【单选题】
有关外流valve错误的是?___
A. A.应急冲压门开且客舱内外压差<1PSI时,外流valve半开
B. B.当外流valve采用人工方式时,按DITCHING电门不能将它关闭
C. C.当外流valve采用人工方式时,将MANV/S电门扳到UP位并保持,外流valve将逐渐关闭
D. D.此航班使用1号马达,下一航班使用2号
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相关试题
【单选题】
掺混空气valve的作用是什么?___
A. A.通过加入热空气来调节area
B. B.通过加入冷空气来调area温度
C. C.调节热空气压力
D. D.掺入一部分循环空气到座舱
【单选题】
掺混空气valve由什么控制?___
A. A.组件控制器
B. B.area控制器
C. C.管道过热传感器
D. D热空气压力调节valve
【单选题】
当AEVC探测到气流量比需求值高时，哪个valve打开？___
A. A.蒙皮空气出口valve
B. B.蒙皮热交换器进口旁通valve
C. C.空调进口valve
D. D.蒙皮热交换器出口旁通valve
【单选题】
飞机高度39000英尺,客舱高度正常情况下最大为:___
A. A.8000英尺
B. B.12000英尺
C. C.14000英尺
D. D.39000英尺
【单选题】
空调组件过热时,哪个传感器气动关闭流量控制valve?___
A. A.组件进口引气温度传感器
B. B.压气机出口气动过热传感器
C. C.组件出口过热传感器
D. D.组件进口引气压力传感器
【单选题】
控制PACK出口温度的传感器在:___
A. A.涡轮出口
B. B.冷凝器下游
C. C.水分离器下游
D. D.压气机下游
【单选题】
如果area控制器完全失效，PACK出口温度如何变化？___
A. A.24℃
B. B.PACK1为20℃，PACK2为10℃
C. C.15℃
D. D.固定在当前温度
【单选题】
如果一个组件控制器完全失效，PACK出口温度如何变化？___
A. A.另一个组件控制器接替工作，此组件工作不受影响
B. B.组件出口温度固定在24℃
C. C.组件出口温度固定在15℃
D. D.组件出口温度固定在当前温度
【单选题】
下列说法错误的是?___
A. A.热空气调压valve关闭时,通往驾驶舱,前后客舱的掺混空气valve也同时关闭
B. B.再循环风扇故障不影响温度调节
C. C.卫生间,厨房排气扇故障不影响客舱温度调节
D. D.冲压进气口在空中不全开
【单选题】
压气机气动过热传感器用于PACK过热时关闭：___
A. A.掺混空气valve
B. B.热空气压力valve
C. C.组件流量控制valve
D. D.旁通valve
【单选题】
用于调节area温度的掺混空气压力必须:___
A. A.与客舱压力一致
B. B.高于客舱压力2PSI
C. C.高于客舱压力4PSI
D. D.高于客舱压力6.5PSI
【单选题】
怎样用人工方式控制增压系统?___
A. A.系统1失效,自动进入人工方式
B. B.系统2失效,自动进入人工方式
C. C.不可能,没有人工方式
D. D.按压方式选择电门到人工方式
【单选题】
当空调面板上HOTAIR电门上FAULT灯亮时，因为过热：___
A. A热空气压力调节valve关闭，掺混空气valve关闭
B. B热空气压力调节valve打开，掺混空气valve关闭
C. C热空气压力调节valve关闭，掺混空气valve打开
D. D.没有valve会受影响，需人工控制
【单选题】
正常飞行当蒙皮温度低于35℃时，电子舱通风系统控制冷却空气的温度，方法是：___
A. A增加来自驾驶舱的空气
B. B将空气通过蒙皮热交换器
C. C蒙皮空气进出口valve完全打开
D. D将空气抽出机外
【单选题】
冲压空气电门何时能给座舱引入外界空气？___
A. A任何时候
B. B只在客舱内外压差小于1PSI时
C. C只在客舱内外压差大于1SPI时
D. D只在外流valve完全打开时
【单选题】
空调组件控制器主通道故障时会出现什么情况？___
A. A辅助通道以备份方式工作，调节不是最优
B. B辅助通道完全替代工作
C. C空调组件失效
D. D相应组件出口温度固定在15摄氏度
【单选题】
空调组件控制器辅助通道故障时会出现什么情况？___
A. A对空调组件的调节无影响，只是备份方式失效
B. B空调组件失效
C. C无任何影响
D. D相应组件出口温度固定在15摄氏度
【单选题】
空调组件控制器主通道和辅助通道故障时会出现什么情况？___
