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单选题 In what circumstance(s), must a GMDSS-equipped vessel carry equipment capable of MF DSC transmission and reception?

A、 When operating in areas of no INMARSAT coverage.
B、 When operating outside of VHF-DSC range off shore.
C、 Only if not equipped with the Enhanced Group Call System.
D、 In all operating ocean areas.
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相关试题

单选题 The GMDSS is composed of ______.

A、satellite and terrestrial systems
B、only navigation and alerting systems
C、just MSI system and locating system
D、SAR co-ordination system

单选题 Which statement is false regarding a GMDSS-equipped ship?

A、A conditional or partial exemption may be granted, in exceptional circumstances, for a single voyage outside the sea area for which the vessel is equipped.
B、Ships must have the required equipment inspected at least once every 12 months.
C、Ships must carry at least three persons holding GMDSS operator's license for distress and safety radio communications purposes.
D、The regulations apply to all passenger ships regardless of size and cargo ships of 300 gross tons and upwards.

单选题 The GMDSS is composed of ______.

A、satellite and terrestrial communication systems
B、only navigation and alerting systems
C、just MSI system and focating system
D、SAR co-ordination system

单选题 The communication system used by the GMDSS includes ______.

A、short-range and long-rang radio system
B、INMARSAT and COSPAS-SARSAT
C、long-range and terrestrial radio system
D、the terrestrial and satellite communication systems

单选题 The GMDSS defines four sea areas based on the ______.

A、location and capacity of the facilities located on board ships
B、position and type of a ship station
C、capacity and location o shore based communication facilities
D、position and capacity of mobile communication stations

单选题 What is the primary purpose of the GMDSS?

A、Environmental protection.
B、A common international communications system for all shipping.
C、Automate and improve emergency communications for the world's shipping industry.
D、Effective and inexpensive communications.

单选题 The GMDSSis a world-wide communication network combining ______ with ______.

A、satellite;terrestrial system
B、INMARSAT;COSPAS-SARSAT
C、SART;EPIRB
D、geo-stationary;polar-orbiting satellites

单选题 GMDSS is the abbreviation of ______.

A、the Global Maritime Distress and Safety System
B、the Global Marines Distress and Safety System
C、the Global Maritimes Distress and Safety System
D、the Global Marine Distress and Safety System