【单选题】【消耗次数:1】
在往复式压缩机中直接参与气体接触的部件不包括( )。
汽缸
活门
活塞
曲柄连杆
参考答案:
复制
纠错
相关题目
【单选题】 往复式压缩机曲轴的组件中不包括( )。
①  曲柄
②  曲柄销
③  轴颈
④  飞轮
【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】 往复式压缩机压缩比越高,排出的气体温度越( )。
① 
② 
③  不变
【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】 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】 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
【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
【判断题】 活塞式压缩机式通过曲柄连杆机构使活塞作往复运动而实现吸、压气,并达到提高气体压力的目的。该说法( )
①  正确
②  错误
随机题目
【单选题】 _________ the regular classes, you can also attend many different seminars and take part in many extracurricular activities.
①  Except for
②  Including
③  Apart from
④  with
【单选题】 I have no idea _____ to make my speech interesting.
①  how
②  why
③  when
④  what
【单选题】 Apple developed its iPad-based textbooks in ____________with major textbook publishers.
①  form
②  link
③  conjunction
④  to
【单选题】 The fact ________ that we are behind the other classes.
①  seems to be
②  looks to be
③  remains
④  talk
【单选题】 The company is trying every _____to improve the quality of products.
①  meaning
②  means
③  mean
④  meanings
【单选题】 Some universities offer free, non-credit MOOCs __________to anyone in the world.
①  useful
②  available
③  easy
④  hard
【单选题】 The news came _____ we won the first prize in the competition.
①  that
②  which
③  whether
④  how
【单选题】 _________, the number of private cars will increase sharply in the coming couple of years.
①  Undoubtedly
②  Doubtedly
③  Undoubted
④  doubt
【单选题】 Hardly had the train arrived at the destination when the passengers ________ out in no time.
①  flew
②  dropped
③  flooded
④  ran
【单选题】 By making learning possible anytime and anywhere, distance education is a powerful tool _________ supporting lifelong learning.
①  to
②  for
③  with
④  on