In a flash evaporator, scale as a result of higher than normal temperatures in most likely to occur in the ()
A、second stage feed heater
B、saltwater feed heater
C、distillate cooler
D、second stage vapor separator
A、second stage feed heater
B、saltwater feed heater
C、distillate cooler
D、second stage vapor separator
A、deaerate the first effect distillate B、filter the condensed flash vapors C、deaerate the first and second effect distillate D、remove small water droplets entrained in the flashed vapor
A、A flashing light combined with a fixed light of greater brightness B、Light flashes combined in groups,with a different number of flashes in each group C、A light showing groups of two or more flashes at regular intervals D、A fixed light varied at regular intervals by groups of two or more flashes of greater brightness
A、A. Change the RMAN archived log deletion policy B、B. Use the RMAN CROSSCHECK command to reclaim the archived log space C、C. Change the RMAN retention policy to retain backups for a shorter period of time D、D. Use OS command to move files from the flash recovery area to some other location
A、Flash,TFTPserver,ROM B、Flash,NVRAM,ROM C、ROM,NVRAM,TFTPserver D、NVRAM,TFTPserver,ROM E、TFTPserver,Flash,NVRAM
A、Flash,TFTPserver,ROM B、Flash,NVRAM,ROM C、ROM,NVRAM,TFTP server D、NVRAM,TFTP server,ROM E、TFTP server,Flash,NVRAM
A、Flash,TFTP server,ROM B、Flash,NVRAM,ROM C、ROM,NVRAM,TFTP server D、NVRAM,TFTP server,ROM E、TFTP server,Flash,NVRAM
A、high temperature distillate can be re- circulated to induce additional flashing B、scale formation is not a severe problem C、cold shocking is more effective in removing scale D、water purity is greatly increased at high capacity
A、blue rotating light B、intermittent flashing amber/yellow light C、flashing white light D、flashing sidelight
A、A.Flash,TFTP server,ROM B、B.Flash,NVRAM,ROM C、C.ROM,NVRAM,TFTP server D、D.NVRAM,TFTP server,ROM E、E.TFTP server,Flash,NVRAM