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
单项选择题Horizontal fore or aft motion of a vessel is known as().
A.pitch B.surge C.sway D.roll
单项选择题Heave is motion along the().
A.longitudinal axis B.transverse axis C.vertical axis D.centerline axis