网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
单选题
Proper dispersion of fuel in a diesel engine cylinder is dependent upon the ()
A

injection pressure

B

shape of combustion space

C

turbulence in combustion space

D

all of the above


参考答案

参考解析
解析: 暂无解析
更多 “单选题Proper dispersion of fuel in a diesel engine cylinder is dependent upon the ()A injection pressureB shape of combustion spaceC turbulence in combustion spaceD all of the above” 相关考题
考题 When fuel is injected late into a diesel engine cylinder_______.A.the exhaust will be clearB.fuel consumption will be lowC.all the fuel will be burned at top dead centerD.fuel consumption will be high

考题 单选题Low compression in a diesel engine can be caused by ()A clogged coolant passagesB a leaking cylinder head gasketC low fuel oil pressureD worn or broken cylinder liner sealing rings

考题 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?()A Excessive cylinder linerB water in the fuel systemC Cracked cylinder linerD Leaking lube oil cooler

考题 单选题Fuel oil discharged to the diesel engine cylinder is atomized at the ()A turbochargerB injection nozzle tipC carburetorD fuel oil pump

考题 单选题A practical way of checking for excessive fuel injection in one cylinder of an operating diesel engine is to ()A feel the high pressure fuel lineB check the cylinder exhausts for white smoke frequentlyC check the cylinder exhaust temperatureD isolate each cylinder and inspect the injector

考题 单选题When fuel is injected late into a diesel engine cylinder,().A the exhaust will be clearB fuel consumption will be lowC all the fuel will be burned at top dead centerD fuel consumption will be high

考题 单选题A drop in compression pressure in one cylinder of a diesel engine can be caused by()A a leaking fuel injection nozzleB a clogged air filterC early fuel injectionD burned valves

考题 单选题Burning fuel with a high sulfur content in a diesel engine will ()A increase thermal efficiencyB cause clogging of the fuel systemC increase the ability of the engine to start in cold weatherD produce corrosion in the cylinder and exhaust system at low loads

考题 单选题Fuel is ignited in a diesel engine cylinder by ()A a spark plugB injectorsC the heat of compressionD increasing jacket water temperatures

考题 单选题The term “proper metering”, as applied to a diesel fuel injection system, can be best defined as ().A delivering the same quantity of fuel to each cylinder for each power stroke according to engine loadB maintaining the metering adjustment for a reasonable period under all load conditionsC timing fuel injection to obtain maximum power and good fuel economyD distributing the fuel to all parts of the combustion chamber for proper combustion

考题 单选题Proper atomization of fuel in diesel engine combustion chambers will ().A affect the injection pressureB improve combustionC reduce compression pressureD decrease power output

考题 单选题A change in the quality of fuel atomization by a diesel engine fuel injector would be caused by a/an ()A increase in engine speedB increase in cylinder turbulenceC leaking needle valveD reduction in cylinder turbulence

考题 单选题The longer the ignition delay period occurs in a diesel engine, the ().A less fuel will enter the cylinderB lower will be cylinder compression temperaturesC more complete will be fuel combustionD more rapid will be the rise in combustion pressure

考题 单选题One remedy for a high firing pressure, in addition to a high exhaust temperature in one cylinder of a diesel engine, is to ()A increase scavenge air pressureB reduce fuel booster pump pressureC adjust the fuel rackD retard fuel injector timing

考题 单选题Fuel is admitted to a diesel engine cylinder through the ().A intake valvesB carburetorC exhaust portsD injector nozzles

考题 单选题Engine coolant accumulating in the diesel engine lubricating oil can result from a ()A low oil pressureB high coolant pressureC leaking fuel injectorD cracked cylinder head or liner

考题 单选题What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?()A Spark plugB Heat of compressionC CarburetorD Glow plug

考题 单选题In the cylinder of a diesel engine fuel is ignited by the()A spark from a plug in the pre-combustion chamberB electrical discharge from the distributorC heat of compression within the cylinderD heat from the fuel injection nozzle

考题 单选题Heat for igniting the fuel oil in the cylinder of a diesel engine is generated by the ()A electronic ignition systemB compression of air by the pistonC friction in the fuel injectorD fuel oil bearing system

考题 单选题Fuel oil begins injection into the cylinder of a four-stroke/cycle diesel engine during the ().A intake strokeB exhaust strokeC power strokeD compression stroke

考题 单选题One of function of diesel engine lubricating oil is to ()A induce carbon formation on cylinder wallsB improve fuel penetration in the combustion spaceC form a friction reducing film between mating surfacesD lubricate the fuel injection

考题 单选题Fuel droplets injected into a diesel engine cylinder must have adequate penetration to ()A prolong the ignition delay periodB ensure the beginning of fuel injectionC thoroughly utilize the air chargeD allow controlled fuel combustion

考题 单选题Fuel oil injected into the cylinder of a diesel engine just after the piston passes top dead center, will()A increase engine powerB increase engine loadC decrease engine powerD improve fuel economy

考题 单选题Proper dispersion of fuel in a diesel engine cylinder is dependent upon the ()A injection pressureB shape of combustion spaceC turbulence in combustion spaceD all of the above

考题 单选题Turbulence in a diesel engine cylinder is of major importance in providing ().A proper fuel meteringB complete fuel/air mixingC minimal fuel penetrationD proper fuel timing