【判断题】【消耗次数:1】
转向系的角传动比越大,转向越省力,所以转向系角传动比应越大越好。
正确
错误
参考答案:
复制
纠错
相关题目
【判断题】 最大传动比与最小传动比之比值越大,挡位数应越多。
①  正确
②  错误
【判断题】 周转轮系的传动比等于各对齿轮传动比的连乘积。()
①  正确
②  错误
【多选题】 混合轮系传动比的计算方法步骤包括()
①  A.基本轮系的划分
②  B.基本轮系传动比的计算
③  C.基本轮系间关系的寻找
④  D.方程组的联立求解
【单选题】 确定汽车传动系的最大传动比时,需要考虑()。
①  汽车的最大爬坡度、最低稳定车速和附着率
②  汽车的最大爬坡度、最高车速和附着率
③  汽车的最大爬坡度、最低稳定车速和最高车速
④  汽车的加速时间、最高车速和附着率
【判断题】 轮系传动不可获得很大的传动比。
①  正确
②  错误
【判断题】 平面定轴轮系的传动比有正负。
①  正确
②  错误
【单选题】 渐开线少齿差行星传动中,两轮齿数差越( ),传动比越大
① 
②  相似
③ 
【单选题】 轮系的传动比,是指轮系中首轮与末轮的()或()之比。
①  A.传动角、压力角
②  B.中心距、位移
③  C.加速度、位移
④  D.角速度、转速
【判断题】 惰轮不但能改变轮系齿轮传动方向而且能改变传动比。
①  正确
②  错误
【判断题】 轮系中惰轮不仅改变传动比的大小而且还影响传动方向。
①  正确
②  错误
随机题目
【单选题】 Tom is in favor of going to the movies; Jack insists on playing football.
①  while
②  meanwhile
③  when
④  at the same time
【单选题】 Ever since the Smiths moved to the suburbs a year ago they __________ better health.
①  could have enjoyed
②  had enjoyed
③  have been enjoying
④  are enjoying
【单选题】 She is quite capable and can be depended on in an __________ .
①  affair
②  accident
③  incident
④  emergency
【单选题】 He studied hard in his youth, __________ contributed to his great success in later life.
①  that
②  it
③  what
④  which
【单选题】 I was worried about chemistry, but Mr Brown gave me an A!
①  Don’t worry about it
②  Congratulations! That’s a difficult course
③  Mr Brown is very good
④  Good luck to you!
【单选题】 __________ evidence that language acquiring ability must be stimulate@@
①  It being
②  It is
③  There is
④  There being
【单选题】 Having been asked to speak at the convention __________
①  some notes were prepared for Dr. Smith
②  Smith prepared some notes
③  The convention members were pleased to hear Dr. Smith
④  Some notes were prepared by Dr. Smith
【单选题】 For a successful business, friendly and __________ staff are essential.
①  sufficient
②  effective
③  efficient
④  respective
【单选题】 Mr. Chairman, could I raise a point about the plan?
①  Yes, Dr Chock
②  I think so, either
③  Yes, I hope not
④  No, I have no idea
【单选题】 These are certainly beautiful flowers. Thank you so much.
①  No, no. It’s nothing
②  You are welcome.
③  Yes, I agree
④  Yes, I think so, too