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【简答题】

向开式齿轮加润滑油时应()。

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参考解析:
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【单选题】Passage 3 Questions 11 to 15 are based on the following passage: Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuel...

A.
Because bullocks have long been used by Indian people
B.
Because bullocks walk slowly and are easy to control.
C.
Because there are few non-working bullocks in India
D.
Because there is not enough oil in India.

【单选题】测定润滑油机械杂质的苯废液应()。

A.
倒入水池中
B.
倒入封闭容器中,进行回收
C.
倒入废液罐中
D.
倒入废油中

【单选题】加注润滑油要加至()。

A.
油尺的下刻度线
B.
油尺的上刻度线
C.
上下刻度线的中间
D.
上刻度线以上1厘米

【多选题】开式齿轮的主要失效形式是__。

A.
轮齿折断
B.
齿面磨损
C.
齿面胶合
D.
齿面点蚀

【多选题】铁路润滑油的种类包括()?

A.
发动机柴机油
B.
静液压油
C.
变压器油
D.
抱轴油

【多选题】给水泵润滑油进水的原因有()

A.
轴封漏汽进入轴承内
B.
冷油器内部泄漏
C.
油侧压力大于水侧压力
相关题目:
【单选题】Passage 3 Questions 11 to 15 are based on the following passage: Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuel...
A.
Because bullocks have long been used by Indian people
B.
Because bullocks walk slowly and are easy to control.
C.
Because there are few non-working bullocks in India
D.
Because there is not enough oil in India.
【单选题】测定润滑油机械杂质的苯废液应()。
A.
倒入水池中
B.
倒入封闭容器中,进行回收
C.
倒入废液罐中
D.
倒入废油中
【单选题】加注润滑油要加至()。
A.
油尺的下刻度线
B.
油尺的上刻度线
C.
上下刻度线的中间
D.
上刻度线以上1厘米
【多选题】开式齿轮的主要失效形式是__。
A.
轮齿折断
B.
齿面磨损
C.
齿面胶合
D.
齿面点蚀
【多选题】铁路润滑油的种类包括()?
A.
发动机柴机油
B.
静液压油
C.
变压器油
D.
抱轴油
【多选题】给水泵润滑油进水的原因有()
A.
轴封漏汽进入轴承内
B.
冷油器内部泄漏
C.
油侧压力大于水侧压力