A、A.daily testing
B、B.either A or C
C、C.operational use of the equipment
D、D.testing at least every 48 hours
更多“At sea，all required GMDSS equipment（other than survival craft equipment）must be proven operational by（）.”相关的问题
A、A.Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea B、B.Each compulsory vessel must carry at least two licensed Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as well C、C.Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communications D、D.While at sea，adjustments to，and the maintaining of，GMDSS equipment may be performed by the GMDSS Radio operator as long as the work is supervised by an onboard licensed GMDSS Radio Maintainer
A、Certificate of Inspection B、American Bureau of Shipping Classification Certificate C、International Convention for the Safety of Life at Sea Certificate D、Certificate of Registry
A、Sailors keep uplook at sea. B、Sailors keep outlook at sea. C、Sailors keep lookout at sea. D、Sailors keep lookup at sea.
A、GMDSS radio logs are required to contain entries pertaining to all incidents connected to radio communication service which appear to be of importance to the safety of life at sea B、All distress communications must be entered in the GMDSS radio log C、Both of the above D、None of the above
A、Classification Society Rules B、National requirements C、The IMO International Convention for the Safety of Life at Sea D、All of the above
A、all ships in a large sea area B、only the sea authorities ashore C、the SAR units ashore and at sea D、the port radios and the coast stations
A、the same, whether at sea, or during maneuvering B、adjusted during each hour of operation while at constant RPM C、higher at sea than while maneuvering D、lower at sea than while maneuvering
A、clearance requirements for all regulatory bodies have been met B、health requirements have been met and no further quarantine formalities are required C、shipment will be made at no cost D、tonnage taxes are not required to be paid
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