單項(xiàng)選擇題Bridge-to-bridge communication means()communications between ships from the position from which the ships are normally navigated.

A.distress
B.urgent
C.safety
D.general


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3.單項(xiàng)選擇題()process the distress signal from EPIRB to determine its position and identity.

A.COSPAS-SARSAT
B.ground receiving stations
C.storing distress signal
D.Near polar orbiting satellites

4.單項(xiàng)選擇題The range of a MF coast station is normally()nm.

A.20 to 30
B.200
C.100
D.450

5.單項(xiàng)選擇題Exchange of answer-backs acts a confirmation that the messages()at the destination.

A.have received
B.have been received
C.are received
D.are being received

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()by an ice-breaker, it is important to maintain a continuous listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals.

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Particular care should be()in selecting CESs in areas where Ocean Regions overlap.

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

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Radio communication()for many years and helps to save tens of thousands of lives.

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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.

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Radiotelephony communication or radio telex communication or both will be carried out by terrestrial or satellite means,()the equipment fitted on ship and the area in which the incident occurs.

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The rescue coordination center may()on stations which interfere with traffic.

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Distress traffic is the communication()between the station in distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work.

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In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous()alert.

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Ship-to-ship distress alerting should be conducted by().

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