声屏障设置应符合铁路建筑限界的规定,安装强度须保证运输安全,并满足铁路设施检修和维护的要求,不得影响其他行车设备的安全运行。
查看答案
一个采煤工作面绝对瓦斯涌出量大于3m3/min或一个掘进工作面绝对瓦斯涌出量大于4m3/min,用其它方法解决瓦斯问题不合理的工作面,必须建立瓦斯抽放系统。
A. 正确
B. 错误
沿不同冷却条件的路径敷设绝缘导线和电缆时,当冷却条件最坏段的长度超过()时,应按该段条件选择绝缘导线和电缆的截面,或只对该段采用大截面的绝缘导线和电缆。
A. 25m
B. 15m
C. 10m
D. 5m
You are configuring a Windows Server?2008?R2 Hyper-V failover cluster. You configure five iSCSI logical unit numbers (LUNs) on shared storage, and you present them to the first server. Each LUN appears twice in the Disk Management console. You need to ensure that each LUN appears only once in the Disk Management console. What should you do?()
A. Reset the iSCSI initiator name to the default name.
B. Install and configure Microsoft Multipath I/O (MPIO).
C. In the Disk Management console, rescan the disks.
D. In the Disk Management console, configure shadow copies.