When you are making a high potential test on a piece of repaired electrical machinery, a rise in leakage current indicates _______.A.good insulationB.bad insulationC.high insulation power factorD.a high slot discharge factor
When you are making a high potential test on a piece of repaired electrical machinery, a rise in leakage current indicates _______.
A.good insulation
B.bad insulation
C.high insulation power factor
D.a high slot discharge factor
相关考题：
There is something wrong with my TV set;I must have it _____.A. repairingB. repairC. to repairD. repaired
YouhaveaWindowsServer2008R2Hyper-Vfailovercluster.YoumanagethevirtualenvironmentbyusingMicrosoftSystemCenterVirtualMachineManager（VMM）2008R2.Youneedtofindoutwhetherthefailoverclusterisproperlyconfiguredtosupporthighlyavailablevirtualmachines（VMs）.WhichPowerShellcmdletshouldyourun？（）A.Test-ClusterB.Enable-VMHostC.Get-VMHostRatingD.Test-ClusterResourceFailure
Why do you want a new job ______you've got such a good one already?A. thatB. whereC. whichD. when
Vessels carrying ______ must not willfully wash decks or holds．A.General cargoB.Steel productsC.Harmful cargoD.Machinery
Is this the mobile phone that you want to __________ A.have repairedB.have it repairedC.have repaired itD.repaired
在以下open语句中哪一项无法对文本文件test.txt进行内容删除或修改？A．fp = open('test.txt', 'r+')B．fp = open('test.txt', 'a')C．fp = open('test.txt', 'r')D．fp = open('test.txt', 'w')
在以下open语句中哪一项无法对文件test.txt进行内容删除或修改？A．fp = open('test.txt', 'r+')B．fp = open('test.txt', 'a')C．fp = open('test.txt', 'r')D．fp = open('test.txt', 'w')
8、R软件中进行Spearman 秩相关检验的函数通常是 。A．cor.test()B．kruskal.test()C．wilcox.test()D．binom.test()