正确答案: C

4年

题目：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（）。

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学习资料的答案和解析：

[单选题]巨大型船舶对动力装置的重量和尺度没有特别要求，一般采用（）柴油机动力装置。

低速机

[单选题]曲轴与艉轴的同轴度误差的参数是（）。

δ总、φ总

[单选题]螺旋桨桨叶0.4R以外的裂纹可采用（）修理。

完善的工艺焊补

[单选题]The sequence of parts in a generally used fuel oil supply system for a main engine is （）(1)tanks in the double bottom(2)centrifuges(3)service tank(4)settling tank(5)viscosity regulator

(1)-(4)-(2)-(3)-(5)

[单选题]With the shell and cap assembled as for running, a check must be made that the clearance between the cap and the housing （）.

are suitable

[单选题]Directional intake ports in diesel engines are used to （）.

induce air swirl

[单选题]In an auxiliary boiler steam and water system, the highest pressure will be in the （）.

feedwater system