控制时间限设定值菜单()功能是在丙烷机启动过程中旁通润滑油注入温度低信号的时间长度。A、LO OIL INJECTION TEMPERATURE BYPASSB、FILTER DIFFERENTIAL PRESSURE CHANGE-OVER TIMERC、PUMP RUN LIMIT WITHOUT OIL PRESSURE TIMERD、AUTO RESTART AFTER POWER FAILURE TIMER

控制时间限设定值菜单()功能是在丙烷机启动过程中旁通润滑油注入温度低信号的时间长度。

  • A、LO OIL INJECTION TEMPERATURE BYPASS
  • B、FILTER DIFFERENTIAL PRESSURE CHANGE-OVER TIMER
  • C、PUMP RUN LIMIT WITHOUT OIL PRESSURE TIMER
  • D、AUTO RESTART AFTER POWER FAILURE TIMER

相关考题:

控制时间限设定值菜单()功能是此定时器将控制后级压缩机的启动直到前级压缩机的负载达到最大要求的负载。A、CAPACITY HOLD SOLENOID OFF TIMEB、CAPACITY HOLD SOLENOID ON TIMEC、ANTICYCLE START TIMED、START LAG COMPRESSOR TIMER

如果丙烷机启动后突然关停,在此定时器的设定时间内丙烷机将()A、再次启动B、无法再次启动C、运行D、都不对

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控制时间限设定值菜单()功能是当丙烷机被关停而同时收到一个启动信号时,反循环定时器将会动作,丙烷机在定时器工作时间内将无法启动。A、CAPACITY HOLD SOLENOID OFF TIMEB、CAPACITY HOLD SOLENOID ON TIMEC、ANTICYCLE START TIMED、START LAG COMPRESSOR TIMER

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丙烷机控制时间限设定值菜单()功能是不允许加/减载电磁阀得电加载的时间长度。A、CAPACITY INCREASE SOLENOID OFF TIMERB、CAPACITY DECREASE SOLENOID ON TIMERC、CAPACITY DECREASE SOLENOID OFF TIMERD、SLIDE VALVE RETURN AT SHUTDOWN TIMER

丙烷机安全设定值菜单()功能是过程控制温度高安全设定值,报警值100华氏度A、LO SUCTION TEMPERATUREB、HI DISCHARGE TEMPERATUREC、LO PROCESS CONTROL TEMPERATURED、HI PROCESS CONTROL TEMPERATURE

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压缩机急冷油泵自启动的条件是()。A、压缩机联锁B、压缩机润滑油压力低于联锁设定值C、密封油压力低于联锁设定值D、控制油压力低于联锁值

在启动丙烷制冷压缩机时如滑油温度低极限报警则()启动丙烷机A、不可以B、可以

丙烷机操作选项()当选择MIN RUN CAP ENABLE项,则压缩机的运行由最小运行负载设定值控制;此时当压缩机启动后,压缩机将会加载到最小运行负载设定值减去5%A、OPTION #5B、OPTION #2C、OPTION #3D、OPTION #4

控制时间限设定值菜单()功能是在丙烷机启动过程中旁通润滑油压力低于润滑油运行压力低关停信号的时间长度。A、MOTOR STARTER AUXILIARY CONTA、CT BYPASSB、OIL PUMP PRELUBE BEFORE START TIMERC、OIL PRESSURE BYPASS ALLOW TIMERD、OIL PRESSURE FAILURE DELAY TIMER

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丙烷机安全设定值菜单()功能是丙烷机运行过程中润滑油过滤器差压高安全设定值,报警值12PSI,关断值15PSI,复位值10PSIA、LO RUN OIL PRESSUREB、HI START FILTER DIFFERENTIAL PRESSUREC、HI RUN FILTER DIFFERENTIAL PRESSURED、D、CAPACITY INREASE SOLENOID ON TIMER