单选题Of a kind of liquid is used to cool the diesel engine, it is invariably called （）AlubricantBcoolantCcombustion productDsecond refrigerant
单选题
Of a kind of liquid is used to cool the diesel engine, it is invariably called （）
A
lubricant
B
coolant
C
combustion product
D
second refrigerant
参考解析
解析：
暂无解析
相关考题：
A thrust bearing is used with a propulsion diesel engine to ____.A.control axial movement of the crankshaftB.transmit engine thrust to the propeller shaftC.absorb vibrations in the propeller shaftingD.prevent propeller thrust from being transmitted to the hull
_____ the engines, the diesel engine is ____ used engine on boardA.Between / more commonlyB.Among / the most commonlyC.Between / not more commonlyD.Among / not the most commonly
A magnetic strainer is used in the diesel engine reduction gear oil system to remove small particles ofA.waterB.babbittC.iron or steelD.acids
In an auxiliary diesel engine bypass type lubricating oil system, the main lube oil pump forces_______ .A.all of the oil used by the engine through a filterB.some of the oil used by the engine through a filterC.some of the oil used by the engine through a centrifugeD.all of the oil used by the engine through a centrifuge
A bypass line provided around a waste heat auxiliary boiler in a diesel engine exhaust system, may be used to avoid boiler ______.A.corrosion at low engine loadsB.erosion at high engine loadsC.overload at high engine loadsD.scaling at all exhaust temperatures
A Kort nozzle is a(n) ______.A.hollow tube surrounding the propeller used to improve thrustB.nozzle attached to a firefighting hoseC.intake valve on a diesel engineD.piston cylinder on a diesel engine
单选题The marine diesel engine is a type of diesel engine used on ships The （） of its operation is not very difficult to understand.AprincipleBprincipalCcauseDcase
单选题Diesel oil may be used to cool （） of a diesel engine.AcylindersBexhaust valvesCpistonsDfuel valves
单选题The purpose of the compensating adjustment used in a diesel engine hydraulic governor is to （）Acompensate for low oil levelBincrease governor promptnessCprevent governor huntingDlimit engine load
单选题A thrust bearing is used with a propulsion diesel engine to （）.Acontrol axial movement of the crankshaftBtransmit engine thrust to the propeller shaftCabsorb vibrations in the propeller shaftingDprevent propeller thrust from being transmitted to the hul
单选题What is one effect of running a diesel engine at too cool a temperature? （）ABuildup of sludge in the lubricating systemBExcessive fuel consumptionCSevere heat stresses on mechanical partsDFoaming of the lubricating oil
单选题A large, low-speed, main propulsion diesel engine uses sea water to directly cool the （）.Acylinder headsBexhaust valvesCscavenging airDinjectors
单选题Injection lag in a diesel engine may be caused by（）Aa higher cetane number of fuel oilBthe diesel fuel used having a high viscosityCmechanical rigidity in the lube pump mechanismDa decrease rigidity in the fuel pump delivery pressure
单选题If a crankcase explosion occurs in a diesel engine, you should stop the engine and（）Aimmediately open all crankcase relief portsBincrease crankcase exhauster speed to draw cool air into the engineCallow the engine to cool naturallyDincrease crank case scavenge air to remove unburned gases
单选题Bridge gauge can be used to measure （） of a diesel engine.Adiameters of journalsBdeflections of crankwebsCdiameters of crankpinsDnone of the above
单选题（） the engines, the diesel engine is（） used engine on board.ABetween；more commonlyBAmong；the most commonlyCBetween；not more commonlyDAmong；not the most commonly
单选题The lube oil pump used in a diesel engine is a （）.Avolute pumpBcentrifugal pumpCdiaphragm pumpDgear pump
单选题Which of the combustion parameters listed is used in a diesel engine, but NOT related to the injection system?（）AAtomizationBMeteringCEffective strokeDPenetration
单选题Poor quality fuel being used in a turbocharged medium-speed, diesel engine could result in （）Ahard startingBexcessive fuel consumptionCloss of powerDall of the above
单选题Of a kind of liquid is used to cool the diesel engine, it is invariably called （）AlubricantBcoolantCcombustion productDsecond refrigerant
单选题Lubricating oil used in a diesel engine serves to（）Areduce the wear of bearing surfacesBcool the bearing surfacesCassist in sealing bearing surfacesDall of the above
单选题A Kort nozzle is a(n)（）.Ahollow tube surrounding the propeller used to improve thrustBnozzle attached to a firefighting hoseCintake valve on a diesel engineDpiston cylinder on a diesel engine
单选题Fresh water is used for the cooling of cylinder jackets and （） of the marine diesel engine.Acylinder coversBlubricating spaceCcrossheadDexhaust manifold
单选题Diesel engine cylinder head test cocks are used to （）Acheck cylinder lubricationBconnect the pressure indicator pressureCtest cylinder headsDconnect the exhaust gas pyrometers
单选题If a crankcase explosion occurs in a diesel engine, which of the listed actions should be taken?（）AOpen the crankcase immediately to check for damageBApply fire fighting water through the crankcase breatherCAllow the engine to cool before opening the crankcaseDAssume that there is no damage to the crankshaft