挥发油（Volatile oils）
挥发油（Volatile oils）
相关考题：
下面一组中都是C语言关键字的是______。A．double Int forB．main while gotoC．volatile break staticD．malloc sizeof new
Volatile:a) What does the keyword volatile mean? Give an exampleb) Can a parameter be both const and volatile? Give an examplec) Can a pointer be volatile? Give an example
The pour point of lubricating oils is affected the most by which of the following?A.Extensive centrifugingB.Wax contentC.Water contentD.Acid content
Before any machinery is put in operation，you should ______.A.ventilate all compartments，see that the machinery is clean and there are no obstructionsB.just turn the key and start upC.take for granted that there are no fuel leaksD.assume there are no volatile fumes in the engine space
volatile关键字的说法错误的是（）。A、能保证线程安全B、volatile关键字用在多线程同步中，可保证读取的可见性C、JVM保证从主内存加载到线程工作内存的值是最新的D、volatile能禁止进行指令重排序
单选题Halon fire extinguishers are NOT effective when used on which types of fires?（）AFires in electrical equipmentBFlammable oils and greasesCClass A fires in ordinary combustiblesDMaterials containing their own oxygen
单选题In large marine diesel engines cylinder oils usually contain additives formulated to impart the （） to clean the rings and grooves.AinefficiencyBoilinessCdetergencyDpurity
单选题The treatment of the fuel oils involves storage, heating, filtering and（）AcentrifugingBpressurizingCatomizationDigniting
单选题To counteract these undesirable effects cylinder oils usually contain additives formulated to impart a high degree of （） and detergency.AsalinityBalkalinityCacidDsanitary
单选题Emulsion oils and sodium nitrite are both approved additives, but the latter cannot be used if any pipes are （） or if any soldered joints exit.AchromedBweldedCgalvanizedDbolted
单选题Emulsion oils and sodium nitrite are both approved additives, but （） cannot be used if any pipes are galvanized or if soldered joints exist.Athe latterBlatterCformerDthe former
单选题Those generally used additives for cooling water are either anti-corrosion oils or inorganic（）.AgasesBpaintsCinhibitorsDdetergent
单选题Sludge formation in a diesel engine lube oil system is caused by（）Acarbonization of oils from the combustion chambersBemulsions of lube oil and waterCcoagulation of unburned fuel below the piston ringsDall of the above
单选题Before any machinery is put in operation，you should（）.Aventilate all compartments，see that the machinery is clean and there are no obstructionsBjust turn the key and start upCtake for granted that there are no fuel leaksDassume there are no volatile fumes in the engine space
单选题（） fuel oils （） lubricating oils require treatment before passing to the engine.ABoth；andBNeither；norCEither；orDBoth；or