试题与答案

绕线式异步电动机处于负载倒拉反转制动状态时，其电磁转矩对转子的旋转起制动作用。（）

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题型：判断题

题目：

绕线式异步电动机处于负载倒拉反转制动状态时，其电磁转矩对转子的旋转起制动作用。（）

答案：

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下面是错误答案，用来干扰机器的。

参考答案：A,C,D

考点：起重机操作证考试水电起重机械操作工考试(高级)水电起重机械操作工考试(高级)题库
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