單項選擇題A green buoy has a yellow triangle on it. This is a(n)().

A.information or regulatory buoy that has lateral significance
B.buoy that is off-station and is marked to warn mariners of its wrong position
C.dual purpose marking used where the ICW and other waterways coincide
D.buoy that was set in error and will be replaced with a red nun buoy


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2.單項選擇題A flooded leg on a liftboat would adversely affect the vessel’s stability underway by().

A.increasing the righting moment
B.decreasing the vessel's displacement
C.increasing the reserve buoyancy
D.shifting the CG (center of gravity) off center

4.單項選擇題A fishing vessel displaying the lights shown is().

A.anchored
B.underway but not fishing
C.tending a small fishing boat
D.fishing by trawling

5.單項選擇題A fishing vessel casualty must be reported to the Coast Guard if it involves().

A.loss of life
B.an injury requiring only first aid
C.$(SA)10,000 in property damage
D.loss of equipment which doesn't reduce the vessel's maneuverability