If the bowl of a disk type centrifugal purifier when operated as a separator is not primed, the

A．oil has a tendency to emulsify in the bowl

B．purifier will act as a clarifier at the discharge ring

C．oil will be lost through the water discharge ports

D．oil solids will be deposited only at the intermediate top disk

[单选题]When reassembling the bowl of a disk-type centrifuge, the bowl or locking ring is rotated （）.A . clockwise, due to the bowl rotating clockwiseB . clockwise, due to the bowl rotating counterclockwiseC . counterclockwise, due to the bowl rotating clock

[单选题]在使用InstallShield打包的“建立磁盘映像”步骤中，Disk Type对话框的作用是（）。A .编译工程对象B .对磁盘映像文件的概要信息做一小结C .设置打包分装后的磁盘映像文件的存放目录D .选择磁盘映像的容量

[单选题]Disk boot failure insert system disk and pressenter是什么意思（）A .系统错误引起文件丢失B .内存条问题引起文件丢失C .系统问题电子盘丢失D .系统问题引起文件丢失

[单选题]High-speed rotating in a centrifugal purifier can produce a force （） larger than the force of gravity.A . many thousand timesB . between timesC . one timeD . at time

[单选题]A disk scheduling mechanism in an operating system causes the disk arm to s

[单选题]“use bowl”的中文意思是（）。A .用刀B .量碗C .用碗D .量杯

[单选题]A disk scheduling mechanism in an operating system causes the disk arm to sweepbackand forth across the disk Surface servicing all requests in its path．This is a (73) ．(73) A．First Come First ServeB．Shortest Seek Time FirstC．ScanD．None of the above

[单选题]A． disk scheduling mechanism in an operatingsystem causes the disk arm to sweepback and forth across the disk surface servicing all requests in its path. This is aA．First Come First ServeB．Shortest Seek Time FirstC．ScanD．None of the above

[单选题]A disk scheduling mechanism in an operating system causes the disk arm to sweepback and forth across the disk surface servicing all requests in its path. This is a （） :（）A. First Come First Serve B. Shortest Seek Tn-ne FirstC. Scan D. None of the abo

[试题]When should data be set to disk for safekeeping during the ETL?简述ETL过程中哪个步骤应该出于安全的考虑将数据写到磁盘上？