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【单选题】

Fuel is ignited in a diesel engine cylinder by ()

A、a spark plug

B、injectors

C、the heat of compression

D、increasing jacket water temperatures

更多“Fuel is ignited in a diesel engine cylinder by ()”相关的问题
第1题

A、excessively late fuel injection  B、oil in the air charge  C、water in the fuel  D、injection continuing after the fuel charge is ignited  

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第2题

A、the heat compressed fuel/air mixture in the cylinder  B、the fuel igniter  C、the fuel injector  D、the fuel pump  

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第3题

A、electronic ignition system  B、compression of air by the piston  C、friction in the fuel injector  D、fuel oil bearing system  

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第4题

A、no spark or flame is required to ignite gas or vapor  B、a fuel begins to give off explosive vapors  C、a fuel if ignited will continue to burn  D、a 1% mixture of the fuel with air will explode  

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第5题

A、octane number  B、cetane number  C、viscosity in Saybolt seconds  D、air fuel ratio  

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第6题

AA.fuel oil supply temperature is normal  B、B.burner electrode is incorrectly positioned  C、C.fuelair ratio is incorrect  D、D.ignition current is too low  

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第7题

A、can not be ignited by a spark unless the vapor is in a confined space  B、are nontoxic in all concentrations  C、can not be ignited by a spark unless they are at their auto-ignition temperature  D、are heavier than air  

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第8题

A、ignition may be delayed  B、fuel economy is not affected  C、exhaust gas temperature will be unchanged  D、the exhaust will be clear  

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第9题

Afuel will not be properly atomized in the cylinder  B、ignition will be delayed due to low ignition temperature  C、maximum fuel expansion will occur on the compression stroke  D、fuel will ignite before top dead center  

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第10题

AA.cetane number  B、B.octane number  C、C.ignition index number  D、D.volatility point  

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