A.vernier
B.psychrometer
C.hygrometer
D.stadimeter
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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
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
最新試題
A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）
Cargo transfer operations on a tank vessel need NOT be stopped when（）.
A large basin cut into the shore，closed off by a caisson，and used for dry docking of ships is known as a（）.
Permanent magnetism is found in（）.
A helmsman receives the command “Right 15 degrees rudder.”The helmsman’s IMMEDIATE reply should be（）.
A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind （）.
A fishing vessel casualty must be reported to the Coast Guard if it involves（）.
It is not necessary to declare（）in MARITIME HEALTH DECLARATION.
A fire pump may be used for other purposes if（）.
A safe fuel system must（）.