What would white exhaust smoke from a diesel engine probably mean ________．A.Late fuel injectionB.Excess combustion airC.Dribbling injector tipsD.Excessive lube oil consumption
What would white exhaust smoke from a diesel engine probably mean ________．
A.Late fuel injection
B.Excess combustion air
C.Dribbling injector tips
D.Excessive lube oil consumption
相关考题：
A diesel engine experiences a sudden loss in speed, accompanied by black exhaust smoke, with the fuel rack at maximum, and speed remaining below normal .the probable ___.A.engine overloadB.leaky valvesC.stuck or broken piston ringsD.low air injection pressure
An indication of an overloaded main propulsion diesel engine is( ).A.white smoke in the exhaustB.high exhaust gas pyrometer readingsC.sparks in the exhaustD.blue smoke in the exhaust
In a diesel engine, late fuel injection is indicated by black or gray exhaust smoke with ______.A.low firing pressureB.low exhaust temperatureC.mechanical knock in each cylinderD.fuel knock in each cylinder
单选题Black smoke exhausting from a diesel engine indicates（）Aproper fuel injectionBwater in the fuelCincomplete combustionDburning of lube oil
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A diesel engine experiences a sudden loss in speed, accompanied by black exhaust smoke, with the fuel rack at maximum, and speed remaining below normal the probable（）Aengine overloadBleaky valvesCstuck or broken piston ringsDlow air injection pressure
单选题Black smoke exhausting from an operating diesel engine is an indication of poor combustion which may be caused by （）Awater in the fuelBinsufficient fuel for combustionCclogged air intake passagesDburning lubricating oil
单选题White smoke exhausting from an operating diesel engine may indicate （）.Aa cracked linerBburning lube oilCan overloaded engineDinsufficient combustion air
单选题White smoke issuing from the exhaust of an auxiliary diesel engine valve opening （）Athe engine is overloadedBthe engine is coldCthere is too much lube oil in the cylindersDthe turbocharger is fouled
单选题White smoke exhausting from a diesel engine can result from （）Ahigh exhaust temperatureBhigh lube oil temperatureClow turbo-charger speedDlow cooling water temperature
单选题A practical way of checking for excessive fuel injection in one cylinder of an operating diesel engine is to （）Afeel the high pressure fuel lineBcheck the cylinder exhausts for white smoke frequentlyCcheck the cylinder exhaust temperatureDisolate each cylinder and inspect the injector
单选题The exhaust system of a diesel engine is usually designed to remove exhaust gases and to （）Aprovide exhaust back pressureBprevent exhaust smoke emissionsCpower a reciprocating superchargerDmuffle exhaust gas noise
单选题Black smoke exhausting from an operating diesel engine can be caused by （）Afuel dribbling from leaking fuel injectorsBburning fuel with a high carbon contentCburning fuel with a high vanadium contentDburning fuel with a lower sulphur content
单选题The exhaust gases in a supercharged two-stroke/cycle diesel engine are expelled from the cylinder by （）Apumping action of the pistonBpressure of the fuel chargeCvacuum developed in the manifoldDpressure of the fresh air charge
单选题A smoking exhaust from an operating diesel engine could be caused by （）Alow sulfur content in the fuelBa loose injector inlet connectionClate fuel injectionDhigh injection pressure
单选题High exhaust temperature and black smoke exhausting from an auxiliary diesel engine can be caused by （）.Aengine overloadBlow combustion temperatureCplugged fuel nozzle holesDexcessive compression pressure
单选题What color exhaust will be exhibited when a slow speed two-stroke/cycle main propulsion diesel engine, designed to operate on light and heavy fuel oil, is operated on insufficiently preheated heavy fuel oil?（）AWhiteBBlackCBlueDClear
单选题"Scavenging" on a diesel engine means （）.Ainjecting fuel oil into a cylinderBremoving exhaust gases from the cylinderCforcing air into the cylinders under pressure after the exhaust valve has dosedDa combination of all the above
单选题High firing pressures and a low exhaust temperature in a diesel engine may result from （）.Adecreased piston to cylinder head clearanceBincreased exhaust system back pressureCearly fuel injection timingDlow scavenge air temperature
单选题In a diesel engine, late fuel injection is indicated by black or gray exhaust smoke with（）Alow firing pressureBlow exhaust temperatureCmechanical knock in each cylinderDfuel knock in each cylinder
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If the turbocharger failed on an auxiliary diesel engine, which of the following conditions would probably occur?（）AFull power cannot be developedBThe exhaust will contain black smokeCComplete combustion will be impossibleDAll of the above
单选题Late fuel injection occurring at, or after TDC in a diesel engine is indicated by excessive exhaust smoke and （）Alow exhaust temperatureBlow firing pressureCfuel knock in each cylinderDmechanical knock in each cylinder
单选题If you notice smoke coming fro the crankcase exhaust fan outlet of an operating diesel engine, you would suspect（）Aa cracked cylinder linerBclogged intake portsCbroken piston ringsDa faulty head gasket
单选题Late fuel injection in a diesel engine is indicated by low firing pressure with （）Alow exhaust temperatureBlow exhaust pressureCmechanical knock in each cylinderDblack or gray exhaust smoke
单选题If you observe smoke coming from the turbocharger of an auxiliary diesel engine, you should（）Acheck the air filter for obstructionBcheck for an exhaust leakCcheck the exhaust temperatureDsecure the engine
单选题An indication of an overloaded main propulsion diesel engine is （）Awhite smoke in the exhaustBhigh exhaust gas pyrometer readingsCsparks in the exhaustDblue smoke in the exhaust