【单选题】【消耗次数:1】
往复式压缩机压缩比越高,排出的气体温度越( )。
不变
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相关题目
【单选题】 较高压缩比时,往复式压缩机分段而离心式压缩机一般不分段。( )
①  正确
②  错误
【单选题】 往复式压缩机压缩过程是( )过程。
①  等热
②  多变
③  绝热
④  仅是体积减少压力增大
【单选题】 往复式压缩机压缩过程是( )过程。
①  多变
②  等热
③  仅是体积减少压力增大
④  绝热
【单选题】 往复式压缩机开车时( )出口阀门。
①  关闭
②  打开
③  可开可关
【单选题】 往复式压缩机曲轴的组件中不包括( )。
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②  曲柄销
③  轴颈
④  飞轮
【单选题】 在往复式压缩机中直接参与气体接触的部件不包括( )。
①  汽缸
②  活门
③  活塞
④  曲柄连杆
【单选题】 启动往复式压缩机前其出口阀必须( )。
①  微开
②  关闭
③  打开
④  无所谓
【单选题】 往复式压缩机产生排气量不够的原因( )。
①  气缸内有水
②  安全阀不严
③  冷却水量不够
④  吸入气体过脏
【单选题】 一往复式压缩机排气量为60m3/min,它属于( )压缩机。
①  中型
②  小型
③  大型
④  微型
【单选题】 往复式压缩机填料所不具有的功用是( )。
①  支撑
②  自润滑
③  隔振
④  密封
随机题目
【单选题】 To Hemingway, man’s greatest achievement is to show ______.
①  bravery before danger
②  grace under pressure
③  encouragement under pressure
④  optimism under pressure
【单选题】 “The apparition of these faces in the crowd; Petals on a wet, black bough”. This is the shortest poem written by?______.
①  T. S. Eliot
②  Robert Frost
③  Ezra Pound
④  Wallace Stevens
【单选题】 Which of the following is depicted as the mythical county in William Faulkners novels?
①  Cambridge
②  Oxford
③  Mississippi
④  Yoknapatawpha
【单选题】 “The Love Song of J. Alfred Prufrock” is T. S. Eliots most striking early achievement. The poem is a sort of ______monologue.
①  private
②  personal
③  dramatic
④  poetic
【单选题】 ______ is Edwin Arlington Robinson’s best character sketch telling the story of the well-educated and rich hero who is admired by the town people but suddenly shot himself on one night.
①  “MiniverCheevy”
②  “Richard Cory”
③  “The House on the Hill”
④  None of the above
【判断题】 Mark Twain, one of the greatest 19th century American writers, is well known for his international theme.
①  正确
②  错误
【判断题】 As a realist, Mark Twain concerned particularly about the local character of a region, which came about as “Local Colorism”.
①  正确
②  错误
【判断题】 The first American writer of local color to achieve wide popularity was Bret Harte.
①  正确
②  错误
【单选题】 The end of ______ marked the beginning of The Gilded Age, an age of excess and extremes, of decline and progress, of poverty and dazzling wealth, of gloom and hope.
①  the American War of Independence
②  World War I
③  World War II
④  The Civil War
【单选题】 In Henry James’ The Portrait of A Lady, the author tries to portray the young woman as an embodiment of ______.
①  the force of convention
②  the free spirit of the New World
③  the decline of aristocracy
④  the corruption of the newly rich