首页 试题详情
单选题

Dirt should not be allowed to contaminate a grease lubricant because the ____.

A dirt will cause corrosion of bearing

B bearings will leak oil excessively

C dirt is very abrasive when mixed with grease

D grease will become inflammable

查看答案
正确答案：A （备注：此答案有误）

相似试题

  • 单选题

    Dirt should not be allowed to contaminate a grease lubricant because the ____.

    答案解析

  • 单选题

    Contraction should not be used in _______writing.

    答案解析

  • 单选题

    Work should not be allowed to ___ our lives.

    答案解析

  • 判断题

    According to SMCP， names used should be those on the chart or Sailing Directions in use. Should these not be understood, latitude and longitude should be given.

    答案解析

  • 单选题

    But we should not only be healthy, but also be in good ________.（）

    答案解析

热门题库