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
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 BYPASS
- B、OIL PUMP PRELUBE BEFORE START TIMER
- C、OIL PRESSURE BYPASS ALLOW TIMER
- D、OIL PRESSURE FAILURE DELAY TIMER
相关考题：
In an auxiliary diesel engine bypass type lubricating oil system, the main lube oil pump forces_______ .A.all of the oil used by the engine through a filterB.some of the oil used by the engine through a filterC.some of the oil used by the engine through a centrifugeD.all of the oil used by the engine through a centrifuge
丙烷机安全设定值菜单（）功能是丙烷机入口压力低安全设定值，报警值5英寸汞柱，关断值3英寸汞柱，复位值6PSIA、LO OIL INJECTION TEMPERATUREB、HI OIL INJECTION TEMPERATUREC、LO SUCTION PRESSURED、HI DISCHARGE PRESSURE
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
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
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、D、CAPACITY INREASE SOLENOID ON TIMER
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
控制时间限设定值菜单（）功能是当在一定时间内压缩机的启动次数达到该设定值时，压缩机将在一个小时内无法启动。A、STOP LAG COMPRESSOR TIMERB、FORCE START LAG COMPRESSOR TIMERC、HOT STARTS/HR COUNTERD、START LAG COMPRESSOR TIMER
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
丙烷机安全设定值菜单（）功能是丙烷机出口压力高安全设定值，报警值240PSI，关断值250PSI，复位值240PSIA、LO OIL INJECTION TEMPERATUREB、HI OIL INJECTION TEMPERATUREC、LO SUCTION PRESSURED、HI DISCHARGE PRESSURE
丙烷机控制时间限设定值菜单（）功能是在自动加/减载模式下，如果需要降低丙烷机的负载，加/减载电磁阀将会在定时器的时间长度内对丙烷机进行减载。A、CAPACITY INCREASE SOLENOID OFF TIMERB、CAPACITY DECREASE SOLENOID ON TIMERC、CAPACITY DECREASE SOLENOID OFF TIMERD、SLIDE VALVE RETURN AT SHUTDOWN TIMER
丙烷机控制时间限设定值菜单（）功能是在自动加/减载模式下，如果需要增加丙烷机的负载，加/减载电磁阀将会在定时器的时间长度内对丙烷机进行加载A、LO RUN OIL PRESSUREB、HI START FILTER DIFFERENTIAL PRESSUREC、HI RUN FILTER DIFFERENTIAL PRESSURED、D、CAPACITY INREASE SOLENOID ON TIMER
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
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
单选题Overheating of a hydraulic system may be a result of （）.Achanging pump discharge pressure in response to normal load variationsBa high oil levelCincorrect fluid viscosityDcontinued slow re-circulation of the oil
单选题To determine if the lube oil filter elements need changing, （）.Aopen the filter and inspect the elementsBcheck the lube oil pump discharge pressureCcheck the lube oil header pressureDcheck the pressure drop across the filter
单选题In general, the oil mist defectors include a base plate with air blast pumpThe function of air blast pump is to （）crankcase.Asupply clean air to the measuring compartment of the units for more accuracyBgeneraate the pressure required for the extraction of the oil mist from theCgenerate the pressure required for the extraction of the oil mist from the crankcaseDsupply clean air to the measuring track of the units for more accuracy
单选题At which of the following locations would a duplex pressure gage most likely be located?（）AFuel oil service pump dischargeBFuel oil strainerCFuel oil heaterDFuel oil flow meter
单选题Ignition failure in an automatically controlled auxiliary boiler could be caused by（）Acarbon deposits on the flame scannerBhigh fuel oil temperatureClow fuel oil viscosityDhigh steam pressure
单选题Before starting a diesel engine that has an engine driven lube oil pump, the engineer should （）.Aopen the bypass lineBcut in the lube oil coolerCpressurize the lube oil systemDtop off the expansion tank
单选题An axial piston, variable stroke pump is used in a vessels hydraulic steering gearUnder pressure, oil continually leaks out from between the valve plate/cylinder barrel and will（）.Acause loss of hydraulic oil from the systemBresult in extreme damage to the pumpCcause damage to the pump ff not continually drained from the pump casingDresult in the system high side pressure to substantially drop off
单选题In a bypass type lubrication system for a diesel engine, the dirty oil line to the centrifuge should be taken from the （）.Alube oil pump suction lineBlube oil pump discharge lineCbottom of the lube oil sumpDoutlet from the lube oil header
单选题Auxiliary diesel engines can be automatically shut down as a result of （）Alow lube oil temperatureBlow lube oil pressureChigh exhaust temperatureDhigh cooling water pressure
单选题If a diesel engine fails to start，one of the likely causes is （）Alow compression temperatureBlow ambient air pressureChigh lube oil pump pressureDhigh fuel oil booster pump pressure