【单选题】【消耗次数：1】
传递一定功率的传动轴的转速越高，其横截面上所受的扭矩也就越大。（ ）
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【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.
随机题目
【单选题】
5 -Id like to buy that coat. -Im sorry. ___.
①
it sold
②
its selling
③
Its been sold
④
it had been sold
【单选题】
7.The key ___ on the table when I leave.
①
was left
②
will be left
③
is left
④
has been left
【单选题】
10. These papers___yet.
①
have not written
②
have not been written
③
has not written
④
has not been written
【单选题】
1. The Peoples Republic of China ___ on October 1, 1949.
①
found
②
was founded
③
is founded
④
was found
【判断题】
阅读课文II.Which Is Stronger? 判断正误4. According to the Text, the Wind was a nice person who alwyas had a kind word for everyone.
①
正确
②
错误
【判断题】
阅读课文II.Which Is Stronger? 判断正误5. Is it true a man may lead a horse to the eater but he cannot make him drink?
①
正确
②
错误
【判断题】
阅读课文II.Which Is Stronger? 判断正误2.The Sun agreed that the Wind could force the traveller to take off his coat.
①
正确
②
错误
【判断题】
阅读课文II.Which Is Stronger? 判断正误3. At the beginning, the Wind thought himself very important and looked down on the Sun.
①
正确
②
错误
【判断题】
阅读课文II.Which Is Stronger? 判断正误1.The central idea of the text is Persuasion is better than force.
①
正确
②
错误