A. A通过防冰valve将空调组件的出口温度控制在15℃
B. B空调组件完全失效
C. C无任何影响
D. D另一个组件控制器自动接替工作
【单选题】
如果热空气压力调节valve失效在全开位，会出现什么情况？___
A. A优化调节失效
B. B温度保持在故障发生时所选择的值
C. C无影响
D. D两个空调组件完全失效
【单选题】
如使用APU引气，空调组件的流量自动选择在：___
A. A高位
B. B正常位
C. C低位
D. D零位
【单选题】
掺混空气valve是通过下列哪种方法优化温度的？___
A. A增加热空气
B. B增加新鲜空气
C. C调节空调组件的流量
D. D增加冷空气
【单选题】
热空气压力调节valve：___
A. A调节热空气压力
B. B在无空气时弹簧保持打开
C. C在管道过热时自动打开
D. D电马达驱动
【单选题】
空调组件流量控制valve：___
A. A电控气动
B. B气控电动
C. C在发动机开车时自动打开
D. D只有开和关两个位置
【单选题】
area温度可在何处选择？___
A. A驾驶舱
B. B客舱
C. C货舱
D. D驾驶舱和客舱
【单选题】
关于发动机的压力要求，当一个area的加热和冷却需求不能实现时：___
A. A必须人工增加最小慢车
B. B自动增加最小慢车
C. C在任何情况下，飞行慢车都足够
D. DEIU会自动关断相应发动机引气
【单选题】
最大正常客舱高度为：___
A. A8000英尺
B. B9550英尺
C. C14000英尺
D. D39000英尺
【单选题】
最大客舱负压差为：___
A. A0
B. B-0.1PSI
C. C-0.5PSI
D. D-1PSI
【单选题】
在高温机场长时间过站时，能否同时使用空调组件和地面空调车：___
A. A是
B. B否
C. C是，如果外界温度大于50℃
D.
【单选题】
混合组件与什么相连接：___
A. A空调组件，客舱空气，应急冲压空气入口及地面空调接口
B. B空调组件，应急冲压空气入口及地面空调接口
C. C空调组件和客舱空气
D. D发动机和APU引气管路
【单选题】
一旦设置在“ON”位，空调组件将如何工作：___
A. A自动且各自独立
B. B飞机离地后自动工作
C. C组件1正常工作，组件2备用
D. D发动机运转时自动工作
【单选题】
RAMAIR电门设置在“ON”位时，应急冲压空气进口门将在何时打开：___
A. A任何情况
B. B如果未选择水上迫降
C. C内外压差<1PSI且未选择水上迫降
D. D前起减震支柱压缩时
【单选题】
如果area控制器主通道故障，空调组件提供哪个温度：___
A. A组件1将驾驶舱温度控制在24℃，组件2将前后客舱温度控制在24℃
B. B组件1将温度固定在20℃，组件2将温度固定在10℃
C. C空调组件1和2将出口温度固定在15℃
D. D热空气压力调节valve完全打开
【单选题】
经调节后的空气被分配到：___
A. A驾驶舱，货舱及客舱
B. B驾驶舱，前后客舱
C. C驾驶舱，电子舱，客舱
D. D驾驶舱和轮舱
【单选题】
客舱area温度传感器是由从厨房和盥洗室风扇抽取的空气进行通风的：___
【单选题】
温度控制是自动的，并由下列哪一项调节：___
A. Aarea控制器
B. B空调组件1和2控制器
C. CBMC1和2
D. D以上A和B两项
【单选题】
如果空调组件控制器故障，空调组件出口温度被调节到：___
A. A0℃
B. B15℃
C. C18℃
D. D24℃
【单选题】
如果空调组件控制器故障，空调组件出口空气温度由谁控制：___
A. A空调组件旁通valve
B. B空调防冰valve
C. C空调组件流量控制valve
D. D热空气压力调节valve
【单选题】
当冲压空气按钮设置在ON位时，外流valve将：___
A. A关闭
B. B完全都打开
C. C当压差小于1PSI时部分打开
D. D当压差大于1PSI时打开
【单选题】
在下列哪种情况下空调组件流量控制valve自动关闭：___
A. A空调组件过热，发动机防火电门按出，发动机起动，水上迫降按钮按下
B. BPRV故障，空调组件出口压力增加
C. C外流valve完全关闭时
D. DAPU关车后
【单选题】
如果掺混空气系统故障，area控制器辅助通道将area温度调节到：___
A. A24℃
B. B18℃
C. C15℃
D. D10℃
推荐试题
【单选题】
At present, nearly of the world’s population communicate in English.
