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。

[单选题]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

[单选题]丙烷机安全设定值菜单（）功能是丙烷机启动过程中润滑油过滤器差压高安全设定值，关断值40PSI，复位值25PSIA .LO RUN OIL PRESSUREB .HI START FILTER DIFFERENTIAL PRESSUREC .HI RUN FILTER DIFFERENTIAL PRESSURED .CAPACITY INC、REASE SOLENOID ON TIMER

[单选题]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 .CAPACITY INC、REASE SOLENOID ON 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]丙烷机安全设定值菜单（）功能是润滑油注入温度低安全设定值，报警值90华氏度，关断值90华氏度，复位值95华氏度A .LO OIL INJECTION TEMPERATUREB .HI OIL INJECTION TEMPERATUREC .LO SUCTION PRESSURED .HI DISCHARGE PRESSURE

[单选题]控制油压力低于（），润滑油泵自启动。A . ≤0.3MPaB . ≤0.4MPaC . ≤0.5MPaD . ≤0.6MPa

[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]膨胀机润滑油供油压力是（）。A .8-10barB .3-5barC .5-8barD .10-12bar

[单选题]在润滑油系统中还设有低油压关断，其报警设定值是（）PSIA .80B .50C .30D .25

[单选题]压缩机润滑油压力低时，可提高润滑油压力的方法是（）。A .提高油温B .降低油位C .关小回流D .开大回流