【单选题】
使用兆欧表时，摇动手柄的速度应掌握在_____r/s左右。___
A. 5
B. 4
C. 2
D. 1
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答案
C
解析
暂无解析
相关试题
【单选题】
请输入试题测量额定电压为500V以下电气设备的绝缘电阻，应选用_____V级兆欧表。___
A. 500或1000
B. 500或2500
C. 1000或2500
D. 任意
【单选题】
使用钳形电流表测量电流时，如被测电流较小，可将被测导线多绕几圈套入钳口测量，用指针所指读数_____所绕线圈数即为实际电流值。___
A. 乘以
B. 除以
C. 加上
D. 减去
【单选题】
起动电动机时，自动空气开关立即分断的原因是_____。___
A. 过电流脱扣器瞬时动作整定电流太小
B. 过电流脱扣器瞬时动作整定电流太大
C. 铁心工作面有油污，短路环断裂
D. 失压脱扣器无电压
【单选题】
YZ22型客车两端设有电气连接器，其安装规定为_____。___
A. 1、4位为插座，2、3位为插头
B. 1、3位为插座，2、4位为插头
C. 1、2位为插座，3、4位为插头
D. 不能确定
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A. People aged 16to 24.
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___坚持以人民为中心的发展思想，鲜明提出了创新、协调、绿色、开放、共享的新发展理念。
A. 党的十八大
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