单选题Fuels of high quality with their earlier ignitions will cause higher （）pressure in cylinders of a diesel engine.AcompressionBmaximumCratedDoil
单选题
Fuels of high quality with their earlier ignitions will cause higher （）pressure in cylinders of a diesel engine.
A
compression
B
maximum
C
rated
D
oil
参考解析
解析：
暂无解析
相关考题：
The approaching 4G mobile communication systems are projected to （ ） still remaining problems of 3G systems and to provide （ ） new services ,from high-quality voice to high-definition video to high data-rate wireless channels.[1分]A.solveB.solvingC.reduceD.increase
The book is high in quality thanks to the writers who worked so hard for so many months.() 此题为判断题(对，错)。
We can certainly deliver high-quality education to many students at much()cost.A. lowB. lowestC. lower
________ goods are of very high quality and intended to be bought by rich people. A、DownmarketB、UpmarketC、ValuableD、Expensive
While appreciating good quality of your products, we are sorry to say that your price appears to be (). A、in the high levelB、at the high endC、of the high standardD、on the high side
The high quality of our products is well-known and universally acknowledged, and we are confident that a trial order would convince you that the goods we offer are excellent value for money.(英译中)
There is a steady demand here for bicycles of high quality, as cycling is popular in our country.(英译中)
If fuel injection to a four-stroke/cycle diesel engine begins earlier than designed, ignition may be delayed because theA.cylinder compression pressure may not be high enoughB.cylinder compression temperature may be too highC.fuel oil injection pressure may not be high enoughD.scavenge and purge process is incomplete
Which of the following represents the significance the fuel oil cetane number?A.The cetane number has no affect on injection lagB.The cetane number is an indication of the fuel's viscosityC.Ignition lag is reduced with fuels having a high cetane numberD.The cetane number is of little significance in the combustion process
Rolls-Royce is world famous for（）A、machine toolsB、household appliancesC、luxury automobilesD、high-quality knives and hand tools
下列触发切换的原因中, 哪些属于紧急切换（）。A、power budget evaluationB、high interference on uplinkC、uplink level too lowD、uplink quality too low
下列触发切换的原因中，哪种不属于紧急切换（）A、power budget evaluationB、high interference on uplinkC、uplink level too lowD、uplink quality too low
Which benefit does digital subscriber line (DSL) systems for broadband access provide to the user?（）A、Secure access to company extranetB、Dedicated lines for high security data transferC、Simple solution for high-quality digital video using coaxial cableD、Data and audio signals that share the same communications infrastructure
单选题The adverse effects of burning high sulfur fuel can be compensated for by using a cylinder oil having sufficient（）Adispersant additivesBfloc pointCalkalinity additivesDignition quality
单选题Apparel online business __________.Acan meet various needs of customersBhas comparatively lower cost than bookstoresCis hard to make people believe its high-quality goodsDhas advantages for customers to return goods
单选题From the passage we know the quality of the products ______.Ais as high as beforeBis lowerCis improvedDis reduced
单选题The tendency for lubricating oil to thin out at high temperatures and thicken at low temperatures will be characterized by a （）.Alow viscosity indexBhigh viscosity indexChigh neutralization numberDlow demulsibility quality
单选题Which of the following statements is true concerning the cetane number of diesel fuel?（）AThe cetane number affects the amount of injection lagBThe cetane number is an indication of the fuels viscosityCIgnition lag is reduced with fuels having a high cetane numberDThe cetane number is of little significance in the combustion process
单选题High pressure and low pressure alarms must be tested（）.Ano earlier than 24 hours prior to loadingBno later than 24 hours prior to loadingCanytime prior to loadingDweekly
单选题If fuel injection to a four-stroke/cycle diesel engine begins earlier than designed, ignition may be delayed because the （）.Acylinder compression pressure may not be high enoughBcylinder compression temperature may be too highCfuel oil injection pressure may not be high enoughDscavenge and purge process is incomplete
单选题Which of the following represents the significance the fuel oil cetane number?（）AThe cetane number has no affect on injection lagBThe cetane number is an indication of the fuel’s viscosityCIgnition lag is reduced with fuels having a high cetane numberDThe cetane number is of little significance in the combustion
单选题Which of the following CANNOT be concluded from the passage?AMost average teachers want to leave school because of high pressure.BExcellent teachers often leave schools for better jobs.CThe average quality of the teachers in America is declining.DTeachers’ quality is closely related to a number of factors.
单选题When comparing different fuels for different engines, the ignition quality of diesel fuel oils becomes a less critical consideration as （）Athe amount of lube oil additives increaseBpiston speeds increaseCinjection pressure decreaseDengine speeds decrease