问题
问答题 简答题
简述滚动轴承的失效破坏形式。
答案
参考答案：
轴承的正常失效形式是滚动体和内外圈滚道上的点蚀，除此以外轴承还可能发生其它形式的破坏如：
（1）润滑油不足引起的轴承烧伤；
（2）润滑油不洁造成滚动体和滚道磨损；
（3）装配不当使轴承卡死，内圈、外圈和保持架破损等。
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简述滚动轴承的失效破坏形式。
参考答案：
轴承的正常失效形式是滚动体和内外圈滚道上的点蚀，除此以外轴承还可能发生其它形式的破坏如：
（1）润滑油不足引起的轴承烧伤；
（2）润滑油不洁造成滚动体和滚道磨损；
（3）装配不当使轴承卡死，内圈、外圈和保持架破损等。
第二节：信息匹配（共5小题；每小题2分，满分10分） Susan, Mike, Jane, George和Tom正计划参加一个夏令营。阅读下面六个夏令营的介绍（选项A、B、C、D、E和F），选出符合各人需求的最佳选项。选项中有一项是多余选项。 56. Susan, a biology student, has a particular interest in wildlife. She is curious about how people and wildlife can co-exist peacefully in an area. She would like to study the environment and wild animals. With information she gathers in the camp she hopes to complete her project on wildlife. 57. Mike is eager to stay away from the busy city life for a while. He and his classmates have decided to join a summer camp where they can learn outdoor skills and learn to solve problems all by themselves. 58. Jane is longing for a break from school life. She wants to try something different and exciting. She is especially interested in mountain biking and water sports. 59. George is a born leader and is popular among his classmates. As a chairman of the Student Club, he often organizes activities and games. He’d like to attend wilderness courses which offer youth a chance to lead, lead and succeed. 60. Tom is a sports fan and a lover of the outdoors. Besides water sports, he enjoys horse-racing and hiking. He would like to go to a camp which offers a great variety of sports. ______________________________________________________________ Summer’s almost here, and a summer camp near you provides piles of summer fun… 
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