题目内容

电场越不均匀，采用（）对提高工业用液体击穿电压效果越好。

A. 覆盖
B. 绝缘层
C. 屏障
D. 多层覆盖

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油隙绝缘中,电极表面加覆盖层能提高击穿电压的原因是( )。

A. 改善电场分布
B. 限制泄漏电流
C. 阻隔离子运动
D. 防止形成小桥

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影响变压器油中杂质小桥的形成的因素有( )。

A. 电极形状
B. 电压类型
C. 油的品质
D. 屏障

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All of the following principles should be considered to make informed consent, EXCEPT .( )

A. medicine
B. education
C. law
D. ethics

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Which of the following statements best describes the decision-making process of the elders with compromised decisional capability? ( )

A guardian is needed for the process.
B. A surrogate decision-maker should help to make decisions.
C. Decisions with minimal risks can be made at any time.
D. The elders should be asked to paraphrase the discussion.

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电场越不均匀，采用（ ）对提高工业用液体击穿电压效果越好。

A. 覆盖 B. 绝缘层 C. 屏障 D. 多层覆盖

油隙绝缘中,电极表面加覆盖层能提高击穿电压的原因是( )。

影响变压器油中杂质小桥的形成的因素有( )。

All of the following principles should be considered to make informed consent, EXCEPT .( )

Which of the following statements best describes the decision-making process of the elders with compromised decisional capability? ( )

电场越不均匀，采用（）对提高工业用液体击穿电压效果越好。

A. 覆盖
B. 绝缘层
C. 屏障
D. 多层覆盖