当前位置:二建市政工程专业继续教育题库

问题:

[单选] 关于给水塑料管道铺设和连接,哪项叙述不正确?()

A . A.采用承插式(或套筒式)接口时,宜人工布管且在沟槽内连接;槽深大于4m或管外径大于400mm的管道,宜用非金属绳索兜住管节下管;严禁将管节翻滚抛入槽中
B . B.承插式柔性接口连接宜在当日温度较高时进行,插口端不宜插到承口底部,应留出不小于10mm的伸缩空隙,插入前应在插口端外壁做出插入深度标记:插入完毕后,承插口周围空隙均匀,连接的管道平直
C . C.采用电熔、热熔接口时,宜在沟槽边上将管道分段连接后以弹性铺管法移入沟槽;移入沟槽时,管道表面不得有明显的划痕
D . D.管道与井室宜采用柔性连接,连接方式符合设计要求;设计无要求时,可采用承插管件连接或中介层做法

渐变群 You are the network administrator for The network consists of a single Active Directory domain named All network servers run Windows Server 2003. A member server named TK1 contains a single SCSI hard disk. Users report that server performance is slow. You configure System Monitor to report performance values for TK1 at regular intervals. System Monitor reports the following values over six 30-second intervals. You need to improve disk performance. What should you do?() Replace the existing hard disk with a striped volume that uses disks with performance characteristics similar to those of the existing hard disk.。 Replace the existing hard disk with a RAID-5 disk array that uses disks with performance characteristics similar to those of the existing hard disk.。 Use Disk Management to clear the Compress drive to save disk space option on the dynamic volume.。 Use Disk Management to disable write caching on the physical disk.。 气泵压力设定不当会造成机床()的现象。 无气压。 气压过低。 气泵不工作。 气压表损坏。 非市场途径获取资源主要有资源积累和资源()两种方式。 创新。 吸引。 引进。 开发。 怎样理解布封所说的“风格却就是本人”? 关于给水塑料管道铺设和连接,哪项叙述不正确?()
参考答案:

  参考解析

本题暂无解析

在线 客服