laying a pipeline
dredging
mineclearing
not under command
第1题：
Rule 14 describes the action to be taken by vessels meeting head-on. Which of the following conditions must exist in order for this rule to apply?______.
A.Both vessels must be power-driven.
B.They must be meeting on reciprocal or nearly reciprocal courses.
C.The situation must involve risk of collision.
D.All of the above
第2题：
Fire protection regulations for towing vessels require that drills be conducted on board the vessel as if there were an actual emergency．Drills include all of the following，EXCEPT ______．
A.testing all alarm and detection systems
B.breaking out and using the vessel's emergency equipment
C.participation by selected crew members
D.one person putting on protective clothing，if the vessel is so equipped
第3题：
On which vessels is GMDSS required?______.
A.All vessels capable of international voyages
B.Vessels operating outside of the range of VHF coastal radio stations
C.SOLAS Convention ships of 300 gross tonnage or more
D.Coastal vessels of less than 300 gross tons
第4题：
In a crossing situation on open waters, a sailing vessel shall keep out of the way of all the following vessels EXCEPT a vessel ______.
A.not under command
B.retricted in her ability to maneuver
C.engaged in towing
D.Fishing
第5题：
The following conditions，except ______，require that vessels be towed through the entire Canal．
A.vessels without mechanical motive power
B.vessels with disabled machinery or bad steering
C.vessels with dangerous cargoes on board
D.vessels liable to become unmanageable for any other reason
第6题：
A vessel sailing shall keep out of the way of all of the following vessels except a vessel ______.
A.not under command
B.engaged on pilotage duty
C.restricted in her ability to maneuver
D.engaged in fishing
第7题：
There is a ______ when one or more vessels are towing or pushing another vessel or vessels，provided that they are all involved in commercial activities and not in a salvage operation．
A.private safety
B.private maritime adventure
C.common safety
D.common maritime adventure
第8题：
Radar reflectors are required for ______.
A.all fishing vessels over 39 feet in length
B.sail-propelled fishing vessels
C.all fishing vessels of less than 200 GT
D.wooden hull fishing vessels with a poor radar echo
第9题：
A proper look-out shall be maintained ______.
A.only at night
B.only during restricted visibility
C.at night and during restricted visibility
D.at all times
第10题：
In which situation do the Rules require both vessels to change course ?______.
A.Two power-driven vessels meeting head-on
B.Two power-driven vessels crossing when it is apparent to the stand-on vessel that the give-way vessel is not taking appropriate action
C.Two sailing vessels crossing with the wind on the same side
D.All of the above