【单选题】
APU低压隔离valve带有几个马达，由什么作动（）___
A. 1个，电控作动
B. 1个，液压作动
C. 2个，电控作动
D. 2个，液压作动
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相关试题
【单选题】
APU负载压气机出口空气流量信号是采用（）___
A. 进口压力P2
B. 飞机气源需求命令
C. 负载压气机出口总压和进出口压差
D. 进口导向叶片开度
【单选题】
APU功率部分组成（）___
A. 1级压气机，燃烧室，1级涡轮
B. 1级压气机，燃烧室，2级涡轮
C. 2级压气机，燃烧室，1级涡轮
D. 2级压气机，燃烧室，2级涡轮
【单选题】
APU滑油系统的哪一路回油没装回油泵（）___
A. 发电机回油
B. 前收油池回油
C. 涡轮处收油池回油
D. 整个回油路上都没回没泵
【单选题】
APU滑油系统功用（）___
A. 润滑
B. 冷却
C. 清洁
D. A+B+C
【单选题】
APU滑油系统下列哪种情况会导致APU保护性停车（）___
A. 齿轮箱高滑油温度
B. 发电机高滑油温度
C. 滑油系统低滑油压力
D. A+B+C
【单选题】
APU滑油系统需润滑的部位是（）___
A. 轴承
B. 附件齿轮箱
C. 发电机
D. 以上都正确
【单选题】
APU滑油系统中，受ECB控制的部件是（）___
A. 滑油滤旁通valve
B. 放油电磁线圈valve
C. 空气/滑油冷却器
D. 压力调节和释放valve
【单选题】
APU滑油系统中的压差电门触发堵塞信号时（）___
A. 送信号到ECAM
B. 送信号到CFDS
C. 让跳出指示器工作
D. 以上都正确
【单选题】
APU回滑油系统油路上有几个回油滤（）___
【单选题】
APU进气门前方的一块固定装置作用是（）___
A. 整流作用
B. 防止机身上的液体进入进气道
C. 增强机身结构
D. A和B
【单选题】
APU空气系统中下列哪个不受ECB控制（）___
A. 负载控制valve
B. 喘振控制valve
C. 冷却风扇组件
D. 以上部件都不受控制
【单选题】
APU排放系统里哪一处排放收集有燃油，水和空气（）___
A. 排气管接头处的排放
B. 流量分配器处的排放
C. 喘振控制valve处排放
D. 以上都不正确
【单选题】
APU燃油系统中，下列哪个部件不受ECB的控制（）___
A. 三通电磁线圈valve
B. 伺服燃油压力调节器
C. 燃油计量组件
D. 流量分配器电磁线圈valve
【单选题】
APU上用于伺服控制的燃油来自（）___
A. APU燃油控制组件
B. APU燃油流量分配器
C. 飞机液压系统
D. 以上都不正确
【单选题】
APU在地面探测到有火警时（）___
A. APU立即应急打开
B. APU经过一个冷却循环停车
C. ECB模拟超速保护性停车
D. 以上都不正确
【单选题】
APU在引气，此时在APU主电门松开（OFF位）的瞬间，下列哪个是错误的（）___
A. IGVS全关到最小位
B. LCV保持打开
C. SCV打开
D. 开始APU停车循环
【单选题】
APU在运转，而且APU引气工作，如果APU主电门松开（OFF位），则（）___
A. APU经过一个冷却停车循环后停车
B. APU立即停车
C. APU在低压燃油关断valve关闭后停车
D. 以上都不正确
【单选题】
APU正常停车时，ECB模拟的是什么条件（）___
A. 负载控制valve关闭
B. 超速
C. 燃油供油管路释压
D. 超温
【单选题】
APU转速在7%时（）___
A. 进气门打开
B. IGVS打
C. 供油和点火开始
D. 引气负载控制valve打开
【单选题】
APU转速在95%时，“start”电门绿色“AVAIL”灯亮，表明（）___
A. APU可以准备供电，供气
B. APU起动完成
C. APU达到了恒速状态
D. APU已经供电、供气
【单选题】
APU转速在95%时，“start”电门上绿色“AVAIL”灯亮，此时（）___
A. 主电门上蓝色“ON”灯灭
B. “start”电门上蓝色“ON”灯灭
C. 主电门和“start”电门上“ON”灯都灭
D. 以上都不正确
【单选题】
ECB跟下列哪台（计算机）没接口（）___
A. 引气管理计算机BMC
B. 中央故障显示系统CFDS
C. 数据存储组件DMM
D. 飞行管理指引计算机FMGC
【单选题】
ECB会控制（）___
A. 燃油计量valve和三通电磁线圈valve
