单项选择题
The minimum number and capacity of bilge pumps and fire pumps and their distributing within the ship is governed by （）.
A.Classification Society Rules B.National requirements C.The IMO International Convention for the Safety of Life at Sea D.All of the above
单项选择题 An auxiliary reservoir for starting auxiliary engines should be kept at （）.
单项选择题 Starting air for auxiliary engines may be taken directly from the main reservoirs or through （）.
单项选择题 Two main lubricating oil pumps are usual and are obligatory in （）.
