推进装置

推进装置的推进效率为推进轴上总有效功率与推进装置消耗的热量之比,因此它与 无关 .

A、动力装置消耗的能量
B、动力装置的余热利用
C、推进装置的燃料消耗
D、A+B

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A controllable pitch propeller on a diesel driven vessel eliminates the

A、friction clutches
B、disconnect clutches
C、reversing gears
D、reduction gears

船舶电力推进系统的推进装置类型有吊舱式推进器和轴系推进装置两种.

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