During the fuel injection period, fuel pressure must exceed cylinder gas pressure to ().
相似题目
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Failure of fuel injection is usually due to trouble in the ().
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If the diesel engine fuel injection timing is changed to delay the start of injection until the pistons are at top dead center, the engine will()
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Problems with the diesel engine fuel injection pump are usually caused by()
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The effective pump stroke of an individual port-and-helix fuel injection pump is determined by the ()
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The fuel injection pumps on a diesel engine are controlled by a linkage system attached to the ()
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A diesel engine will lose power if fuel injection occurs too early because the ()
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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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The injection may be delayed, ()the pumps are in good order, if the fuel lines to the injection valves have not been cleared of air.
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In a common rail engine, the fuel is injected into cylinders()
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Fuels of different qualities may require advancing or retarding the injection timing, in addition to which if the injection timing is advanced when the engine is running at loads below the (), then a saving in fuel can be achieved.
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The sequence of fuel injection into cylinders is determined by ().
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When ship is fouled, increasing the fuel injection for keeping the normal speed will cause the main engine ()
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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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The fuel injector injects a fine spray of fuel into the hot air and combustion (), producing much high pressure in the gases.
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A diesel engine will lose power if fuel injection occurs too late in the cycle, because the()
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If the plunger or barrel of a fuel injection jerk pump becomes damaged,()
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Early fuel injection timing is indicated by the cylinder pressure being()
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The purpose of the delivery check valve used in a diesel fuel injection jerk pump is to ().
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To minimize the formation of carbon deposits on fuel injection nozzles, you should ()
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Problems with the diesel engine fuel injection pump are usually caused by_____.
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