单项选择题
Many vessels are provided with flume tanks,which also have a dump tank located under the flume tanks. In the event the ship is damaged,you could dump the flume tanks into the dump tank which would().
A.reduce the free surface effect and raise the KG B.not have any effect on free surface and raise the KG C.reduce the free surface effect and lower the KG D.not have any effect on free surface and lower the KG
单项选择题 In ship construction,bulkheads in the quarters are generally().
单项选择题 In a twin screw ship going half-ahead,both screws turning outboard and the rudder amidships,no current or wind,the vessel will().
单项选择题 Flanking rudders effect a vessel’s heading because of the().