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
Permitting a diesel engine fuel oil day tank to run dry can cause ()
A

overheated injection pumps

B

water condensation in the cylinders

C

fuel dilution of the lube oil

D

air in the fuel system


参考解析

解析: 暂无解析

相关考题:

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

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Low compression in a diesel engine can be caused by ()Aclogged coolant passagesBa leaking cylinder head gasketClow fuel oil pressureDworn or broken cylinder liner sealing rings

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White smoke exhausting from a diesel engine can be caused by ()Alow combustion temperatureBa leaking fuel nozzle check valveClate fuel injectionDplugged oil-scraper ring hole

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Starting a large low-speed propulsion diesel engine on diesel fuel during cold weather conditions, will be made easier by ()Aincreasing the quantity of starting airBincreasing the lube oil pressureCheating the engine fuel supplyDheating the engine coolant

单选题Mist detectors used on large low-speed main propulsion diesel engines monitor and check for the presence of ().Afuel oil vapor at the sludge tank ventBunburned fuel vapors in the scavenge air receiverClube oil vapors in the crank caseDlube oil vapors in the engine room

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 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Late fuel oil injection in a diesel engine can result in ()Afuel knockBincreased powerClow compression pressureDhigh exhaust temperature

单选题Worn diesel engine intake valve guides can result in ()Aincreased engine breathing efficiencyBexcessive valve lashCexcessive lube oil consumptionDlower than normal fuel consumption

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Duty officer informs us that the vessel is out of harbor and in “Full Ahead”We are going to run ().Adiesel oil instead of fuel oilBfuel oil instead of diesel oilCdiesel oil instead fuel oilDfuel oil instead diesel oil

单选题If the low level alarm of the diesel fuel day tank fails to function, you can expect trouble from()Aoverheated injection pumpsBwater condensed in the cylindersCfuel dilution of the lube oilDair in the fuel system

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Following a grounding, you can best determine that a SLACK fuel oil tank has been holed by ().Asounding the tankBwaiting for the vessel to listCexamining tank boundariesDchecking fuel oil strainers

单选题The fuel oil system for a diesel engine can be considered in two parts--the fuel supply and the () systems.Afuel treatmentBfuel combustionCfuel injectionDfuel separating

单选题Engine coolant accumulating in the diesel engine lubricating oil can result from a ()Alow oil pressureBhigh coolant pressureCleaking fuel injectorDcracked cylinder head or liner

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The main propulsion diesel continues running after you try to shut downYoushould now attempt to()Astop the combustion air supplyBengage the jacking gearCsecure the lube oil pumpDshut off the fuel at the day tank