9级引气
【单选题】
(B737ng)关于737NG的涡轮间隙控制说法正确的是:___
A. 可以控制高压涡轮,但低压涡轮只有冷却
B. 可以控制高压及低压涡轮
C. 只能控制低压涡轮
D. A&B对
【单选题】
(B737ng)737NG起到减轻起动机负载的部件是:___
A. BSV
B. LPTACC
C. TBC
D. VBV
【单选题】
(B737ng)737NG取消了737-345的5级起动引气活门,它的功能由737NG的什么部件提供___
A. BSV
B. LPTACC
C. TBC
D. VBV
【单选题】
(B737ng)发动机系统的PS3感受的是:___
A. LPC出口的压力
B. LPC 进口的压力
C. LPC第三级出口的压力
D. HPC第九级的出口压力
【单选题】
(B737ng)可变放气活门(VBV)的作用是: ___
A. A. 调节低压压气机的进口压力使一部分主涵道气流到次涵道
B. B. 防止发动机喘振使一部分主涵道气流在进入高压压气机前到次涵道
C. C. 提高压气机工作效率使一部分次涵道气流到主涵道
D. D. 调节压气机的工作温度,防止其超温
【单选题】
(B737ng)南航波音737-800发动机次级气流将产生多少的推力(占总推力的%)?___
A. 90%
B. 80%
C. 70%
D. 60%
【单选题】
(B737ng)涡轮间隙控制系统包括:___
A. HPTACC,LPTACC,BSV
B. LPTACC,VSV,HPTACC
C. HPTACC,VBV,LPTACC
D. HPTACC,LPTACC,TBV
【单选题】
(B737ng)EEC无法探知BSV活门的时候,BSV活门:___
A. 中间位,油压自动控制
B. 发动机将停车
C. 打开位
D. 关上位,此时弹簧加载在关位
【单选题】
(B737ng)ENG VALVE CLOSED 指哪个活门?___
A. HMV
B. PRSOV
C. HPSOV
D. spar valve
【单选题】
(B737ng)HPTACC的作用是:___
A. 控制HPT叶尖间隙到最大,以提高燃油效率
B. 控制HPT叶尖间隙到最小,以提高燃油效率
C. 控制HPT叶尖间隙到最小,以防止喘振
D. 控制HPT叶尖间隙到最小,以防止失速
【单选题】
(B737ng)HPTACC的作用是使:___
A. HPC里的气流畅通,防止失速
B. HPT里的气流畅通,防止失速
C. 控制HPT的叶尖和机匣的距离
D. 控制HPC的叶尖和机匣的距离
【单选题】
(B737ng)HPTACC在什么模式W为失效安全模式___
A. 全4级模式
B. 无气流模式
C. 高流量9级模式
D. 混合模式
【单选题】
(B737ng)HPTACC在什么模式下时是一种失效安全模式___
A. 无气流模式
B. 高流量9级模式
C. 混合模式
D. 全4级模式
【单选题】
(B737ng)HPTACC在什么模式下叶尖间隙最大?___
A. 无气流模式
B. 高流量9级模式
C. 混合模式
D. 全4级模式
【单选题】
(B737ng)HPTACC在什么模式下叶尖间隙最小?___
A. 无气流模式
B. 高流量9级模式
C. 混合模式
D. 全4级模式
【单选题】
(B737ng)VSV控制着HPC的___
A. 1,2,3,4级
B. IGV,1,2,3级
C. IGV,2,3,4级
D. 1,2,3级
【单选题】
(B737ng)飞机处于起飞阶段,高压涡轮间隙控制系统的冷却气流来自___
A. A.HPC5th
B. B.HPC9th
C. C.HPC5th和9th
D. D.由定时器控制冷却气流
【单选题】
(B737ng)可变放气活门(VBV)___
A. A.由两个液压马达驱动12个放气活门
B. B.在反推作动和快减速时,处于完全打开位
C. C.由位于其主作动器上的RVDT提供反馈信号到MEC
D. D.可以使一部分风扇气流进入高压压气机,防止发动机喘振
【单选题】
(B737ng)可变静子叶片(VSV)___
A. A.由低压压气机的进口导向叶片和1,2,3级静子叶片构成
B. B.根据VBV的位置反馈信号改变其作动角度
C. C.随着发动机功率的增加逐渐趋于全开位
D. D.仅在起动发动机时作动帮助卸载HPC
【单选题】
(B737ng)哪几级HPC由VSV控制着___
A. 1,2,3,4级
B. IGV,1,2,3级
C. IGV,2,3,4级
D. 1,2,3级
【单选题】
(B737ng)涡轮间隙控制系统组成:___
A. HPTACC,LPTACC,TBV
B. HPTACC,LPTACC,BSV
C. LPTACC,VSV,HPTACC
D. HPTACC,VBV,LPTACC
【单选题】
(B737ng)有关JTSD-17A发动机引气说法正确的是:___
A. A.低转这时用8级引气,高转这时用13级引气
B. B.低转速时用13级引气,高转速时用8级引气
C. C.使用13级或8级引气,由压力调节器控制
D. D.使用13级或8级引气,由引气压力传感器控制
【单选题】
(B737ng)在EEC无法探知BSV活门的时候,BSV活门将在:___
A. 打开位
B. 关上位,此时弹簧加载在关位
C. 中间位,油压自动控制
D. 发动机将停车
【单选题】
(B737ng)正常情况下,波音737NG发动机的点火导线是靠什么冷却的:___
A. HPC 排气
B. 外界的冲压气
