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
Entries should be made in a Ro-Ro vessel’s cargo-securing device record book for（）.
An inert gas system on a tanker should be used to（）.
A green buoy has a yellow triangle on it. This is a(n)（）.
A hand held instrument used to measure distances between objects and the ship is a（）.
An obstruction on a helodeck is any object that might present a hazard to the（）.
A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）
A helmsman receives the command “Right 15 degrees rudder.”The helmsman’s IMMEDIATE reply should be（）.
After sending a message describing the symptoms of an ill crew member，you receive a message containing the code MRL. This means（）.
A safe fuel system must（）.
It is not necessary to declare（）in MARITIME HEALTH DECLARATION.