带有普通键槽的双螺旋桨轴或艉轴其检验间隔期为（）。

【名词&注释】

螺旋桨轴(propeller shaft)、双螺旋桨(double propellers)

[单选题]带有普通键槽的双螺旋桨轴或艉轴其检验间隔期为（）。

A. 1年
B. 2年
C. 3年
D. 4年

查看答案&解析 查看所有试题

学习资料：

[单选题]导致曲轴轴线产生塌腰形变形，臂距差朝正值增大方向变化的因素有（）。Ⅰ.爆发压力；Ⅱ.飞轮重量；Ⅲ.曲轴自重；Ⅳ.活塞装置重量；Ⅴ.轴系轴线低于曲轴轴线，两法兰呈上开口。

A. A．Ⅰ＋Ⅲ＋Ⅳ
B. B．Ⅲ＋Ⅳ
C. C．Ⅲ＋Ⅳ＋Ⅴ
D. D．Ⅰ＋Ⅴ

[单选题]An interlock in the remote operating valve line stops the valve （） when the engine turning gear is engaged.

A. to open
B. opening
C. open
D. opened

[单选题]Sea water is not directly used as a coolant for engines because of its （）.

A. low specific heat
B. corrosive action
C. high expense
D. acid property

[单选题]For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.

A. it has a longer power stroke
B. more air gets into the cylinder each stroke
C. it develops twice as many power strokes at the same speed
D. higher combustion pressure is developed

本文链接：https://www.51bdks.net/show/7rv4p7.html