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

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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