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The operator of electrical motors should keep a co...

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单选题

The operator of electrical motors should keep a constant check on the loads they carry because （）

发布日期：2021-03-22

A.low loads necessitate frequent insulation cleaning

B.exceeding nameplate values shortens useful life

C.energy is wasted if full loading is not utilized

D.power factor correction methods are load dependent

标签： operator electrical motors constant check

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