【判断题】
微分变换器接线相同。
A. 对
B. 错
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答案
B
解析
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J
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B. 错
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变电所变压器常见预告信号有过负荷.油温过高.瓦斯动作信号。
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“掉牌未复归”光字只有在全部信号继电器的掉牌复位后才能熄灭。
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进行光字实验时1YBM带正电.2YBM带负电。
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事故音响信号是由警铃发出的音响。
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当操作把手的位置与断路器的实际位置对应时,开关位置指示炳闪光。
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断路器的位置指示灯应布置在其控制开关的上方,红灯在右,绿灯在左。
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在发电厂和变电所内对断路器的分合闸控制是通过断路器的控制回路来实现的。
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跳跃闭锁继电器的电流启动线圈串联于合闸回路中。
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电容式重合闸中间继电器的2个接点应当串联使用。
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两相不完全星形接线法。
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变压器差动保护反映该保护范围内的变压器内部及外部故障。
A. 对
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根据变压器的容量及其在系统中作用的不同,可以采用不同方式的过电流保护。
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电工仪表由测量机构和测量线路组成,其中测量线路是仪表的核心。
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仪表的准确度越高,则误差越小。
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各种仪表,不论质量如何,在测量时都有误差。
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绝缘靴.绝缘手套.验电器的耐压试验周期均为半年。
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作业机具和安全工器具应有专用库房(工具柜),应存放在适用的柜内或架上,库房(工具柜)应经常保持干燥.通风,温度为-65℃~+35℃.相对湿度为80%以下。
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每组接地线均应编号,并存放在固定地点。存放位置亦应编号,接地线号码与存放位置号码可以不一致。
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电动机具在运行中不应进行检修或调整。
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使用电气工具时,不应拖.提着电气工具的导线或转动部分。
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绝缘操作杆.验电器和测量杆允许使用电压应与设备电压等级相符。
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高压设备发生接地时,室内不准接近故障点2m以内,室外不准接近故障点4m以内,进入上述范围人员应穿绝缘靴,接触设备的外壳和构架时,应戴绝缘手套。
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小组工作票上所列的安全措施应与第一种工作票上所列的安全措施相符。
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B. 错
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B. 错
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vSphere DRS helps to balance virtual machines with available resources in a vSphere cluster. What three types of resources can be taken into account for balancing? (Choose three.)___
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When using "Cluster resource percentage" for host failover capacity in vSphere HA Admission Control, the total resource requirements are calculated from which two values? (Choose two.)___
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