单项选择题
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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相关考题
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单项选择题
The ability of the governor to prevent fluctuations in engine speed is termed （）.
A.sensitivity
B.stability
C.promptness
D.speed droop -
单项选择题
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 -
单项选择题
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
A.under high pressure
B.under low pressure
C.heated to reduce viscosity
D.cooled to increase viscosity
