单项选择题
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
The ability of the governor to prevent fluctuations in ...
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
What is the function of the thrust bearing?（）A.Prevents...
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
Lube oil filters remove contaminants more efficiently i...
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
