[单选题]Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except______.
正确答案 :D
pump up the air bottle
[单选题]船舶日常消防训练的内容有:
正确答案 :D
以上均对。
[单选题]轮机日志是法定文件,在航行中由______负责填写;停泊中由______负责记载和保管。
正确答案 :B
值班轮机员/大管轮
[单选题]When you are making a high potential test on a piece of repaired electrical machinery, a rise in leakage current indicates _______.
正确答案 :B
bad insulation
[单选题]当风速为20m/s,水深h=20m时,根据经验,单锚泊出链长度约为( )m。
正确答案 :B
150
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