单选题If a diesel engine runs roughly, which of the systems listed is most likely to be at fault?（）AFuelBLubricatingCCoolingDIgnition
单选题
If a diesel engine runs roughly, which of the systems listed is most likely to be at fault?（）
A
Fuel
B
Lubricating
C
Cooling
D
Ignition
参考解析
解析：
暂无解析
相关考题：
Which of the listed factors will indicate the most about the ability of a fuel to ignite in a diesel engine?A.ViscosityB.Sulfur contentC.Pour pointD.Cetane number
单选题Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）AImpellerBCompressorCAfter-coolerDExhaust differ
单选题Which of the listed problems would be indicated by an accumulation of water in one cylinder, in addition to the crankcase of an idle diesel engine?（）AExcessive cylinder linerBwater in the fuel systemCCracked cylinder linerDLeaking lube oil cooler
单选题To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）ASpeed limiting governorBOver-speed governorCOver-speed tripDOver-speed relay
单选题Which of the devices listed is installed on a diesel engine to isolate some of the crankshaft vibrations caused by rotational and reciprocating forces?（）APlanetary gear setBTorsional vibration damperCFriction clutchDAir bladder clutch
单选题Which of the listed problems can be a cause of low compression pressure in a diesel engine?（）Aclogged air filterBcompression strokeCburned exhaust valvesDall of the above
单选题Which of the listed conditions can cause a diesel engine to use too much lube oil?（）ADirty lube oil filterBToo much piston ring wearCHigh lube oil viscosityDLow lube oil temperature
单选题Which of the diesel engine cylinder liners listed has internal cooling water passages?（）AInternally finned linerBExternally finned linerCWet linerDIntegral water-jacket liner
单选题Which of the listed diesel engine systems is likely to create the problem of a cylinder regularly misfiring?（）ALubricationBCoolingCFuelDElectric ignition
单选题Which of the listed diesel engine operating conditions should be checked immediately after any diesel engine is started?（）AExhaust temperatureBLube oil levelCLube oil pressureDWater level in the expansion tank
单选题Which of the listed conditions will occur if a diesel engine exhaust valve is leaking?（）ALoss of compression for that cylinderBMisfiring or rough runningCDamage to the valveDAll of the above
单选题In which of the listed hydraulic systems will the installation of an oil cooler be necessary?（）AConstant tension mooring winch systemBHatch cover systemCWatertight door systemDInternal combustion engine hydraulic starter system
单选题As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）AExhaust temperaturesBRaw water pressureCLube oil pressureDAir box pressure
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Which of the combustion parameters listed is used in a diesel engine, but NOT related to the injection system?（）AAtomizationBMeteringCEffective strokeDPenetration
单选题Which of the listed factors will indicate the most about the ability of a fuel to ignite in a diesel engine?（）AViscosityBSulfur contentCPour pointDCetane number
单选题During which of the listed piston stroke of a four-stroke/cycle diesel engine, is the piston moving downward?（）AIntake strokeBCompression strokeCExhaust strokeDPumping stroke
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When the diesel is stopped, which of the following items is wrong?（）Akeep all systems in normally runningBthe main engine is stand-byCshut off the starting air bottle outlet valveDpay attention to the changes of the system parameters
单选题Lubricating oil systems for diesel engine journal bearings are usually lubricated by which of the following types of lubricating oil systems?（）ASplashBGravityCPressureDBypass
单选题Which of the listed conditions will affective pressure the most in the cylinder of a diesel engine?（）ATBN of the lubricating oilBTemperature of the lube oilCCompleteness in the mixing of the fuel and airDTemperature of the cooling (sea) water
单选题If a crankcase explosion occurs in a diesel engine, which of the listed actions should be taken?（）AOpen the crankcase immediately to check for damageBApply fire fighting water through the crankcase breatherCAllow the engine to cool before opening the crankcaseDAssume that there is no damage to the crankshaft
单选题Following an overhaul of a crosshead type diesel engine, the engine is jacked over with the turning gear as part of the pre-start procedure, which of the listed pre-start procedures should be carried out?（）AEnsure proper cylinder lube oil flowBOpen all air space drain cocksCOpen all indicator valvesDall of the above
单选题Which of the listed failures, occurring in an automated diesel generator system, should cause an audible alarm at the engine room control station?（）ALow cooling water outlet temperatureBHigh lube oil pressureCLow lube oil temperatureDLow starting air pressure