可疑头盆不称者试产时间为

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

Which of the following is a required GMDSS function？

A.Bridge-to-bridge communications

B.Reception of weather map facsimile broadcasts

C.Both of these

D.None of these

Which statement is false regarding the maintenance of GMDSS equipment at sea？

A.The GMDSS operator may not be the person designated to have primary responsibility for radio communications during distress incidents

B.Ships must carry at least one person who qualifies as a GMDSS maintainer for the maintenance and repair of equipment if the at sea maintenance option is selected

C.All at sea maintenance and repairs must be performed by, or under the supervision of a person holding a GMDSS First/Second Class Radio Electronic Certificate

D.The GMDSS maintainer may be the person responsible for ensuring that the watches are properly maintained and that the proper guard channels and the vessel’s position are entered in the DSC equipment

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

Which of the following is a required GMDSS function？

A.Transmit and receive location signals

B.Transmit and receive general communications

C.Both of these

D.None of these

A.daily testing

B.either A or C

C.operational use of the equipment

D.testing at least every 48 hours

A、a sports equipment

B、many equipments

C、a piece of equipment

D、sports equipments

Which is not a functional requirement of GMDSS MF/HF equipment？

A.Radiotelephony on 2152 KHz

B.Transmitting distress signals by DSC on 2187.5 KHz

C.Receiving and Watch keeping by DSC on 2187.5 KHz

D.Transmitting and receiving by NBDP with MF