Inreducingenginespeedto
题号: EYocIn reducing engine speed to an efficient propeller speed by the use of reduction gears,( )
A、speed and torque are both reduced
B、speed is reduced and torque remains unchanged
C、speed is reduced and torque is increased
D、speed is sometimes unchanged while torque is increased
B、speed is reduced and torque remains unchanged
C、speed is reduced and torque is increased
D、speed is sometimes unchanged while torque is increased
相关题目
In reducing engine speed to an efficient propeller speed by the use of reduction gears,_________.（易）
A、 speed and torque are both reduced
B、 speed is reduced and torque remains unchanged
C、 speed is reduced and torque is increased
D、 speed is sometimes unchanged while torque is increased
Inreducingenginespeedto轮机英语校考题库(2022)最新
已解答船舶主推进装置1..3船舶推进装置1..3.1推进装置的传动方式In reducing engine speed to an efficient propeller speed by the use of
A、speed and torque are both reduced
B、speed is reduced and torque remains unchanged
C、speed is reduced and torque is increased
D、speed is sometimes unchanged while torque is increased
船舶推进装置1..3轮机英语.docx
已解答A low speed engine requires ________ reduction gearbox ________ it and propeller.
A、none / both
B、no / both
C、none / between
D、no / between
lowspeedenginerequiresreduction
已解答Some medium and high-speed diesel engines require reduction gear units to provide a useful propeller
A、
must churn(搅拌)the oil in the sump
B、
is connected to the propeller shaft
C、
is driven at the highest r/min
D、
compensates(补偿) for alignment variations between the engine and pinion gear(小齿轮)
Somemediumandhighspeed
已解答