A. A. half
B. B. a quarter
C. C. one third
D. D. one fifth
【单选题】
The attack on Rome ended the Roman occupation in Britain in 410.
A. A. Norman
B. B. Danish
C. C. Celtic
D. D. Germanic
【单选题】
By the late 7th century, became the dominant religion in England.
A. A. Celtic Christianity
B. B. Anglo-Saxon Christianity
C. C. Germanic Christianity
D. D. Roman Christianity
【单选题】
Westminster Abbey was built at the time of .
A. A. St. Augustine
B. B. Edward the Confessor
C. C. William the Conqueror
D. D. Alfred the Great
【单选题】
The marked the establishment of feudalism in England.
A. A. Viking invasion
B. B. signing of the Magna Carta
C. C. Norman Conquest
D. D. Adoption of common law
【单选题】
The end of the Wars of the Roses led to the rule of .
A. A. the House of Valois
B. B. the House of York
C. C. the House of Tudor
D. D. the House of Lancaster
【单选题】
The direct cause for the Religious Reformation was King Henry VIII’s effort to .
A. A. divorce his wife
B. B. break with Rome
C. C. support the Protestants
D. D. declare his supreme power over the church
【单选题】
The English Civil War broke out in 1642 between .
A. A. Protestants and Puritans
B. B. Royalists and Parliamentarians
C. C. nobles and peasants
D. D. aristocrats and Christians
【单选题】
was passed after the Glorious Revolution.
A. A. Bill of Rights
B. B. Act of Supremacy
C. C. Provisions of Oxford
D. D. Magna Carta
【单选题】
The Industrial Revolution was aThe Industrial Revolution was accomplished in Britain by the middle of the century.
A. A. 17th
B. B. 18th
C. C. 19th
D. D. 20th
【单选题】
Britain faced strong challenges in its global imperial dominance by the beginning of the century.
A. A. 17th
B. B. 18th
C. C. 19th
D. D. 20th
【单选题】
As a revising chamber, the House of Lords is expected to the House of Commons.
A. A. rival
B. B. complement
C. C. criticize
D. D. inspect
【单选题】
The British government is characterized by a division of powers between three of the following branches with the exception of the .
A. A. judiciary
B. B. legislature
C. C. monarchy
D. D. executive
【单选题】
The importance of the British monarchy can be seen in its effect on .
A. A. passing the bills
B. B. advising the government
C. C. political parties
D. D. public attitude
【单选题】
British Cabinet works on the principle of .
A. A. collective responsibility
B. B. individual responsibility
C. C. defending the collectivism
D. D. defending the individuals
【单选题】
The main duty of the British Privy Council is to .
A. A. make decisions
B. B. give advice
C. C. pass bills
D. D. supervise the Cabinet
【单选题】
is the first African-American winner of the Nobel Prize for Literature.
A. A.Ralph Ellison
B. B. Tony Morrison
C. C. Richard Wright
D. D. James Baldwin
【单选题】
Of the following writers, is Not a Nobel Prize winner.
A. A. Alice Walker
B. B. Ernest Hemingway
C. C. William Faulkner
D. D. Eugene O’Neil
【单选题】
Of the following books, is NOT written by Ernest Hemingway.
