单项选择题
The height of coamings of hatchway above the exposed freeboard deck shall be at least（）
A.900mm
B.600mm
C.760mm
D.450mm
相关考题
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多项选择题
Deep-fat cooking equipment shall be fitted with the following:（）
A.An automatic or manual fixed extinguishing system tested to an appropriate standardacceptable to the Organization
B.Controls for manual operation of the fire-extinguishing system which are clearlylabeled for ready use by the crew
C.Arrangements for automatically shutting off the electrical power upon activation of thefire-extinguishing system
D.an alarm for indicating operation of the fire-extinguishing system in the galley wherethe equipment is installed -
多项选择题
An approved constrution portfolio should be provided on all type of unit. The followingcontent should be contained in the construction portfolio:（）
A.The location and extent of application of different grades and strengths of materials
B.The approved and available welding procedure adopted in the construction
C.Restrictions or prohibitions of repairing or modification
D.None of them -
多项选择题
《MARPOL73/78防污公约2006综合文本》第二十二条泵舱底的保护对于2007年1月1日或以后建造的载重量为5000吨及以上的油船，应符合以下哪些要求（）
A.泵舱应设有双层底且泵舱底和基线之间距离h不小于h/15（m）或h=2m，取小者
B.如果泵舱的底板高出基线至少达所要求的最小高度，则泵舱处不需要双层底构造
C.压载水泵应予合适布置，确保有效地从双层底舱中抽水
D.无任何要求，不必设置双层底
