单项选择题

A.Longitudinal center of buoyancy and longitudinal cent……

In order to determine the trimming arm for your vessel at any particular draft，which of the following would you compare?（）.

A.Longitudinal center of buoyancy and longitudinal center of gravity
B.Longitudinal center of floatation and longitudinal center of gravity
C.Longitudinal center of floatation and longitudinal center of buoyancy
D.Longitudinal tipping center and longitudinal center of gravity

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单项选择题If the metacentric height is small，a floating vessel will（）.

A.be tender
B.have a quick and rapid motion
C.be stiff
D.yaw

单项选择题If the metacentric height is large，a floating vessel will（）.

A.be tender
B.have a slow and easy motion
C.be stiff
D.have a tendency to yaw

单项选择题If a vessel takes a sudden，severe list or trim from an unknown cause，you should FIRST（）.

A.determine the cause before taking countermeasures
B.assume the shift is due to off-center loading
C.counterflood
D.assume the cause is environmental forces

单项选择题If a vessel lists to port，the center of buoyancy will（）.

A.move to port
B.move to starboard
C.move directly down
D.stay in the same position

单项选择题Horizontal transverse motion of a vessel is known as（）.

A.pitch
B.surge
C.sway
D.heave