在ZZ8L-2.5型煤电钻变压器综合保护装置在送电打眼情况下,通过1KΩ电阻将任一相电缆接地,漏电保护应动作并有显示。()
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微生物营养群trophicgroupsofmicroorganisms
IEC60870-5-101规约传输方式非平衡式传输。
A. 正确
B. 错误
用QSBH-160/1140Z双速真空磁力起动器对双速电动机进行控制时,粗调开关应按被控双速电动机低速绕组额定电流选取挡位。()
A. 正确
B. 错误
Exhibit: The following are true with one of the TestKing routers: 1) The IOS image in flash is missing 2) No Network connectivity is available. 3) The router fallback IOS image is corrupt. How will this Cisco 2600 series router respond if the conditions listed in the exhibit exist during the boot process?()
A. The router will enter setup mode.
B. The router will enter ROM monitor mode.
C. The router will enter global configuration mode.
D. The boot will hang until an IOS is available.