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[主观题]

If a diesel engines exhaust temperature is abnormally high, the cause could be______.A.too

If a diesel engines exhaust temperature is abnormally high, the cause could be______.

A.too light of a load

B.injection timing is too early

C.overloading of the engine

D.too low of a compression ratio

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更多“If a diesel engines exhaust te…”相关的问题

第1题

（）, so they are widely used on board ship nowadays

A．Diesel 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 engine

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第2题

Diesel engines are started by supplying （） into the cylinders in the appropriate sequence for the required direction.

A.fuel oil

B. diesel oil

C. compressed air

D. jacket water

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第3题

All diesel engines are classified as ______．A.Four cycleB.Compression ignitionC.Vacuum ign

All diesel engines are classified as ______．

A.Four cycle

B.Compression ignition

C.Vacuum ignition

D.External combustion

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第4题

Cylinder of marine diesel engines are normally cooled by （)A.sea waterB.sanitary waterC.f

Cylinder of marine diesel engines are normally cooled by ()

A.sea water

B.sanitary water

C.fresh water

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第5题

Cylinders of marine diesel engines are normally cooled by ___ .A.sea waterB.fine mineral o

Cylinders of marine diesel engines are normally cooled by ___ .

A.sea water

B.fine mineral oil

C.sanitary water

D.fresh water

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第6题

_____ the engines, the diesel engine is ____ used engine on boardA.Between / more commonly

_____ the engines, the diesel engine is ____ used engine on board

A.Between / more commonly

B.Among / the most commonly

C.Between / not more commonly

D.Among / not the most commonly

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第7题

Diesel engines obtain combustion air through turbo chargers，blowers，or ______．A.Air starte

Diesel engines obtain combustion air through turbo chargers，blowers，or ______．

A.Air starters

B.Carburetors

C.Natural aspiration

D.Air receivers

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第8题

Diesel engines are started by supplying into the cylinders in the appropriate sequence for

the required direction.

A.cooling water

B.compressing air

C.compressed air

D.cylinder oil

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第9题

Marine four-stroke diesel engines are mainly _____.A.of crosshead typeB.of trunk piston ty

Marine four-stroke diesel engines are mainly _____.

A.of crosshead type

B.of trunk piston type

C.of low speed type

D.all the above

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第10题

Passages are drilled in the crankshafts of diesel engines to provide lubricating oil to th

e _____.

A.main bearings

B.connecting rod bearings

C.piston pin bushings

D.All of the above

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