Sparking at the brushes of a running motor could be an indication of （）. -题库考试答案搜索网

Sparking at the brushes of a running motor could be an indication of （）.

单选题

2022-01-09 15:17

A、normal operation
B、a dirty commutator
C、increased brush capacity
D、water vapor absorptio

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正确答案

B

试题解析

标签：船舶电气与船舶安全

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