欢迎来到牛牛题库网 牛牛题库官网
logo
搜索
全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(轮机专业) > 轮机英语 > 船舶电气与船舶安全

单项选择题

The unit of electrical power is the （）

A.ampere
B.kilovolt
C.watt
D.farad

点击查看答案&解析
上一题 目录 下一题

相关考题

单项选择题
In an alternating current electrical system, a low system power factor is a direct sign of （）

A.wasted energy
B.efficient operation
C.a short in the exciter field windings
D.an excessive number of minor system grounds
单项选择题
An alternator is being paralleled with one on the lineAt the INSTANT the circuit breaker is closed, the frequency of the incoming alternator will normally （）.

A.increase
B.not change
C.decrease
D.be exactly 60 hertz
单项选择题
Current flowing in only one direction is called （）

A.alternating current
B.omnidirectional current
C.direct current
D.sinusoidal current
微信小程序免费搜题

All Rights Reserved 版权所有©牛牛题库网(nntiku.com)

备案号：湘ICP备2022003000号-1

微信扫一扫,加关注免费搜题

微信扫一扫,加关注免费搜题