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【单选题】

A diesel engine will lose power if fuel injection occurs too early because the ()

A、fuel 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

更多“A diesel engine will lose power if fuel injection occurs too early because the ()”相关的问题
第1题

A、ignition lag  B、engine horsepower  C、lube oil system pressure  D、specific fuel consumption  

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第2题

A、smoother engine operation  B、advanced fuel ignition  C、increased fuel economy  D、reduced engine power  

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第3题

ADiesel engines have more advantages in comparison with gasoline engines  B、Diesel engines have more advantages in comparison to gasoline engines  C、Gasoline engines have more advantages in comparison with diesel engines  D、Gasoline engines have more advantages in comparison to diesel engines  

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第4题

AA.increasing the quantity of starting air  B、B.increasing the lube oil pressure  C、C.heating the engine fuel supply  D、D.heating the engine coolant  

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第5题

A、increase engine power  B、increase engine load  C、decrease engine power  D、improve fuel economy  

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第6题

A、the expansion ratio will decrease  B、combustion will be slowed down  C、thermal efficiency will decrease  D、thermal efficiency will increase  

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第7题

A、speed will drop drastically with any increase in load  B、will stop due to zero fuel supply  C、will stall upon application of load  D、speed will remain fairly constant despite load changes  

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第8题

A、most critical in a four-stroke cycle diesel engine  B、most critical in a two-stroke/cycle diesel engine  C、most critical in a four-stroke/cycle diesel engine if it is turbocharged  D、of equal importance in a two-stroke/cycle diesel engine as in a four-stroke/cycle diesel engine  

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第9题

A、the exhaust will be clear  B、fuel consumption will be low  C、all the fuel will be burned at top dead center  D、fuel consumption will be high  

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第10题

A、bearing pressure in a four-stroke\cycle acting single diesel engine is continually reversed  B、bearing pressure in a two-stroke\cycle single acting diesel engine is continually reversed  C、the maximum bearing pressure is higher in a single acting two-stroke/cycle diesel engine  D、two-stoke/cycle diesel engines require more complicated lubrication piping  

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