单项选择题
A.draws more water than when underway in deep water B.draws less water with an increase in speed C.requires less power for a given speed D.steers better under full power
A current moving across a lock entrance toward the rive...
单项选择题A current moving across a lock entrance toward the river or toward the dam is called a(n)（）.
A.cutoff B.outdraft C.lockwash D.springpool
A common occurrence when a vessel is running into shall...
单项选择题A common occurrence when a vessel is running into shallow water is that（）.
A.the wake is less pronounced B.the vessel is more responsive to the rudder C.squat will cause a decrease in bottom clearance and an increase in draft D.All of the above
（）is the vertical distance measured on the vessel’s sid...
单项选择题（）is the vertical distance measured on the vessel’s side amidships from the load water line to the upper side of the freeboard deck or a point corresponding to it.
A.Buoyancy B.Freeboard C.Draft D.Displacement
