A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）

A、purge lube oil from the liquid refrigerant

B、recover water purged from the system

C、separate foul gases from the receiver

D、purge non-condensable gases without losing refrigerant

查看正确答案

更多“A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）”相关的问题

第1题

[单选题] A centrifugal compressor’s purge recovery unit（）

A、reclaims water B、purges air without losing refrigerant C、purges air with some loss of refrigerant D、purges lube oil from the refrigerant

点击查看答案

第2题

[单选题] A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）

A、purge lube oil from the liquid refrigerant B、recover water purged from the system C、separate foul gases from the receiver D、purge non-condensable gases without losing refrigerant

点击查看答案

第3题

[单选题] You are performing an incomplete recovery because certain important tables were deleted and purged from the Recycle Bin. In which mode will you perform the recovery？（）

A、 MOUNT mode B、 RESTRICTED mode C、 OPEN mode D、 NOMOUNT mode

点击查看答案

第4题

[单选题] Which of the following files are required to start Windows XP boot process?（）

A、Ntldr, boot.ini and ntdetect.com B、IO.sys, boot.ini and ntboot.sys C、IO.sys, Msdos.sys and boot.sys D、Config.sys, msconfig.sys and boot.ini

点击查看答案

第5题

[] You want to implement the backup and recovery strategy in your database using Recovery Manager （RMAN）. You have chosen the control file of the target database for the RMAN repository. Which command-line RMAN command would you use to establish a local connection between RMAN and the RMAN repository if your database is using password file authentication？（）

A、A. rman TARGET / NOCATALOG B、B. rman TARGET sys/password C、C. rman TARGET sys/password AS SYSDBA D、D. rman TARGET sys/password@db_name CATALOG rman_user/rman_password@rcat