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

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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

单项选择题

Your vessel is damaged and is listing to port. The rolling period is short. There is sufficient freeboard so that deck edge submersion is not a problem. What corrective action should be taken FIRST in regard to the vessel’s stability?（）.

A.Press up any slack double-bottom tanks to eliminate free surface
B.Flood any empty double-bottom tanks to add weight low and down
C.Jettison topside weights to reduce KG and KB
D.Shift any off-center weights from port to starboard

单项选择题

Your vessel is damaged and listing to port. There is a short rolling period around the angle of list. The portside freeboard is reduced to 1 foot. There is no trim and the weather is calm. You should FIRST（）.

A.press up a slack double bottom tank on the port side
B.fill an empty centerline double bottom tank
C.pump out a slack marine portable tank located on the portside amidships
D.jettison the anchors and anchor cables