B. 燃油计量valve和压力调节器
C. 燃油计量valve，流量分配器电磁线圈valve和燃油关断三通电磁线圈valve
D. 以上都不正确
【单选题】
ECB会在下列哪个转速切断起动机电源（）___
A. 45%
B. 50%
C. 60%
D. 95%
【单选题】
ECB在什么情况下会通电燃油分配器电磁线圈valve（）___
A. 0～25%
B. 25%转速以上
C. 95%转速以上
D. 探测到APU熄火时
【单选题】
防喘控制valve（SCV）主要功用是（）___
A. 防止进气道喘振
B. 防止负载压气机喘振
C. 防止附件齿轮箱喘振
D. 防止燃烧室喘振
【单选题】
关于ECAM上APU燃油低压信息“FUELLOPR”的说法正确的是（）___
A. APU速度高于7%时才出现
B. APU燃油管路压力低于15.8psi才出现
C. ECB会将此信息保存在自检记忆里面
D. A+B+C
【单选题】
起动机马达可以帮助APU达到多少转速（）___
A. 40%
B. 50%
C. 60%
D. 95%
【单选题】
如APU在正常工作的情况下，出现因熄火掉到95%以下，此时（）___
A. ECB会恢复点火，直到转速恢复到95%
B. ECB会恢复点火，直到转速恢复到100%
C. ECB会控制增加供油
D. ECB会控制减少供油
【单选题】
什么时候余油箱可以被清空（）___
A. 飞机速度超过200节
B. 飞机停在停机坪时
C. 飞机高度超过200英尺
D. 以上都不正确
【单选题】
下列哪个部件不是伺服燃油作动的（）___
A. LCV
B. IGV
C. SCV
D. 以上都正确
【单选题】
下列哪个部件是受控于ECB的（）___
A. 放油电磁线圈valve
B. 低液面传感器
C. 低滑油压力电门
D. 滑油温度传感器
【单选题】
下列哪些情况可使APU保护性停车（）___
A. 超速
B. 低滑油压力
C. ECB故障
D. 以上都正确
【单选题】
以下哪种不是ECB的功用（）___
A. 控制IGV
B. 控制SCV
C. 控制灭火
D. APU停车功能
【单选题】
以下哪种情况APU的低压隔离valve会关闭（）___
A. 当主电门打到“ON”时
B. 当供油管路低压时
C. ECB触发保护性停车时
D. 当APU起动时
【单选题】
在地面，如果空气进气门失效，怎么打开和关闭它（）___
A. 空气进气门作动筒不能人工超控
B. 空气进气门作动筒可以液压超控
C. 空气进气门作动筒可以用人工超控装置超控
D. 空气进气门作动筒只能电动作动
【单选题】
在启动APU时，按入主电门，此时（）___
A. 开始供油
B. 开始点火
C. 直接开始起动
D. ECB首先开始自测
【单选题】
正常APU起动程序中，APU主电门按进后，什么时候按压“start”电门（）___
A. 主电门上蓝色“ON”出现后
B. 可以马上按压“start”电门
C. 在APU进气门打开之后
D. 30秒之后
【单选题】
正常情况下，APU进气门作动筒是怎么作动的（）___
A. 电控作动
B. 液压作动
C. 气动作动
D. 人工作动
【单选题】
正常情况下，当APU的齿轮箱上的滑油液面视窗观察到滑油处于“ADD”位时，说明（）___
A. 油箱中已无滑油，需立即加油
B. 滑油量仅够飞行一个航班
C. 滑油量至少够APU运转60小时
D. 滑油量至少够APU运转120小时
推荐试题
【单选题】
Tom is a book lover. ______ likes reading very much.
A. He B. She C. You D. It
【单选题】
—May I listen to the music here, Mr. White?
—Sorry, you’d better it like that．
A. not to do B. not do to
C. dont do D. not do
【单选题】
3.—Did you have a good time at Lauras birthday party?
— Yes, indeed. Its several years ________ I enjoyed myself so much.
A. when B. before C. since D. that
【单选题】
4. —___________ is the Summer Palace from here?
About three kilometers away. You can take the No. 35 bus.
