1.here is a CAT-II 600V rated meter most appropriate?
1.额定为 CAT-II 600V 的仪表最适用于何处?
2.What may cause incandescent bulbs to operate hotter than normal?
2.什么原因可能导致白炽灯泡的运行温度高于正常水平?
3.Why is a three-point test method used when troubleshooting?
3.在进行故障排除时,为什么要采用“三点测试法”?
4.In a new home, a duplex outlet has one half controlled by a wall switch while the other half remains energized at all times. What explains this behavior?
4.在一栋新住宅中,一个双联插座(Duplex Outlet)的一半受墙壁开关控制,而另一半则始终处于带电状态。这种现象应如何解释?
5.What is the first step to verify a repair?
5.验证维修效果的第一步是什么?
6.If an ohmmeter needle goes full scale when connected, what does it indicate?
6.如果欧姆表(电阻表)的指针在接入电路后直接偏转至满刻度,这表明存在什么情况?
7.Resistance is measured using a:
7.电阻通常使用哪种仪表进行测量?
8.After installing an electric range outlet, which test should be completed?
8.在安装完电灶插座后,应进行哪项测试?
9.Voltage is measured using a:
9.电压通常使用哪种仪表进行测量?
10.Current is measured using a:
10.电流通常使用哪种仪表进行测量?