Combustion knock occurring in a diesel engine can be caused by （）.

A、A.excessive fuel penetration

B、B.prolonged injection lag

C、C.reduced ignition lag

D、D.prolonged ignition lag

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更多“Combustion knock occurring in a diesel engine can be caused by （）.”相关的问题

第1题

[] If a few injector spray holes become plugged, the result could be （）

A、A.excessive surging at governed speed B、B.combustion knock under load C、C.poor fuel combustion D、D.all of the above

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第2题

[单选题] Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.

A、a shortened ignition delay period B、a lean fuel/air mixture C、excess fuel in the combustion chamber D、rapid vaporization of injected fuel droplets

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第3题

[] Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.

A、A.a shortened ignition delay period B、B.a lean fuel/air mixture C、C.excess fuel in the combustion chamber D、D.rapid vaporization of injected fuel droplets

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第4题

[单选题] Combustion knock occurring in a diesel engine can be caused by （）

A、low coolant temperature B、insufficient fuel C、high ambient temperature D、carbon buildup on the injector tips

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第5题

[单选题] Many cast iron pistons are designed with heat dams, which serve to （）

A、keep piston crown temperatures elevated for smoother combustion B、reduce the possibility of overheating the top compression ring C、help retain the heat of compression to prevent ignition delay D、help retain the heat of compression to prevent combustion knock

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第6题

[单选题] Combustion knock will most likely occur as a result of using a fuel with（）

A、low ignition quality B、a high volatility C、low ignition delay D、a high cetane number

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第7题

[单选题] PIDS信息发布线控由（）控制。

A、公园前OCC B、大石OCC C、新造OCC D、所辖线网OCC

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第8题

[单选题] PIDS信息发布总控由（）控制。

A、公园前OCC B、大石OCC C、新造OCC D、所辖线网OCC