A.Aye Aye Sir
B.Right 15 degrees rudder
C.Rudder is right 15 degrees
D.No reply is necessary，just carry out the order
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A.heavy-walled drill pipe
B.tool joint
C.down hole tool
D.drill collar
A.main brace
B.tow span
C.jockey bar
D.None of the above
A.one sidelight
B.one sidelight and a masthead light
C.one sidelight and two masthead lights
D.both sidelights of a vessel and her masthead light(s)
A.vernier
B.psychrometer
C.hygrometer
D.stadimeter
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
最新試題
A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes 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 head-on situation at night is one in which you see dead ahead a vessel showing（）.
A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）
All ships（）suspected infectious disease on board should radio information to Port Health Officer.
It is not necessary to declare（）in MARITIME HEALTH DECLARATION.
A jack-up drilling unit elevated on the Outer Continental Shelf must have a fog horn that will sound（）.
A helmsman receives the command “Right 15 degrees rudder.”The helmsman’s IMMEDIATE reply should be（）.
Cargo transfer operations on a tank vessel need NOT be stopped when（）.
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（）.