單項選擇題

The amount of fuel delivered for each cycle must be in accordance with the engine load, and the same quantity of fuel must be delivered to each cylinder for each power stroke at that load.Which of the following statements describes this requirement?（）

A.Proper timing
B.Accurate metering
C.Suitable injection rate
D.Suitable atomization rate

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單項選擇題

Air bubbles in a hydraulic governor can cause （）

A.sluggish response
B.speed droop variations
C.isochronous governing
D.sensitivity increase

單項選擇題

On a diesel engine equipped with an isochronous governor, if the “speed droop” control is reduced to the “zero” setting, the engine （）

A.speed will drop drastically with any increase in load
B.will stop due to zero fuel supply
C.will stall upon application of load
D.speed will remain fairly constant despite load changes

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The amount of fuel delivered for each cycle must be in accordance with the engine load, and the same quantity of fuel must be delivered to each cylinder for each power stroke at that load.Which of the following statements describes this requirement?（）

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Air bubbles in a hydraulic governor can cause （）

On a diesel engine equipped with an isochronous governor, if the “speed droop” control is reduced to the “zero” setting, the engine （）

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