[单选题]船舶受外力作用发生横倾前后的重力(),重心横坐标()。
正确答案 :A
A.相等;不变
[单选题]以下()措施有利于提高观测吃水的精度。
正确答案 :D
D.以上均是
[单选题]根据定义,船舶实际平均吃水比其型平均吃水大()。
正确答案 :A
A.平板龙骨厚度
[单选题]某轮在某装载状态下的一处水线位于水尺标志“④~⑤”字体间距的一半处,则该处的吃水为()。
正确答案 :B
B.4ft9in
[单选题]船舶受外力作用发生纵倾前后的重力(),重心位置()。
正确答案 :A
A.相等;不变
[单选题]在水尺标志中,其数字高度和两数字间距()。
正确答案 :B
B.公制为10cm,英制为6in
[单选题]The Plimsoll mark on a vessel is used to().
正确答案 :C
determine the vessel's freeboard
[单选题]Your vessel is damaged with no list,but down by the stern. There is progressive flooding and trim by the stern is increasing. What is the effect on transverse stability after the deck edge at the stern is submerged?()
正确答案 :C
BM decreases from loss of water plane and greater volume
[单选题]A vessel’s LCG is determined by().
正确答案 :A
dividing the total longitudinal moment summations by displacement
[单选题]For a floating vessel,the center of flotation is the point in the waterplane().
正确答案 :A
about which the vessel lists and trims
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