【单选题】【消耗次数:1】
工作时既承受弯矩又传递转矩的轴称为______。
心轴
转轴
传动轴
不确定
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相关题目
【单选题】 工作时既承受弯矩又传递转矩的轴称为()。
①  心轴
②  转轴
③  传动轴
④  不确定
【判断题】 工作时只承受弯矩,不传递扭矩的轴,称为传动轴。()
①  正确
②  错误
【单选题】 按照轴的承载情况,工作时只受弯矩,不传递扭矩的轴,称为( ??)。
①  传动轴
②  转轴
③  心轴
④  曲轴
【判断题】 电动机传动轴横截面上扭矩与传动轴的传递功率成反比。
①  正确
②  错误
【单选题】 关于设计传动轴时的正确概念为:()。
①  要使传动轴最高转速尽可能接近0.7倍临界转速;
②  需要临界转速较高,传动轴实心;
③  要使临界转速较低,传动轴较短;
④  要使传动轴最高转速远远低于临界转速,传动轴较短.
【单选题】 传动轴属于()。
①  消耗件
②  易损件
③  维修零件
④  肇事件
【多选题】 传动轴不平衡的原因( )
①  传动轴变形
②  未按照标记装配
③  传动轴有脏污
④  传动轴与万向节未安装在同一平面内
【多选题】 为得到传动轴的高临界转速,传动轴的结构特征为()。
①  空心;
②  实心;
③  长度不足1.5米;
④  长度超过1.5米
【单选题】 为了提高传动轴的强度和刚度,传动轴一般都做成( )。
①  空心的
②  实心的
③  半空、半实的
④  无所谓
【判断题】 机电传动系统中低速轴转矩大,高速轴转矩小。
①  正确
②  错误
随机题目
【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
【单选题】 In his masterpiece The Portrait of A Lady, Henry James _________.
①  incarnates the clash between the Old World and the New in the life journey of an American girl in a European cultural environment
②  tells a story about a young and innocent American confronting the complexity of the European life as well as the American society
③  describes a young American girl who gets “killed” by the winter in Rome
④  tells about some Europeans who learn with difficulty to adapt themselves to the American life
【单选题】 At the middle of 19th century, America witnessed a cultural flowering which is called “_____”.
①  the English Renaissance
②  the Second Renaissance
③  the American Renaissance
④  the Salem Renaissance
【单选题】 In Dreiser’s Sister Carrie, which of the following statements is NOT true about the characters in the story?
①  At the end of the story, Hurstwood’sfamily are enjoying a happy life without him.
②  Being unable to make a decent living, Hurstwood at last commits suicide.
③  In spite of her success as a famous actress Carrie does not feel happy.
④  Carrie becomes rich and helps Hurstwood out of his difficulty.
【单选题】 Which of the following is not written by Henry James?
①  Daisy Miller
②  The Wings of the Dove
③  The American
④  Self-Reliance
【单选题】 Stylistically, Henry James’ fiction is characterized by ________.
①  highly refined language
②  ordinary American speech
③  short, clear sentences
④  abundance of local images
【单选题】 The first American writer of local color to achieve wide popularity was?____.
①  Bret Harte
②  Mark Twain
③  Henry James
④  William Dean Howells
【单选题】 Mark Twain, one of the greatest 19th century American writers, is well known for his ______.
①  international theme
②  waste-land imagery
③  local colorism
④  symbolism
【单选题】 Who exerts the single most important influence on literary naturalism, of which Theodore Dreiser and Jack London are among the best representative writers?
①  Freud
②  Darwin
③  W. D. Howells
④  Emerson
【单选题】 _____ had an evident influence on naturalism. It seemed to stress the animality of man, to suggest that he was dominated by the irresistible forces of evolution.
①  Transcendentalism
②  Darwinism
③  Marxism
④  Freudianism