C. 低压压缩机排气
D. 油冷
【单选题】
(B737ng)控制发动机工作的输入的方法是:___
A. 人工
B. 自动
C. A&B对
D. A&B错
【单选题】
(B737ng)油门杆解调器及自动油门机构装在哪里:___
A. 主电子舱
B. 前电子舱
C. 前货舱
D. 后货舱
【单选题】
(B737ng)737NG的自动油门控制马达和737-345差异在哪里___
A. 没有差异
B. 安装位置不同737NG装在主电子舱
C. 737NG取消了钢索联动,直接用齿轮和连杆带动
D. B&C对
【单选题】
(B737ng)发动机前推手柄作动如何防止反推作动?___
A. 位于推力控制鼓轮机构内的反推内锁机构
B. 位于前推手柄和反推手柄之间的互锁机构
C. 位于中央操纵台内的卡槽限动机构
D. 位于HMU内的功率作动连杆上的止动钉
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【单选题】
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【单选题】
19.In fact, my parents are not only kind to me, but also strict ________ me. A. at B. to C. for D. with
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【单选题】
20. The boy_____ a yellow sweater can_____ himself now. A. wearing; dress B. putting on; wear C. put on; dress D. dressing; wear
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21. —Jack, I haven’t seen your brother for a long time. — He ________Shanghai on business for two months. A. went to B. has gone to C. has been in D. has been to
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【单选题】
22. The meat with eggs tastes ______. Would you like some more? A. nice B. well C. bad D. wonderfully
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【单选题】
23. — Look! The man standing at the gate ______ be our headmaster. — No, it _______ be him.He is holding a meeting in the office now. A. must; can’t B. must; mustn’t C. can’t; can’t D. can’t; mustn’t
A. A
B. B
C. C
D. D
【单选题】
24. The Japanese government must do everything ________ polluted water from running into rivers, lakes, seas and oceans. A. keep B. kept C. Keeping D. to keep
A. A
B. B
C. C
D. D
【单选题】
25. —Hi, Jack.Did you go to Jim’s birthday party? —No, I felt so sad.I . A. didn’t invite B. am not invited C. wasn’t invited D. hadn’t invited
A. A
B. B
C. C
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【单选题】
( ) 26. Where does the writer of "The little Prince" come from? A.England. B.France. C.America. D.China.
A. A
B. B
C. C
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【单选题】
( ) 27. What does the prince do after the fox tells him a secret? A.He cares more about a flower and a sheep. B.He meets many more strange adults on other planets. C.He realizes his love for the rose and he goes back to his planet.   D.He discovers interesting things such as a snake, other roses and a fox.
