The spur geared mooring winches have advantages over worm ge

【名词&注释】

集装箱船(container ship)、救生衣(life jacket)、充气式(pneumo type)

[单选题]The spur geared mooring winches have advantages over worm geared ones in .

A. higher efficiency of the gear train while reversing
B. the higher gear ratio
C. the multi-start feature
D. higher recovering speed

查看答案&解析查看所有试题

学习资料：

[单选题]Which of the following operations need NOT to be entered on the Oil Record Book Part I? I、Disposal of oil residues. II、 Internal transfer of fuel oil

A. I only
B. II only
C. both I and II
D. neither I nor II

[单选题]充气式救生衣禁止在哪类船舶上使用：

A. 集装箱船
B. 货船
C. 油船
D. 客船

本文链接：https://www.51ksbd.net/show/5gl9v5.html