Most fuel injection nozzles are opened by ().
相似题目
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Failure of fuel injection is usually due to trouble in the ().
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Fuel injection valves should be taken out, cleaned, and lifting checked every ().
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Problems with the diesel engine fuel injection pump are usually caused by()
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Heat damage to fuel injection nozzles can be prevented by avoiding ()
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During the fuel injection period, fuel pressure must exceed cylinder gas pressure to ().
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When fuel is injected late into a diesel engine cylinder,().
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Significant retardation of a diesel engine fuel injection timing will result in ()
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In a diesel engine, when the fuel is injected into the cylinder,()
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Dirt lodged on the nozzle valve seat of a fuel injection nozzle will cause()
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When a fuel injection nozzle overheats, which of the problems listed can be expected?()
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If the needle valve in a fuel injection nozzle sticks open ().
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Indirect cooling of fuel injector nozzle holders for diesel engines is accomplished primarily by ().
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Late fuel injection timing is indicated by ()
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Faulty operation of diesel engine fuel injection nozzles can be directly caused by ().
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In a common rail engine, the fuel is injected into cylinders()
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Faulty operation of diesel engine fuel injection nozzles can be a direct cause of().
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Which of the following problems may occur if the opening pressure of a fuel injection nozzle is greater than specified by the engine manufacturer?()
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The sequence of fuel injection into cylinders is determined by ().
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Fuel injection systems meter fuel, atomize fuel, and ().
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Heat damage to fuel injection nozzles on small high-speed diesel engines, can be prevented by()
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Air in the fuel lines to the fuel injection nozzles of a diesel will result in ().
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The major cause of fuel pump and injection system problems is ()
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Early fuel injection timing is indicated by the cylinder pressure being()
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To minimize the formation of carbon deposits on fuel injection nozzles, you should ()
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