单选题The main propulsion diesel continues running after you try to shut downYoushould now attempt to（）Astop the combustion air supplyBengage the jacking gearCsecure the lube oil pumpDshut off the fuel at the day tank
单选题
The main propulsion diesel continues running after you try to shut downYoushould now attempt to（）
A
stop the combustion air supply
B
engage the jacking gear
C
secure the lube oil pump
D
shut off the fuel at the day tank
参考解析
解析：
暂无解析
相关考题：
The main propulsion diesel continues running after you try to shut down. You should now attempt to .A.stop the fuel oil booster pumpB.engage the jacking gearC.secure the lube oil pumpD.shut off the fuel at the settling tank
单选题On a large low-speed main propulsion diesel engine, lower main bearing wear is usually measured by using a/an （）Adial indicatorBoutside caliperCbridge gaugeDtram rod
单选题Telescopic pipes to the piston of a large slow-speed main propulsion diesel engine are designed to prevent （）.Aexcessive crankcase pressureBexcessive lube oil temperatureCcontamination of the lube oil by waterDcontamination of the cooling water by lube oil
单选题The opening of an exhaust valve on a modem, large, low-speed, main propulsion diesel engine may be actuated by （）.Adirect action of cam shaftBcompressed air pressureChydraulic “push rods”Ddirect action of the main piston moving down
单选题Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.Awheelhouse control stationBengine room control stationCcaptains officeDchief engineers office
单选题The purpose of an oil mist detector in a main propulsion diesel engine is to warn of （）Aexcessive mist density in the crankcasesBexcessively high crankcase vacuumCexcessively high bearing temperatureDexcessive carbon buildup in the lube oil
单选题In order to start a large, low-speed, main propulsion diesel engine on high viscosity fuel after an extended shutdown, the （）Afuel must be preheatedBintake air should be preheatedClube oil outlet temperature should be increased 20℃ above normalDnone of the above
单选题What is an advantage of a steam turbine over a diesel for the main propulsion?（）AFaster response from ahead to asternBLess fuel consumptionCCheaper initial installation costDLess weight per unit of horsepower
单选题Immediately after starting a diesel engine, normal raw water and jacket water pressure are indicatedHowever, the jacket water temperature continues to rise, if there is no change in the sea temperature, you should suspect（）Aoverloading in all cylindersBa jammed three-way thermostatic valveCchromate PH too lowDa high level in the surge tank
单选题To correct a hunting problem in a main propulsion diesel engine hydraulic governor, you should （）.Aincrease the governor oil pressureBadjust the speed droop settingCadjust the speeder spring travelDadjust the compensating needle valve
单选题When attempting to start a main propulsion diesel engine, the engine, the engine turns at the proper speed but will not startYou should check the（）Astarting air pressureBscavenge air pressureCover-speed tripDbanjo oiler line
单选题If a main propulsion diesel engine hunts excessively at idle speed, you should （）Aadjusts the idle speed controlBdrain and flushes the governor and replace the oilCadjusts the compensating needle valve
单选题Loss of lubricating oil pressure to the main propulsion diesel engine will actuate a/an （）.Aoverspeed tripBaudible/visual alarmCthe ships/boats general alarmDreserve oil storage tank
单选题In a large, slow-speed, main propulsion diesel engine, which of the parts listed is under tension when the engine is running?（）ABed plateBColumnCEntablatureDTie rod
单选题A large, low-speed, main propulsion diesel engine uses sea water to directly cool the （）.Acylinder headsBexhaust valvesCscavenging airDinjectors
单选题Which of the listed types of starting systems is often used on large, low-speed, direct reversing, main propulsion diesel engines?（）AElectricBHydraulicCAirDAll of the above
单选题To determine the main bearing clearance of a propulsion diesel engine, you should measure the main bearing shell using a ball anvil outside micrometer and measure the crankshaft journal using a/an （）AtelescopingBring ‘snap’ gaugeCinside vernier caliperDoutside micrometer
单选题In a main propulsion turbocharged diesel engine, the speed of the turbocharger varies according to the （）Agovernor droopBspeeder spring tensionCfuel rack lagDload on the engine
单选题The closing of the exhaust valves used on a modern, large, low-speed, main propulsion diesel engine may be directly provided by （）.Alarge conical springsBcompressed air pressureChydraulic pressureDexhaust gas pressure
单选题The main propulsion diesel continues running after you try to shut downYoushould now attempt to（）Astop the combustion air supplyBengage the jacking gearCsecure the lube oil pumpDshut off the fuel at the day tank
单选题When running a large, low-speed, main propulsion diesel engine on heavy fuel, which of the following precautions should be observed when switching back over to diesel oil?（）AThe diesel oil must never be allowed to mix with the heavy fuelBThe temperature of the fuel from the pre–heater should be gradually reduced after switching over the three–way valveCThe heating steam to the pre-heater should be secured as soon as the diesel fuel passes through the three-way valveDThe heating steam must be secured before the diesel oil passes through the three-way valve
单选题A possible cause for an individual piston to knock when at TDC on a slow-speed, two-stroke/cycle main propulsion diesel engine could be due to （）Aearly fuel injectionBexcessive bearing play within the running gearCoverloading of the cylinderDall of the above
单选题Which of the following conditions may need to be reduced when operating a large, low speed, main propulsion, diesel engine at low loads?（）AInjection pressuresBControl air supply pressureCCooling water flow through after-coolersDLube oil temperature