單項選擇題

Which of the following problems may occur if the opening pressure of a fuel injection nozzle is greater than specified by the engine manufacturer?（）

A.The amount of fuel injected will be increased
B.The start of injection will be retarded
C.The nozzle will permit fuel to dribble
D.The spray pattern will be distorted

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單項選擇題

The required amount in the change of speed necessary before a governor will make a corrective movement is known as （）.

A.speed droop
B.sensitivity
C.stability
D.promptness

單項選擇題

Turbulence in a diesel engine cylinder is of major importance in providing （）.

A.proper fuel metering
B.complete fuel/air mixing
C.minimal fuel penetration
D.proper fuel timing

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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?（）

你可能感興趣的試題

The required amount in the change of speed necessary before a governor will make a corrective movement is known as （）.

Turbulence in a diesel engine cylinder is of major importance in providing （）.