A.drill stem guide
B.guide frame
C.drill string frame
D.casing guide
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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
A.the other services are run off a reducing station with a pressure gage
B.one of the required pumps is kept available for use on the fire main system at all times
C.no relief valves are installed
D.all of the above conditions are met
最新試題
A fishing vessel displaying the lights shown is（）.
An inert gas system on a tanker should be used to（）.
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（）.
A large valve，usually installed above the ram preventers，that forms a seal in the annular space between the pipe and wellbore or，if no pipe is present，on the wellbore itself is called the（）.
A jack-up drilling rig being towed must（）.
A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）
How could lashing gear used aboard Ro-Ro vessels be stowed when not in use? （）
A fire is discovered in the bow of your vessel while making way. The wind is from ahead at 35 knots. You should（）.
A safe fuel system must（）.