Heat damage to fuel injection nozzles can be prevented by avoiding ()
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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Fuel droplets injected into a diesel engine cylinder must have adequate penetration to ()
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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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The term “proper metering”, as applied to a diesel fuel injection system, can be best defined as ().
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During the fuel injection period, fuel pressure must exceed cylinder gas pressure to ().
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In a diesel engine, the time taken to heat the fuel particles, turn them into vapor, and bring about combustion is called ()
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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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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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Besides heat, fuel, and oxygen, which of the following is necessary for a fire to exist?()
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Fuel has to be injected into the engine at a high pressure so that it () correctly.
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With VIT unit the timing of fuel injection of an engine can be regulated automatically according to the ().
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It should be evident that the amount of fuel injected into the cylinder is dependent on the position of the helix relative to the ().
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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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Because the timing of injection is crucial, () mounted on the camshaft, which is driven by the crankshaft are used to operate the fuel pumps, one of which is provided for each cylinder.
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If the plunger or barrel of a fuel injection jerk pump becomes damaged,()
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A practical way of checking for excessive fuel injection in one cylinder of an operating diesel engine is to ()
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Heat energy is a source of power, but () will cause damage to the engine.
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What is required in addition to the heat,fuel,and oxygen of the fire triangle to have a fire?()
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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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Fuel injection uses the jet pump system and a Woodward type hydraulic () is used to control engine speed.
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The burning of the fuel adds more heat to the air charge, causing it to expand and force the engine piston to do work on the crankshaftWhat does “it” mean in this sentence?()
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To minimize the formation of carbon deposits on fuel injection nozzles, you should ()