單項(xiàng)選擇題

A negative metacentric height（）.

A.will always cause a vessel to capsize
B.should always be immediately corrected
C.always result from off-center weights
D.All of the above are correct

你可能感興趣的試題

單項(xiàng)選擇題

A neutral equilibrim position for a vessel means that the metacenter is（）.

A.lower than the keel
B.at the same height as the center of gravity
C.exactly at midships
D.at the center of the waterplane area

單項(xiàng)選擇題

A new technique（）,the producity of loading as a whole increased by 20 percent.

A.working out
B.having been worked out
C.having worked out
D.to have been worked out