A. A. The Sun Also Rises
B. B. The Sound and the Fury
C. C. A Farewell to Arms
D. D. For Whom the Bell Tolls
【单选题】
F. Scott Fitzgerald’s finest novel is , and its theme is about
A. A. The Great Gatsby, the American Dream
B. B. Tender is the Night, love
C. C. Tales of the Jazz Age, the loss of oneself
D. D. The Beautiful and the Damned, the evil of human nature
【单选题】
Of the following writers, is NOT included in the group of naturalists.
A. A. Stephen Crane
B. B. Frank Norris
C. C. Theodore Dreiser
D. D. Herman Melville
【单选题】
Of the following, is NOT characteristic of Mark Twain’s works.
A. A. colloquial speech
B. B. a sense of humor
C. C. a realistic view
D. D. an idealistic view
【单选题】
Of the following, is considered Herman Melville’s masterpiece.
A. A. The Last of the Mohicans
B. B. The Legend of Sleepy Hollow
C. C. Moby Dick
D. D. Daisy Miller
【单选题】
Of the following, is NOT Nathaniel Hawthorne’s work.
A. A. The Scarlet Letter
B. B. The House of the Seven Gables
C. C. The Marble Faun
D. D. Nature
【单选题】
is regarded as “the father of American literature”.
A. A. James Fennimore Cooper
B. B. Ralph Waldo
C. C. Thomas Jefferson
D. D. Washington Irving
【单选题】
Of the following writers, are from the Colonial and Revolutionary Periods.
A. A. Benjamin Franklin & Edgar Ellen Poe
B. B. Edgar Ellen Poe & Jonathan Edwards
C. C. Benjamin Franklin & Jonathan Edwards
D. D. Edgar Ellen Poe & Washington Irving
【单选题】
The National Day of the United States falls on .
A. A. June 4th
B. B. July 4th
C. C. June 14th
D. D. July 14th
【单选题】
Of the following, is NOT among the three major radio and TV networks in America.
A. A. the National Broadcasting System (NBS)
B. B. the Public Broadcasting Service (PBS)
C. C. the Columbia Broadcasting System (CBS)
D. D. the American Broadcasting System (ABS)
【单选题】
is sold especially to the upper or upper-middle class and it has a reputation for its serious attitude and great bulk.
A. A. The Washington Post
B. B. The New York Times
C. C. Los Angeles Times
D. D. New York Daily News
【单选题】
Of the following universities, has NOT cultivated any American President yet.
A. A. Harvard University
B. B. Massachusetts Institute of Technology
C. C. Princeton University
D. D. Yale University
【单选题】
To get a bachelor’s degree, all undergraduate students are required to do the following except .
A. A. attending lectures and completing assignments
B. B. passing examinations
C. C. working for communities
D. D. earning a certain number of credits
【单选题】
Of the following, is NOT the responsibility of the board of trustees in U. S. institutions.
A. A. choosing the president
B. B. establishing policies for administrators and faculty
C. C. approving budget and other financial project
D. D. decide which student to enroll
【单选题】
Of the following, are NOT among the categories of American higher education.
A. A. universities and colleges
B. B. research institutions
C. C. technical institutions
D. D. community colleges
【单选题】
Higher education in the United States began with the founding of
A. A. Yale University
B. B. Harvard University
C. C. Princeton University
D. D. New York University
【单选题】
Of the following subjects, are NOT offered to elementary school students.
A. A. mathematics and languages
B. B. politics and business education
C. C. science and social studies
D. D. music and physical education
【单选题】
Formal education in the United States consists of , secondary and higher education.
A. A. kindergarten
B. B. public
C. C. elementary
D. D. private
【单选题】
At present, U. S. exports account for of the world’s total.
A. A. 10%
B. B. 15%
C. C. 20%
D. D. 25%
【单选题】
is not one of the three giants in American automobile industry.
A. A. Ford
B. B. General Motors
C. C. Chrysler
D. D. American Motors
【单选题】
The following statements are all true except .
A. A. Agribusinesses reflect the big, corporate nature of many farm enterprises.
B. B. Agribusinesses maintain a balanced trade pattern between agricultural imports and exports.
C. C. Agribusinesses range from one-family corporations to multinational firms.
D. D. Agribusinesses include a variety of farm businesses and structures.
【单选题】
About of American crops are for export.
A. A. half
B. B. one third
C. C. one fourth
D. D. one fifth
