相关试题
【单选题】
当黄、绿系统压差大于多少时，PTU自动工作：___
A. 500PSI；
B. 1000PSI；
C. 300PSI。
D.
【单选题】
当液压压力下降后，下列哪项正确___
A. 优先valve优先供压给重载用户；
B. 优先valve优先供压给重要系统；
C. 优先valve将调整系统的压力。
D.
【单选题】
高压油滤的更换要求___
A. 红色指示器弹出立即更换；
B. 跳出后可复位，再跳出后更换；
C. 复位3次后更换。
D.
【单选题】
何时渗漏计量valve自动关闭___
A. PTU2S7C时；
B. 操纵货舱门时；
C. 操纵手摇泵时。
D.
【单选题】
解除PTU功能可通过:___
A. 拔跳开关；
B. 油箱释压；
C. 脱开PTU快卸自封接头。
D.
【单选题】
空中双发停车后，仅有APU供电情况下蓝泵何时停止工作___
A. 飞机落地；
B. 落地后2分钟；
C. 蓝泵一直不工作。
D.
【单选题】
蓝电动泵在正常情况下何时停止工作___
A. 飞机落地；
B. 落地后2分钟；
C. 双发关车后。
D.
【单选题】
蓝系统电动泵自动工作条件:___
A. 任一发起动；
B. 双发起动；
C. 空中。
D.
【单选题】
绿液压油箱参数：正常、最大、低油面警告值分别为___
A. 14，18，3±04L；
B. 16，18，5±04L；
C. 14，16，3±04L。
D.
【单选题】
哪个液压系统由发动机驱动泵增压___
A. 绿，黄；
B. 绿，蓝；
C. 黄，蓝。
D.
【单选题】
取样valve位于___
A. 高压总管；
B. 回油管上；
C. 油箱前管路上。
D.
【单选题】
人工释压valve释放何处压力___
A. 相应的液压油箱；
B. 相应的液压系统；
C. 相应的液压管路。
D.
【单选题】
如何在做渗漏计量测试时使左大翼独立供压___
A. 将渗漏计量valve电门放OFF位操作电动泵；
B. 通过PTU给黄系统增压；
C. 渗漏计量valveOFF位，人工打开左大翼滑油。
D.
【单选题】
若起落架开锁作动筒的轴封严渗漏，则放行的标准为（加压时）___
A. 小于1滴/分；
B. 小于30滴/分；
C. 小于60滴/分。
D.
【单选题】
下列哪些不是储压器的功能___
A. 维持系统管路压力，避免大的压力波动；
B. 液压油临时短缺时提供补充；
C. 失去液压动力后提供动力。
D.
【单选题】
液力油加油管路滤子堵塞时，则___
A. 液压油可通过旁通油滤加入；
B. 加油压力将升高；
C. 不可能加油。
D.
【单选题】
液压防火关断valve何时关闭___
A. 发动机停车后；
B. 探测到火警后自动关断；
C. 松出发动机灭火按钮后。
D.
【单选题】
液压管路的渗漏放行标准为___
A. 小于1滴/分；
B. 小于5滴/分；
C. 不允许渗漏。
D.
【单选题】
液压油箱加油时是否释压___
A. 不需要；
B. 需要；
C. 最好释压。
D.
【单选题】
液压油箱增压的目的___
A. 给系统提供初始压力；
B. 防止泵出现气塞并起气封严的作用；
C. 防止液压波动。
D.
【单选题】
液压油箱增压压力为：___
A. 50PSI；
B. 100PSI；
C. 500PSI。
D.
【单选题】
以下几项哪些是由绿系统供压:___
A. 1起落架和门的收放（包括前轮转弯）。2正常刹车。3左发反推。
B. 1；
C. 1、2；
D. 全选。
【单选题】
应急发电机的恒速马达由谁提供动力___
A. 绿液压系统；
B. 黄液压系统；
C. 蓝液压系统。
D.
【单选题】
余油收集瓶收集何处余油___
A. 液压油箱余油；
B. 特殊不见的封严余油；
C. A+B。
D.
【单选题】
在应急情况下，何时GSM/G自动关断蓝系统只提供液压到飞机控制系统___
A. 飞机接地后；
B. 起落架放出后；
C. 飞行高度低于500m后。
D.
【单选题】
在正常操纵货舱门时，飞行舵面能否被做动___
【单选题】
在做地面收放RAT测试时，间隔必须大于___
A. 10分钟；
B. 30分钟；
C. 1小时。
D.
【单选题】
哪个液压系统由发动机驱动泵（EDP）来增压？___
A. 蓝和绿
B. (仅在地面操作)电动泵用于黄系统
C. 绿和黄
D. 绿、黄、蓝
【单选题】
冲压涡轮（RAT）收进控制面板位于：___
A. 机身左侧的绿系统勤务面板
B. 机身左侧的蓝系统勤务面板
C. 机身右侧的黄系统勤务面板
D. 主轮舱里
【单选题】
液压油箱加油手摇泵和加油软管位于_____；手摇泵手柄位于_______
A. 绿系统勤务面板；黄系统勤务面板
B. 黄系统勤务面板；绿系统勤务面板
C. 蓝系统勤务面板；黄系统勤务面板
D. 绿系统勤务面板；绿系统勤务面板
【单选题】
动力传输组件(PTU)：___
A. 可在蓝和黄系统间互相转换
B. 在绿和黄系统间互相转换
C. 可在绿和黄系统间互相转换
D. 可在所有三个系统间转换
【单选题】
冲压空气涡轮在空中放出后为谁增压___
A. 绿系统
B. 通过动力传输组件为黄和绿系统
C. 蓝系统
D. 黄系统
【单选题】
在什么情况下，蓝系统电动泵工作？___
A. 当飞机在地面，电动泵电门在AUTO位，且超控电门在ON位
B. 当绿和黄系统处于低压力状态时
C. 一旦一台发动机运转且超控电门在ON位已经处于AUTO位不用超空电门在ON位了
D. 货舱门打开时
【单选题】
地面发动机开车前，蓝泵处于自动位且飞机有供电时，蓝泵：___
A. 自动通电
B. 蓝泵人工超控按钮按下时通电
C. 蓝泵控制按钮按下时通电
D. 货舱门打开时通电
【单选题】
在一发开车时，动力传输组件(PTU)：___
A. 自动工作
B. 被测试
C. 被抑制
D. 以上都不对
【单选题】
冲压空气涡轮在何时收起___
A. 飞行中
B. 地面
C. 地面和飞行中
D. 以上都不对
【单选题】
能否在绿系统到黄系统之间或黄系统到绿系统之间交换液压油___
A. 不能
B. 能，通过动力传输组件
C. 能，泄漏时换液压油
D. 能，加液压油时换液压油
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
