单项选择题

For GMDSS，when may a compulsory vessel not be allowed to leave port?（）

A.When the vessel is in an overloaded condition
B.When the vessel has arranged for both duplication of equipment AND shore-based maintenance
C.When the vessel has replaced a required piece of GMDSS-related equipment but its performance has not been verified or logged
D.When the vessel is carrying only two licensed GMDSS Radio Operators and is capable of performing all required functions

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单项选择题Each EPIRB required on a ship shall be tested using the integrated test circuit and output indicator every（）.

A.week
B.two weeks
C.month
D.two months

单项选择题Each Class A EPIRB shall be stowed in a manner which will permit（）.

A.easy access to its storage compartment
B.replacement of the battery without exposure to the weather
C.it to float free if the vessel sinks
D.it to remain attached to the vessel

单项选择题During an annual FCC inspection（）.

A.all required documents and publications may have to be produced
B.licensed GMDSS radio operators may be required to demonstrate equipment competencies
C.all required equipment must be fully operational
D.All of the above

单项选择题Class C EPIRBs are（）.

A.manually activated and operate on maritime (VHF) channels
B.automatically activated and operate on maritime (VHF) channels
C.manually operated and detected by satellite
D.automatically operated and detected by satellite

单项选择题Class A EPIRBs are required on（）.

A.self-propelled，inspected vessels
B.towing vessels
C.recreational vessels
D.uninspected passenger vessels