燃烧室(combustion chamber)
燃烧室(combustion chamber)
相关考题:
Which of the following statements represents the function of the compression rings installed at the top of a diesel Engine piston?A.Control the amount of lube oil burned in the combustion chamberB.Transmit heat from the piston to the cylinder linerC.Prevent damage to ring groove inserts by acting as a heat damD.Dissipate combustion chamber gas pressure by channeling it through the ring gap
Theois designed with a primary combustion chamber for burning sludge oil and /or solid waste, and two secondary combustion chambers for9ases.burning uncombusted exhaust A.boilerB.separatorC.incineratorD.treatment lological sewage
If the exhaust gas temperature of the incinerator is too high, or if sparks are developed, What should you do? A.Close the inlet and outletvalves for diesel oilB.Open the air nozzles in the secondary combustion chamber until it stopsC.Open the air nozzles in the primary combustion chamber until it stopsD.Close inlet valve for pressurized air
What is the most advantage of the lean-combustion different from the routine combustion?A.Continue runningB.Well combustionC.Higher peak temperatureD.Lower holding time of Maximum temperature
When the fuel oil is burning in the combustion chamber, it _____.A.gives up large amount of heatB.gives off large amount of heatC.gives up large amount of steamD.gives off large amount of steam
单选题Around the combustion chamber, all the main components are to give low thermal strains and the smallest, circumferentially symmetric deformations for good sealing between piston rings and liner()Adrill cooledBhole cooledCtube cooledDbore cooled
单选题When the fuel oil is burning in the combustion chamber, it ().Agives up large amount of heatBgives off large amount of heatCgives up large amount of steamDgives off large amount of steam
单选题The () chamber is enclosed between the cylinder head and piston.AlubricationBinjectionCcoolingDcombustion
单选题Generally speaking,the fuel injected into a marine diesel engine combustion chamber is ignited by().Aspark plugsBglow plugsCheat of compressionDa magneto
单选题In the combustion chamber, the part whose surface is exposed to the highest temperature is the ().Acylinder linerBcylinder coverCpistonDexhaust valve
单选题According to the text, incomplete combustion is more likely to occur with gasoline than with an alternative fuel because ______.Athe combustion of gasoline releases photochemical active hydrocarbonsBthe combustion of gasoline embraces an intricate set of reactionsCgasoline molecules have a simple molecular structureDgasoline is composed of small molecules
单选题Which of the following statements represents the function of the compression rings installed at the top of a diesel Engine piston?()AControl the amount of lube oil burned in the combustion chamberBTransmit heat from the piston to the cylinder linerCPrevent damage to ring groove inserts by acting as a heat damDDissipate combustion chamber gas pressure by channeling it through the ring gap
单选题A diesel engine with a combustion chamber located between the crowns of two pistons is known as a/an ().Adouble-acting engineBopposed pistons engineCsingle-acting engineDhorizontal acting engine
单选题Operating a propulsion diesel engine at less than 30% of designed normal load for prolonged periods will result in ().Adecreased fuel consumption per brake horsepowerBmore complete cylinder scavengingCextended valve lifeDcarbon formation on combustion chamber surfaces
单选题For a fire to begin there must be present a combustible material, oxygen or air to ()combustion, and a source of heat at a temperature high enough to start combustion.AbeginBsupportClastDextinguish
单选题The term “proper metering”, as applied to a diesel fuel injection system, can be best defined as ().Adelivering the same quantity of fuel to each cylinder for each power stroke according to engine loadBmaintaining the metering adjustment for a reasonable period under all load conditionsCtiming fuel injection to obtain maximum power and good fuel economyDdistributing the fuel to all parts of the combustion chamber for proper combustion
单选题The cylinder head, cylinder liner and () form the combustion chamber.AframeBpistonCcrankcaseDexplosion plate
单选题The diesel engine is a type of internal combustion engine which ignites the fuel by injecting it into hot, high pressure air in a ().Aair bottleBair compressorCcrank caseDcombustion chamber
单选题The rate of fuel injection in a diesel engine cylinder depends primarily on ().Athe size of the holes in the fuel nozzleBtiming of the pumpCsupply pressure to the pumpDshape of the combustion chamber
单选题Since the burning or combustion takes place within the engine itself, the engine is known as ().Aa fire -tube boilerBan internal combustion engineCan external combustion engineDan internal combustion generator
单选题The air required for combustion is taken from the engine room through a filter fitted on the turbochargerThis reduces the risk for too and contamination of the combustion air()Ahigh temperaturesBlow temperaturesCwetDdirty
单选题Proper dispersion of fuel in a diesel engine cylinder is dependent upon the ()Ainjection pressureBshape of combustion spaceCturbulence in combustion spaceDall of the above
单选题Around the combustion chamber, all the main components are bore cooled to give low strains and the smallest, circumferentially symmetric deformations for good sealing between piston rings and liner()AthermalBmechanicalCplasticDelastic