A .STOP LAG COMPRESSOR TIMER
B .FORCE START LAG COMPRESSOR TIMER
C .HOT STARTS/HR COUNTER
D .START LAG COMPRESSOR TIMER
[单选题]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
[单选题]控制时间限设定值菜单()功能是在丙烷机断电后到丙烷机重新启动之间的时间间隔。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
[单选题]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
[单选题]控制时间限设定值菜单()功能是润滑油泵预润滑时间长度。A .MOTOR STARTER AUXILIARY CONTA、CT BYPASSB .OIL PUMP PRELUBE BEFORE START TIMERC .OIL PRESSURE BYPASS ALLOW TIMERD .OIL PRESSURE FAILURE DELAY TIMER
[单选题]压缩机出口压力高,高于设定值,则离心压缩机()。A . 开放空阀B . 降转速C . 升转速D . 开防喘振阀
[单选题]压缩机出口压力高,高于设定值,则离心式压缩机()。A . 开放空阀B . 开防喘阀C . 升转速D . 降转速
[单选题]压缩机启动后,如果时间到达定时器设定时间而油压没有达到该关断值,丙烷机将()A .关停B .继续运行C .重新启动D .报警运行
[单选题]离心式压缩机出口压力高,高于设定值,则压缩机应()。A . 开放空阀B . 降转速C . 升转速D . 开防喘阀
[单选题]离心式压缩机出口压力高,高于设定值,则压缩机应()A . 开放空阀B . 降转速C . 升转速D . 开防喘阀
[单选题]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