A. How long B. How far C. How often D. How much
【单选题】
5. I was looking for a birthday gift for my mother, but I couldnt find ______ suitable.
A. anything B. something C. nothing D. everything
【单选题】
6. A friend of my ____ and I are going to visit_______ next week．
A. father; Browns B. father's; Browns
C. father; the Browns D. father's; the Browns
【单选题】
7. She ______ very hard since she came to our school.
A. studies B. has studied C. is studying D. studied
【单选题】
8. — Who will send you to the new school, your mom or your dad?
— _______. Ill go there by myself.
A. Both B. Either C. Neither D. None
【单选题】
9.—Well do what we can ____English well this term．
—It’s high time for you to work hard．
A. study B．to study C. be studied D. be studying
【单选题】
10. —I’m going to Flower Bookstore. Could you tell me ______?
— Sorry, I don’t know. I’m new here.
A. where it is B. where was it C. where is it D. where it was
【单选题】
11. How do you like the dishes, Eric?
— Fantastic! Nothing tastes ________.
A. nice B. better C. terrible D. worse
【单选题】
12. ______ Lin Feng has to work late, she always wears a smile on her face.
A. Because B. If C. Until D. Though
【单选题】
13.You can save money _______ you buy cheaper things.
A. before B. unless C. if D. until
【单选题】
14. We will have a _________ holiday after the exam．
A. two-month B. two month’s C. two month D. two-months
【单选题】
15. —We will build an underground in Xuzhou before 2015．
— Wow, _______! Will it pass our place?
A. what an excited news B. how excited the news is
C. what exciting news D. how exciting
【单选题】
16. — Emily, here’s a dictionary．I hope it will help you in some way．
— Thank you．It’s ________ what I need．
A. almost B. still C. only D. just
【单选题】
17. —Oh．I’m hungry．Mum, can I have the hamburger on the plate?
—No．It tastes ．
A. terribly B. terrible C. good D. well
【单选题】
18. —We can invite our teachers to the farewell party next Saturday.
—Yes, ______? I’ll call them at once.
A. what for B. what C. why not D. why
【单选题】
19.You can ________ ask the old man to move away to any other place because he has lived ________ here for at least sixty years．
A. hardly; alone B. hard; alone
C. hardly; lonely D. hardly; lonely
【单选题】
20.—I’m going back to see my grandparents this weekend．
—________．
A. It’s very nice of you B. You’d better hurry
C. Say goodbye to them D. Give my best wishes to them
【单选题】
21.—Why not take ____ umbrella with the sign “Made in China”? It is useful.
—What _______ good advice it is!
A. an; a B. a; a C. an; \ D. \; a
【单选题】
22. —Do you know the boy________ is sitting next to Peter?
— Yes. He is Peter’s friend. They are celebrating his ________ birthday.
A. who; ninth B. that; ninth C. /; ninth D. which; ninth
【单选题】
23. It was dark, ______ I couldnt see what was happening.
A. or B. though C. but D. so
【单选题】
24.—You can use MSN to talk with Vivien on the Internet.
—I know. But can you tell me ________?
A. what I can use it B. when I can use it
C. why can I use it D. how can I use it
【单选题】
25. _______ are you going to the School Uniform Exhibition, Amy ?
To learn about different styles of school uniform.
A. What B. Where C. Which D. Why
【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
A．England． B．France． C．America． D．China．
【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
【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
【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．
【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．
【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．
【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
【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
A. She had seven tickets.
B. She hoped to please others.
C. She knew the car drivers well.
D. She wanted to show kindness.
【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
A. thought it was beautifully written
B. wanted to know what it really meant
C. decided to write it on a warehouse wall
D. wanted her husband to put it up in the classroom
【单选题】
( ) 35. Who came up with the phrase according to the passage?
A. Judy Foreman. B. Natalie Smith. C. Anne Herbert D. Alice Johnson.
【单选题】
( ) 36. What can we infer from the last paragraph?
A. People should practice random kindness to those in need.
B. People who receive kindness are likely to offer it to others.
C. People should practice random kindness to strangers they meet.
D. People who receive kindness are likely to pay it back to the giver.
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
【单选题】
( ) 38. From a dam, people can use the water for ___________.
A. keeping the rivers clean B. only making electricity
C. irrigation and making electricity D. washing clothes
【单选题】
( ) 39. The water in the river is polluted because of _____________.
A. people's drinking water too much B. people's swimming in the river too much
C. chemicals and other materials D. people's building a dam across a river
【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
