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 listed conditions can cause a diesel engine to use too much lube oil?（）
A
Dirty lube oil filter
B
Too much piston ring wear
C
High lube oil viscosity
D
Low lube oil temperature
参考解析
解析：
暂无解析
相关考题：
Which of the listed conditions can be considered as the single greatest cause of accidents?A.SpeedB.Excessive knowledge or skillC.Human errorD.Excitement
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Stating a large propulsion diesel engine using diesel fuel during cold weather conditions can be made easier by （）Aincreasing the quantity of starting airBincreasing the lube oil pressureCheating the engine fuel supplyDheating the engine jacket water
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 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Which of the listed conditions can cause lacquer to be deposited on a piston skirt?（）AHigh sulphur content fuelBHigh lube oil temperaturesCHigh vanadium content fuelDExcessive piston slap
单选题Which of the conditions listed could cause the cylinder relief valves on a large, low-speed, propulsion diesel engine to lift?（）APlugged injector nozzlesBExcessive fuel injectionCVery late injection timingDIncorrect crankshaft clearance
单选题Which of the listed conditions can be considered as the single greatest cause of accidents?（）ASpeedBExcessive knowledge or skillCHuman errorDExcitement
单选题Which of the following conditions can cause excessive lube oil consumption in a diesel engine?（）ALow lube oil temperatureBDirty lube oil strainerCLow lube oil pressureDHigh lube oil temperature
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Which of the following conditions could be a cause of excessive fuel dilution of diesel engine lube oil?（）ALeaking fuel injectorsBLower than normal compressionCDelayed fuel injectionDAll of the above are correct
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Broken intake valve springs on one cylinder of a diesel engine can cause the engine to （）AOver speedBfire improperlyClose oil pressureDoverheatrapidly
单选题The arrangement and shape of the cams on a diesel engine camshaft directly control which of the listed groups of operating conditions?（）Aspeed, torque, and horsepower productionBfiring order, valve timing, and valve liftCfuel consumption, efficiency, and cylinder pressureDscavenge pressure, compression ratio, and exhaust pressure
单选题Under which of the listed conditions can the engine room retake the throttle control from the bridge（）.AAny time it is deemed necessaryBOnly with the masters permissionCAfter a 10 minute delay to the input commandDOnly after the throttle has been placed in stop
单选题Which of the following problems can cause fluctuating pressures in the closed cooling system of a main propulsion diesel engine?（）ADefective temperature controls in the systemBCavitation in the cooling water pumpCOpened vent in the cooling systemDRestricted water passages in the engine
单选题Which of the following conditions can cause above normal air temperature to develop in the intake manifold of a four-stroke/cycle turbo-charged diesel engine?（）AClogged air intake faltersBPiston blow-byCA defective after-coolerDFaulty exhaust valves
单选题Which of the following conditions can cause below normal air pressure in the intake manifold of a turbocharged diesel engine?（）AExcessive piston blow-by to the manifoldBInsufficient cooling water flowCAccumulated water in the air boxesDClogged air intake filters
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Which of the following conditions would cause carbon deposits to form in the piston ring belt of a diesel engine?（）Afaulty combustionBexcessive ring temperatureCover lubricationDall of the above
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