你可能感興趣的試題

單項選擇題

A semisubmersible which flops between forward and aft angles of trim is likely to have（）.

A.KML less than KGL
B.an off-center LCG
C.LCG greater than LCB
D.KML greater than KMT

單項選擇題

A semisubmersible rig under tow should be ballasted down if（）.

A.motion begins to be excessive
B.water begins to break over the pontoons
C.period of roll exceeds 12 seconds
D.forward progress is halted by head wind