油压千斤顶（）A、oil jackB、oil liftC、oil topD、oil pump
油压千斤顶（）
- A、oil jack
- B、oil lift
- C、oil top
- D、oil pump
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
OIL-IN-WATER are ______．A.sediment of oil in waterB.oil dissolvents in waterC.solid oil aggregatesD.droplets of oil suspended in water
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
单选题In a full flow type lube oil system, the bypass relief valve will lift due to （）Aa clogged filter elementBexcessive lube oil pump discharge pressureCexcessive lube oil flowDexcessively hot lube oil
单选题What type of oil is not covered in the oil pollution law?（）Amineral oilBmachinery oil being transferred for shipboard useCcrude oil unrefinedDnormal bilge oil and water
单选题Surface irregularities, such as erosion and pitting on injection pump plungers, will（）Aincrease ignition delayBaffect fuel oil meteringCaffect engine performance at low speedDonly disappear due to fuel oil abrasion
单选题Which of the following is operated from the main engine room console on an automated vessel?（）AFire pump and lube oil pumpBLube oil pump and distilling plantCDistilling plant and shaft alley doorDShaft alley door and fixed CO2 release
单选题Which of the following conditions indicates the dilution of diesel engine lube oil by fuel oil?（）AWater discharging from the water outlet of the lube oil purifierBFuel oil discharging from the water outlet of the lube oil purifierCLube oil discharging from the water outlet of the lube oil purifierDA change in the lube oil viscosity
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The time of discharging oil is short, but oily water separator discharges oil frequentlyThe possible reason is （）Athe sensor of low oil level is fully covered by sludgeBthe coarse strainer before the pump in suction system is cloggedCthe screw pump is worn seriously and volumetric efficiency is decreasedDbilge suction value is clogged
单选题The safe rate of bunkering heavy fuel oil is directly related to the （）.Atype of fuel transfer pump aboardBtemperature of the fuel oil being receivedCsize of the fuel storage tanks ashoreDdistance from the fuel oil storage tanks ashore
单选题If an emergency pump control is used as the emergency shutdown on a tank vessel，it must（）.Astop the flow of oil at the main deck manifoldBprevent the oil from leaving the shore facilityCprevent the oil from siphoning through the pumpDNone of the above
单选题Lube oil in the fresh water cooling system of a diesel engine may result from a （）Acamshaft seizureBlube oil pump failureClube oil cooler failureDlube oil pump overflow
单选题Oil water separators are used to ensure that ships don’t discharge oil when （） bilge water.Ato pump offBbeing pumpedCpumping outDit pumping out
单选题If an emergency pump control is used as the emergency shutdown on a tanker，it must（）.Astop the flow of oil at the main deck manifoldBprevent the oil from leaving the shore facilityCprevent the oil from siphoning through the pumpDNone of the above
单选题Fuel oil discharged to the diesel engine cylinder is atomized at the （）AturbochargerBinjection nozzle tipCcarburetorDfuel oil pump
单选题Which of the following machinery space operations is required to be logged in the Oil Record Book?（）ABallasting or cleaning of fuel oil tanksBShifting suction of main fuel pump to reserve fuel oil tankCChanging out sprayer plates to adjust for steam demandDDaily inspection of engine room bilges
单选题Which harmful consequence may be the result of lube oil sludge accumulation? （）AClogged oil pump suction screensBIncreased oil operating temperaturesCSticking piston ringsDAll of the above
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In cleaning up an oil spill, the use of chemical agents would （）.Aabsorb the oil for easy removalBremove the oil from the waterCdisperse or dissolve the oil in the waterDnot affect the oil
单选题The （）pump is usually used as the lubricating oil pump.AturbineBscrewCvaneejectorDcentrifugal
单选题In a marine diesel engine the oil sump is （）.Ajust below the crankcaseBthe oil cup for the exhaust valveCthe pan for collecting drain fuel oilDoil circulating pump
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