單項(xiàng)選擇題Distress traffic()all messages relating to the immediate assistance required by the ship in distress, including search and rescue communications and signals for locating.

A.consists of
B.is consisted of
C.consisted of
D.are consisted of


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1.單項(xiàng)選擇題The transmission of a()indicates that a ship is in distress and requires immediate assistance.

A.urgent traffic
B.distress alert
C.routine traffic
D.NAVTEX message

2.單項(xiàng)選擇題The GMDSS is composed of().

A.satellite and terrestrial communication systems
B.only navigational and alerting systems
C.just MSI system and locating system
D.SAR co-ordination system

3.單項(xiàng)選擇題MSI is broadcast via().

A.NAVTEX
B.EGC
C.HF-telex
D.all of above

4.單項(xiàng)選擇題The existing terrestrial radio system has a number of basic flaws which().

A.can be overcome by using traditional techniques
B.cannot be overcome by satellite system
C.can be overcome by satellite and digital techniques
D.cannot be tackled by any modern system

5.單項(xiàng)選擇題From the ship owner’s point of view,()is the most important advantage Inmarsat providing with.

A.business opportunity
B.good-quality radio telephone conversations
C.telex service
D.both B and C

最新試題

()will form the basis for distress alerting and safety calling.

題型:單項(xiàng)選擇題

At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of()tons gross tonnage and upwards but less than 500 tons gross tonnage.

題型:單項(xiàng)選擇題

Stations in the United States of America are grouped by states arranged in the alphabetical order of their().

題型:單項(xiàng)選擇題

Every lifeboat which is fitted with a fixed two-way vhf radiotelephone apparatus with()which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.

題型:單項(xiàng)選擇題

The frequency()the safety message will be transmitted shall be included in DSC safety call.

題型:單項(xiàng)選擇題

What following is not among the function of SOLAS ships?()

題型:單項(xiàng)選擇題

Every lifeboat which is fitted with a fixed two-way()radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.

題型:單項(xiàng)選擇題

The quality of EGC messages is()affected by the position of the ship, the time of reception and climatic conditions.

題型:單項(xiàng)選擇題

International Navtex service means the coordinated broadcast and automatic reception on()khz of maritime safety information by narrow-band direct-printing telegraphy using English language.

題型:單項(xiàng)選擇題

The vessel has stayed in port for seven days because she needs().

題型:單項(xiàng)選擇題