单选题If there is water in fuel oil, the revolution of the engine will （）.AdecreaseBincreaseCbe dismantledDbe reassembled
单选题
If there is water in fuel oil, the revolution of the engine will （）.
A
decrease
B
increase
C
be dismantled
D
be reassembled
参考解析
解析：
暂无解析
相关考题：
Low compression in a diesel engine could be caused byA.worn or broken cylinder liner sealing ringsB.high cooling water temperatureC.worn or broken piston ringsD.low fuel oil pressure
Fuel has been injected but ignition fails. The possible cause may be ______.A.slightly leaky exhaust valveB.increased scavenging air temperatureC.engine cylinders not scavenged sufficientlyD.too much water in the fuel oil
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The main purpose of starting the diesel engine on air briefly is（）Ato inspect if the cylinder has the water leakageBto expel out the residual water/gas/oil from the cylinderCto check if fuel supply is normalDA and B
单选题A viscosity regulator used for an engine is usually provided in order to （） for an engine burning heavy fuel oil.Aregulate the fuel supplyBmaintain a constant fuel viscosity at the fuel valvesCmaintain efficient coolingDalter the fuel density
单选题Fuel oil having a low cetane rating could result in（）Aimproved cold weather startingBexcessive fuel oil consumptionCreduced ignition lagDsmoother engine operation
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Which of the followings will affect the spray of fuel oil?（）Acoke depositsBcylinder water temperatureCasphalt in fuel oilDlub oil
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Low compression pressure in a diesel engine is caused by（）Alow water in the expansion tankBimproperly seated valvesClow fuel oil pressureDworn or broken cylinder liner sealing rings
单选题The sludge tank installed in the diesel engine room is used to collect（） Ⅰ.sludge from the fuel oil settling tanks ad centrifuge Ⅱ.water that has been collected in the settling tankAⅠonlyBⅡ onlyCbothⅠand ⅡDneitherⅠor Ⅱ
单选题Low compression in a diesel engine could be caused by（）Aworn or broken cylinder liner sealing ringsBhigh cooling water temperatureCworn or broken piston ringsDlow fuel oil pressure
单选题The fuel from the bunker tanks must be treated by before entering the service tanks（）, from where the fuel enters（）Acentrifugal separators; the engine cylinderBoily water separators; the engine cylinderCoily water separators; the fuel supply systemDcentrifuges; the fuel supply system
单选题An oil water monitor is required in order to measure （）.Athe oil content in waterBthe water content in fuel oilCthe water level in bilge wellDthe oil level in bilge well
单选题Water in the fuel can prevent the engine from starting, prevent it from developing full power, or （）Arun at an irregular speedBcreate high lube oil temperatureCcause the engine to over-speedDcause blue smoke in the exhaust
单选题One result of operating a diesel engine at light load with excessively low cooling water temperature is a/an （）Adecrease in ignition lagBincrease in fuel economyCreduction in lube oil viscosityDincrease in cylinder misfiring
单选题Faulty operation of diesel engine fuel injection nozzles can be directly caused by （）.Awater in the fuel oil supplyBexcessive fuel nozzle holder coolingCa distorted fuel spray patternDleakage past the plunger into the oil drain
单选题Heat for igniting the fuel oil in the cylinder of a diesel engine is generated by the （）Aelectronic ignition systemBcompression of air by the pistonCfriction in the fuel injectorDfuel oil bearing system
单选题Diesel engine lube oil can become contaminated as a result（）Athe water produced during combustionBthe sulfur in the fuelCunburned fuel oilDall of the above
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Fuel oil injected into the cylinder of a diesel engine just after the piston passes top dead center, will（）Aincrease engine powerBincrease engine loadCdecrease engine powerDimprove fuel economy
单选题Clogged diesel engine fuel oil filters can cause（）Aloss of powerBmisfiringClow fuel oil pressureDAll of the above
单选题A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.Areduce the engine loadBincrease the cooling water flowCincrease the lube oil pressureDadjust the fuel rack
单选题If there is water in fuel oil, the revolution of the engine will （）.AdecreaseBincreaseCbe dismantledDbe reassembled