单选题Air in the fuel lines of a diesel engine can cause ()Aignition failureBoxygen corrosion of the fuel linesCthe pistons to seizeDblue smoke
单选题
Air in the fuel lines of a diesel engine can cause ()
A
ignition failure
B
oxygen corrosion of the fuel lines
C
the pistons to seize
D
blue smoke
参考解析
解析:
暂无解析
相关考题:
_______can be a direct cause of faulty operation of diesel engine fuel injection nozzles.A.Excessive fuel nozzle holder coolingB.Sediment in the fuel supplyC.Distortion of the fuel spray patternD.Improper atomization of the fuel
If a diesel engine turned over freely but failed to start, the cause could be ________.A.water in the fuelB.cold lube oilC.excessive starting air pressureD.excessive fuel pressure
One cause of diesel engine surging can be a result of ______.A.injection pump plungers stuck or wornB.low compressionC.solenoid stuck openD.fuel tank too full
Sudden unloading of a diesel engine can cause ______.A.Decreased fuel efficiencyB.Increased exhaust temperatureC.Black smokeD.Overspeed trip
单选题If a diesel engine turned over freely but failed to start, the cause could be ()Awater in the fuelBcold lube oilCexcessive starting air pressureDexcessive fuel pressure
单选题Dirt in a fuel oil system of a diesel engine can cause ()Adamage to strainersBover-speeding of the engineCexcessive cooling of the engineDinjector damage
单选题A diesel engine is turned at normal cranking speed, but fails to fireThis can occur from ()Alow lube oil temperatureBlow starting air temperatureCair in the fuel injectionDwater in the starting air system
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A leaking diesel engine fuel injector will cause()Aprolonged maintenance intervalsBimproved atomizationCgreater fuel economyDincomplete combustion
单选题Leaking oil seals on a diesel engine turbocharger can cause()Athe engine to run after the fuel has been securedBthe engine to over-speedCa fireDall of the above
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A sudden drop in diesel engine cylinder compression pressure can be caused by()Aa leaking fuel injector nozzleBa clogged air filterCexcessively early fuel injectionDmalfunctioning valves
单选题Combustion knock can occur in the cylinders of a diesel engine under any condition permitting ().Aa shortened ignition delay periodBa lean fuel/air mixtureCexcess fuel in the combustion chamberDrapid vaporization of injected fuel droplets
单选题In an operating diesel engine, pre-ignition can be caused by ()Aexcessively late fuel injectionBoil in the air chargeCwater in the fuelDinjection continuing after the fuel charge is ignited
单选题Air in the fuel can cause()Ahigh lube oil temperatureBblue smokeCthe engine to stopDpiston seizure
单选题Dirt in the fuel oil system of a diesel engine can cause ().Aclogged filtersBpoor combustionCoverloading of the dieselDshock of fuel lines
单选题If a diesel engine turned over at normal cranking speed but failed to start, the cause could be late fuel injection or ()Aexcessive fuel pressureBhigh lube oil viscosityCinadequate fuel injectionDexcessive starting air pressure
单选题Permitting a diesel engine fuel oil day tank to run dry can cause ()Aoverheated injection pumpsBwater condensation in the cylindersCfuel dilution of the lube oilDair in the fuel system
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A distorted spray pattern from a fuel injector can cause a diesel engine to have ()Ahigher firing pressureBmore power outputClower fuel pressureDless power output
单选题Faulty operation of diesel engine fuel injection nozzles can be a direct cause of().Aexcessive fuel nozzle holder coolingBsediment in the fuel supplyCdistortion of the fuel spray patternDimproper atomization of the fuel
单选题A sudden drop in compression pressure in one cylinder of a diesel engine can be caused by()Aa leaking fuel injector nozzleBa clogged air filterCexcessively early fuel injectionDmalfunctioning valves
单选题Clogged diesel engine fuel oil filters can cause()Aloss of powerBmisfiringClow fuel oil pressureDAll of the above
单选题Sudden unloading of a diesel engine can cause().Adecreased fuel efficiencyBincreased exhaust temperatureCblack smokeDoverspeed trip
单选题Turbulence in a diesel engine cylinder is of major importance in providing ().Aproper fuel meteringBcomplete fuel/air mixingCminimal fuel penetrationDproper fuel timing
单选题Air in the fuel lines to the fuel injection nozzles of a diesel engine will cause the engine to ()Aburn excessive amounts of lube oilBoverheat without smokingCoperate with reduce power or stopDrun away without load
单选题Air in the fuel lines to the fuel injection nozzles of a diesel will result in ().Alower compression pressuresBoverheating without smokingCfailure to startDa run away without load