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C. C
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【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________. A.the adult world B.the planet B -612 C.a rose and a fox D.the adventure of a young prince
A. A
B. B
C. C
D. D
【单选题】
( ) 29. What is the writer's main purpose(目的)in writing this passage?    A.To tell the readers his life story.    B.To tell people what kind of person his father was.    C.To tell the readers what present he got from his father.    D. To let people know how poor he was.
A. A
B. B
C. C
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【单选题】
( )30 Why did the father not ask his son not to do this and do that?    A.Because he felt quite confident of his son.    B.Because he was born from a poor family.    C.Because he was a man of few words.    D.Because he didn't want to be much too strict with his son.
A. A
B. B
C. C
D. D
【单选题】
( ) 31. What would someone learn from this passage?    A.How to live by oneself. B.How to stand on one's own feet.    C.What a good father should do. D.What the self-important is like.
A. A
B. B
C. C
D. D
【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage?    A.闲暇时光 B.学费 C.精神空虚 D.经济不足
A. A
B. B
C. C
D. D
【单选题】
( ) 33. It’s good for children to ________ on the Internet. A. give password to others B. go into a chat room as they’d like to C. give out a credit card number D. get useful knowledge and information
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【单选题】
( ) 34. The underlined phrase “leak out” in the third paragraph may mean “________.” A. give away B. give out C. leave out D. put away
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【单选题】
( ) 35.If your parents don’t agree, never ________. A. read anything on the Internet B. relax in your free time C. have a face-to face meeting with anyone you met online D. treat other people as you’d like to be treated
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【单选题】
( ) 36. This passage is mainly about “________”. A. Internet Safety Rules B. Surfing on the Internet C. Information on the Internet D. How to use Computers
A. A
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【单选题】
( ) 37. When was canned food invented? A. In 1870.          B. In 1810. C. In 1902.          D. In 1926.
A. A
B. B
C. C
D. D
【单选题】
( ) 38. After the trip to the Arctic, Clarence Birdseye invented ____________. A. canned food             B. can openers C. frozen food           D. air conditioning
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【单选题】
( ) 39 Changes in weather _____________ in Willis Carrier's company. A. helped to keep food           B. made rooms comfortable C. caused health problems        D. hurt printing paper
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B. B
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【单选题】
( ) 40. According to the passage, which of the following may lead to inventions? A. People's needs.             B. Public support. C. Modern technology.          D. Practical suggestions.
A. A
B. B
C. C
D. D
【单选题】
1、下列词语中,读音全都正确的一组是( )  A. 箴(jiān)言 璀璨(càn) 分泌(mì) 饮鸩(jiū)止渴  B. 堵塞(sāi) 憧(chōng)憬 宝藏(cáng) 未雨绸缪(móu)  C. 缜(zhěn)密 省(xǐng)悟 弹劾(hé) 瞠(chēng)目结舌  D. 果脯(fǔ) 处(chù)罚 提(tí)防 草菅(jiān)人命
A. A
B. B
C. C
D. D
【单选题】
、下列词语中加点的字的读音完全相同的一项是( ) A. 缉私  编辑  舟楫   开门揖盗   疾恶如仇  B. 奴婢  裨益  麻痹   惩前毖后 刚愎自用  C. 强劲  颈椎  劲头  泾渭分明 不胫而走  D. 船舷  炫耀  弦乐 头晕目眩 煊赫一时
A. A
B. B
C. C
D. D
【单选题】
下列词语中带括号的字的读音,全都不相同的一组是( ) A.(樟)脑 (章)程 (獐)头鼠目 欲盖弥(彰) B.(削)皮 (消)耗 形(销)骨立 (逍)遥法外 C.(感)动 呐(喊) (咸)与维新 不胜遗(憾) D. 官(僚) (撩)拨 青面(獠)牙 星火(燎)原
A. A
B. B
C. C
D. D
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