燃料比功率 fuel specific power
燃料比功率 fuel specific power
相关考题:
在OMC上“Cell-specific Reference Signals Power”具体是指()A.基站每个天线口上承载的有效RS在单个RE上的功率B.有RS的时域符号上RS的功率和C.RSRPD.每个小区RS的总功率
Which factor determines the ring dam size for a fuel oil, tubular bowl type, centrifugal purifier?A.The viscosity of the fuel.B.The quantity of water to be removed from the fuel.C.The specific gravity of the fuel.D.The quantity of dirt to be removed from the fuel.
A ship which is required to carry an Oil Record Book must log in the book ______.A.discharge of ballast or cleaning water from fuel tanksB.sounding levels of all fuel tanks on a daily basisC.the grade and specific gravity of all fuel oil carriedD.fuel consumption rates on a weekly basis
What quality of a diesel fuel is most significant for efficient combustion ________.A.VolatilityB.ViscosityC.Flash pointD.Specific heat
在OMC上“Cell-specific Reference Signals Power”具体是指()A、基站每个天线口上承载的有效RS在单个RE上的功率B、有RS的时域符号上RS的功率和C、RSRPD、每个小区RS的总功率
测试功能分为哪几类()A、POWER UP TEST,CYCLIC TEST两类B、POWER UP TEST,CYCLIC TEST,SPECIFIC TEST三类C、POWER UP TEST,CYCLIC TEST,SYSTEM TEST,SPECIFIC TEST四类
单选题Heavy residual fuel oils are heated prior to centrifuging to ()Areduce fuel weightBincrease specific gravityCseparate fuel from lube oilDreduce fuel viscosity
单选题The percentage of impurities in a specific fuel oil sample is determined by ().Asettling in a fuel tankBtesting in a laboratory centrifugeCburning in a calorimeterDtesting in a closed cup
单选题A ship which is required to carry an Oil Record Book must log in the book().Adischarge of ballast or cleaning water from fuel tanksBsounding levels of all fuel tanks on a daily basisCthe grade and specific gravity of all fuel oil carriedDfuel consumption rates on a weekly basis
单选题A vessel is required to carry an Oil Record Book Part I to log entries in the book regarding the ().Adischarge of ballast or cleaning water from fuel tanksBsounding levels of all fuel tanks on a daily basisCgrade and specific gravity of all fuel oil cardedDfuel consumption rates on a weekly basis
单选题You are transferring fuel from the storage tanks to the day tanks by means of an electric fuel oil transfer pumpIf the pump motor catches fire, you would FIRST ().Asecure the fuel manifoldBshut off power to the pumpCshut off the power ventilationDspray water on the fire
单选题The specific gravity of fuel oil is a ().Aabsolute valueBrelative valueCconstant valueDset value
单选题The engine has one or two group of fuel pumps, depending upon ().Athe number of fuel valvesBthe number of cylindersCthe speed of engineDthe power of engine
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Significant retardation of a diesel engine fuel injection timing will result in ()Asmoother engine operationBadvanced fuel ignitionCincreased fuel economyDreduced engine power
单选题A diesel engine will lose power if fuel injection occurs too late in the cycle, because the()Afuel droplets will burn as they leave the fuel injectorBfuel will not be properly atomized in the cylinderCmaximum expansion of the burned fuel cannot take place in the cylinderDcompression pressure will be too low to cause fuel ignition
单选题The heart of the diesel engine is the () where the fuel is burnt and the power developed.AcrankcaseBcylinderCscavenge boxDpiston
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