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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A.drill stem guide
B.guide frame
C.drill string frame
D.casing guide
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
A.one control
B.two controls
C.three controls
D.none of the above
A.anchored
B.underway but not fishing
C.tending a small fishing boat
D.fishing by trawling
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
最新試題
A large metallic device，mounted directly in the piping (usually located at the dock near the point where the vapor hose is attached)，designed to prevent the passage of a rapidly moving flame through the piping is called a（）.
A large basin cut into the shore，closed off by a caisson，and used for dry docking of ships is known as a（）.
A hand held instrument used to measure distances between objects and the ship is a（）.
A fishing vessel displaying the lights shown is（）.
A helmsman receives the command “Right 15 degrees rudder.”The helmsman’s IMMEDIATE reply should be（）.
A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a（）.
A fire pump may be used for other purposes if（）.
How could lashing gear used aboard Ro-Ro vessels be stowed when not in use? （）
An inert gas system on a tanker should be used to（）.
It is not necessary to declare（）in the Health List.