單項選擇題

Which of the following devices is common to both mechanical and hydraulic governors?（）

A.Direct linkage between the ball-head and fuel rack
B.A servomotor
C.A compensating device
D.Flyweights

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單項選擇題

Which term describes piston pins having bearing surfaces in both the piston bosses and connecting rod eye?（）

A.Stationary
B.Full floating
C.Semi-floating
D.Free rolling

單項選擇題

The longer the ignition delay period occurs in a diesel engine, the （）.

A.less fuel will enter the cylinder
B.lower will be cylinder compression temperatures
C.more complete will be fuel combustion
D.more rapid will be the rise in combustion pressure

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Which of the following devices is common to both mechanical and hydraulic governors?（）

你可能感興趣的試題

Which term describes piston pins having bearing surfaces in both the piston bosses and connecting rod eye?（）

The longer the ignition delay period occurs in a diesel engine, the （）.