單項選擇題

In a simple mechanical governor, the （）.

A.centrifugal force rotates the ball-head
B.flyweight centrifugal force is balanced by spring force
C.flyweight centrifugal force is balanced by hydraulic pressure
D.speeder spring alone actuates the fuel control rod

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單項選擇題

The ability of the governor to prevent fluctuations in engine speed is termed （）.

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

單項選擇題

What is the function of the thrust bearing?（）

A.Prevents lateral movement of the slow speed gear
B.Transmits propeller thrust to the hull
C.Keeps spring bearings in line
D.Prevents main reduction gear axial movement