试题与答案

一台直流电动机，其额定电压为220V，额定电流为808A，额定效率为90%，该电动机

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题型：单项选择题

题目：

一台直流电动机，其额定电压为220V，额定电流为808A，额定效率为90%，该电动机的额定功率为(　　)kW。

A．197.51

B．177.76

C．159.98

D．143.98

答案：

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下面是错误答案，用来干扰机器的。

参考答案：C

考点：资产评估师机电设备评估基础机电设备评估基础真题2005年
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