A low speed engine requires reduction gearbox it and propeller.

A、none / both
B、no / both
C、none / between
D、no / between

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In 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

Inreducingenginespeedto

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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

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AT LOW ENGINE SPEED THE HIGH PRESSURE VALVE (HPV) IS:

A、 Regulating a pressure, when the pressure delivered by the HP stage is higher than 36 PSI.
B、 Closed.
C、 Regulating a pressure, when the pressure delivered by the HP stage is lower than 36 PSI.

ATLOWENGINESPEEDTHE华欧机型

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When transmitted by a reduction gear, diesel engine speed is reduced and the torque available for work

A、remains the same
B、is reduced
C、is increased
D、is eliminated

Whentransmittedbyreductiongear

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