Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?A.compression must be low for effective spark ignitionB.compression must be low for required horsepower and torque generationC.compression must be low to prevent pre-ignitionD.compression must be low to have effective pre-ignition

Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?

A.compression must be low for effective spark ignition

B.compression must be low for required horsepower and torque generation

C.compression must be low to prevent pre-ignition

D.compression must be low to have effective pre-ignition


相关考题:

[A] what [B] which [C] why [D] how

The VoIP gateway can perform the digitization, () and encapsulation required, and it controls the setup of VoIP calls between the calling device and the called deviceA.amplificationB.depressionC.radiationD.compression

邮政客服代表对客户进行提问的过程中,要注意运用5W1H原则,即Which、why、What、Where、When、How。() 此题为判断题(对,错)。

You’re going to have a quiz ( )by another two in the ( )month. A. followed,followedB. followed,followingC. following,followedD. following,following

Last year she _designed_______ a new symbol for the company. A. wroteB. designedC. builtD. drew

统计表总标题的内容应当满足“3W”要求,标明统计数据的( )。A.统计目的(Why)B.时间(when)C.地点(Where)D.何种数据(What)E.数据倾向(Which)

What is NOT a requirement for the preparation of used,gasoline-propelled cars if they are to be carried as ordinary cargo and not as hazardous cargo ________.A.The engine must be run until it dies from lack of fuelB.The fuel tank must be inerted with CO2C.The ignition key may not be in the ignitionD.The vehicle must be inspected for fuel leaks

The team manager charged Michelle Palamides with the task of__________the epartment sd'webpage for the company's new intranet.A. designB. DesigningC. to design D. designed

Passengers should possess boarding pass,valid passport,visa, exit registration card, and immigration certificate ______ by related department.A.issuedB.madeC.identifiedD.designed

电话礼仪中,电话记录中“5W 1H”指的是()A.Who(什么人)B.When(什么时候)C.Why(为什么)D.Where(哪里)E.What(什么事)F.How(怎么样)G.Which(哪个)