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
单项选择题For a vessel with list,a decrease in GMT will cause the angle of inclination to().
A.stabilize at an angle of loll B.decrease C.increase D.remain constant
单项选择题For a vessel inclined by the wind,multiplying the buoyant force by the horizontal distance between the lines of action of the buoyant and gravity forces gives the().
A.righting moment B.vertical moment C.longitudinal moment D.transverse moment