单选题The quality of the fuel oil and lube oil （）, Im afraid.Ahas much to do with the operation of the engine and its lifeBhave much to do with the operation of the engine and its lifeChas much doing with the operation of the engine and its lifeDhave much doing with the operation of the engine and its life
单选题
The quality of the fuel oil and lube oil （）, Im afraid.
A
has much to do with the operation of the engine and its life
B
have much to do with the operation of the engine and its life
C
has much doing with the operation of the engine and its life
D
have much doing with the operation of the engine and its life
参考解析
解析：
暂无解析
相关考题：
199 During extremely cold weather, while starting an engine,it turns too slowly and fails to start.This problem is most likely theresult of() A.high fuel oil viscosityB.low fuel oil temperatureC.high lube oil viscosityD.energized alow plugs
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
If a used lube oil analysis indicates excessive chromate content, this meansA.air filtration is inadequateB.engine coolant is leaking into the lube oilC.fuel oil is leaking into the lube oilD.the piston rings are excessive worn
单选题A decrease in the flash point of diesel engine lube oil indicates the lube oil has become （）.Acontaminated with sludgeBcontaminated with carbonCdiluted with fuel oilDdiluted with water
单选题Black smoke exhausting from a diesel engine indicates（）Aproper fuel injectionBwater in the fuelCincomplete combustionDburning of lube oil
单选题A dirty lube oil strainer can result in（）AcrankcaseBlow lube oil temperatureCexcessive oil consumptionDlow bearing oil pressure
单选题The lube oil cooler is located after the lube oil filter in order for （）Athe filter to operate more efficientlyBthe lube oil cooler to be bypassedCpositive lube oil pump suction to be assuredDgalvanic action in the cooler to be minimized
单选题Excessive lubricating oil consumption in a running diesel engine can be caused by （）Aclogged lube oil pipingBexcessive valve-guide clearanceChigh lube oil viscosityDlow lube oil temperature
单选题Fuel oil contamination of an auxiliary diesel engine lube oil can result in（）Aan increased flash pointBhigher lube oil pressuresCan increased viscosityDlower lube oil pressures
单选题A diesel engine is turned at normal cranking speed and no ignition occursThis could be the result of （）Alow lube oil temperatureBlow starting air temperatureCair bubbles in the fuel oil systemDwater in the starting air system
单选题During extremely cold weather, while starting an engine, it turns too slowly and fails to startThis problem is most likely the result of （）Ahigh fuel oil viscosityBlow fuel oil temperatureChigh lube oil viscosityDenergized glow plugs
单选题When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.Afilter to remove the fuel oilBuse the settler to remove the fuel oilCremove the fuel oil by centrifugingDdrain and then renew the lube oil supply
单选题Air in the fuel can cause（）Ahigh lube oil temperatureBblue smokeCthe engine to stopDpiston seizure
单选题Diesel engine fuel oil contamination often results in （）Agovernor malfunctionsBfuel injection system malfunctionsChigh cylinder lube oil temperaturesDlow intake temperatures
单选题It is necessary for us （） after having served for a certain period.Ato change the lube oilBhave the lube oil purifiedChave the lube oil burntDto analyze the lube oil
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
单选题A sudden decrease in the diesel engine lube oil viscosity could be an indication of（）Aloss of additives from the lube oilBcarbon deposits in the lube oilCexcessive centrifugingDexcessive fuel dilution
单选题Diesel engine lube oil diluted with fuel oil is indicated by（）Adecreased viscosityBdecreased pour pointCincreased flash pointDincreased viscosity
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When fuel oil is accidentally missed with lube oil which of the following processes can be used to separate them?（） Ⅰ.filtering Ⅱ.settlingAⅠ onlyBⅡ onlyCeither Ⅰ or ⅡDneither Ⅰ or Ⅱ
单选题The ignition quality of a diesel fuel oil is indicated by the （）Aspecific gravityBcetane numberCviscosityDcalorific valve
单选题Sludge formation in a diesel engine lube oil system is caused by（）Acarbonization of oils from the combustion chambersBemulsions of lube oil and waterCcoagulation of unburned fuel below the piston ringsDall of the above
单选题If a used lube oil analysis indicates excessive fuel dilution, the lube oil should be （）AchangedBcentrifugedCfilteredDsettled
单选题Lubricating oil viscosity in an operating diesel engine can be reduced by（）Aincreasing cooling water flowBincreasing lube oil flowCdilution by fuel oilDadding SAE 70 oil
单选题When comparing different fuels for different engines, the ignition quality of diesel fuel oils becomes a less critical consideration as （）Athe amount of lube oil additives increaseBpiston speeds increaseCinjection pressure decreaseDengine speeds decrease