【名词&注释】
动力装置(power plant)、燃油消耗量(fuel consumption)、螺旋桨轴(propeller shaft)、螺旋桨推力(propeller thrust)
[单选题]动力装置燃料消耗率bz指的是动力装置每小时燃油消耗量与()之比。
A. 主机指示功率
B. 主机有效功率
C. 螺旋桨吸收功率
D. 螺旋桨推力(propeller thrust)功率
查看答案&解析
查看所有试题
学习资料:
[单选题]带有匙形键槽且根部有适当圆角的单螺旋桨轴或艉轴,其检验间隔期规定为()。
A. 2年
B. 3年
C. 4年
D. 5年
[单选题]The crank-room cover should not be opened until at least () minutes after the engine stops.
A. 10
B. 15
C. 20
D. 30
[单选题]The engine is started with () supplied from air receivers.
A. pressure oil
B. pressure water
C. compressed air
D. cooling water
[单选题]The lower end of each piston rod is reduced in diameter to fit a bore in the cross-head, this being secured to the piston rod by ().
A. a bolt
B. a cap
C. a disc
D. a nut
本文链接:https://www.51bdks.net/show/03vwe6.html