must be fixed if the vessel exceeds 12 meters in length
may be used as a fire pump
must be portable if there are more than 4 watertight compartments
must be capable of pumping at least 450 gpm
第1题：
A fishing vessel displaying the lights shown is ______.
A.anchored
B.underway but not fishing
C.tending a small fishing boat
D.fishing by trawling
第2题：
For the purpose of the Rules, except where otherwise required, the term ______.
A.vessel includes seaplanes
B.seaplane includes non-displacement craft
C.vessel engaged in fishing includes a vessel fishing with trolling lines
D.vessel restricted in her ability to maneuver includes fishing vessels
第3题：
Pump out No. 2 port ballast tank to ______.
A.keep vessel afloating
B.refloat vessel listing to starboard
C.make vessel all-right
D.bring vessel upright
第4题：
under sail
towing
restricted in her ability to maneuver
engaged in pilotage duty
第5题：
Open the bilge pump for inspection
Remove each of the manifold valves
Remove only the manifold valve to the affected bilge-well
Attempt to pump out another bilge well to determine if the entire system is affected
第6题：
Bilge keels are fitted on ships to ______．
A.Assist in drydock alignment
B.Improve the vessel's stability
C.Protect the vessel from slamming against piers
D.Reduce the rolling of the vessel
第7题：
The fishing vessel because it is to port of the sailing vessel
The fishing vessel because it is fishing
The sailing vessel because it is to starboard of the fishing vessel
The sailing vessel because it is sailing
第8题：
How to pump out bilge water in the engine room?
第9题：
anchored
underway but not fishing
tending a small fishing boat
fishing by trawling
第10题：
turbine
screw
vane
ejector