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单选题
The range of a MF coast station is normally（）nm.
A
20 to 30
B
200
C
100
D
450
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单选题（）will normally provide sufficient information to seaward of fairway buoy or pilot station.A
Navarea warningsB
coastal warningsC
local warningsD
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单选题DSC distress relays can be transmitted by either（）or（）.A
a coast station/a ship stationB
an EPIRB/a SARTC
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单选题The distress message of a ship should include considerable information which might facilitate the rescue. This information should（）.A
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be sent to a Coast Guard station FIRSTC
be transmitted as a series of short messages，if time allowsD
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单选题On-scene communications will normally take place between（）.A
ship in distress and assisting unitsB
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ship in distress and coast station
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单选题General radio communications in the global system are those between（）concerning the management and operation of the ships and may have impact on their safety.A
SAR party and the ship in distressB
SAR authorities and the ship in distress and survival craftC
A ship station and any coast stationD
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单选题（）is an equipment used to detect the presence of ships ,buoys,coast and many other targels and to obtain range and bearing of these targets.A
The marine sextantB
The chronometerC
The echo sounderD
The radar
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straight lineB
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parabolaD
line parallel to the coast
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单选题The range of a light on Admiralty Charts is normally the（）.A
nominal rangeB
luminous rangeC
geographical rangeD
visible range
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单选题If a ship station relays a DSC distress call to an appropriate coast station, it means that（）.A
the ship has received the DSC distress call on a HF frequencyB
the coast station concerned has not acknowledged it within 5 minutesC
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A and B
考题
单选题If a DSC distress relay is transmitted from coast station , it will（）.A
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alert ships in the area of a distress incident that a distress has occurredC
inform other coast station of distress incidentD
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单选题The FEC mode is for（）from（）station to two or more other stations when available.A
receiving messages/one stationB
transmission/ one coast station or shipC
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contacting/other
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单选题（）is an area within the radiotelephone coverage of at least one VHF coast station in which continuous Digital Selective Calling is available.A
Sea Area A1B
Sea Area A2C
Sea Area A3D
Sea Area A4
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单选题Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）A
No, it receives the MSI from ship stationsB
Yes, it canC
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No, it can not receive the MSI sent from coast stations
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单选题Radar bandwidth is normally（）to the range scale and the associated pulse length.A
fixedB
matchedC
fittedD
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单选题How does a coast radio station communicating by HF radio normally identify itself?（）A
By its subscriber numberB
By its call signC
By its MMSID
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单选题（）can receive MSI sent by coast station.A
A NAVTEX receiverB
An EGC receiverC
MF/HF radio telephoneD
HF radio telephone with NBDP
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单选题If EGC receiver shares a same antenna with Inmarsat SES, it means that it can receive MSI（）.A
from any Inmarsat satelliteB
from any appropriate Navtex and EGC stationC
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from any RCC and coast station
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单选题A Coast Guard radiotelephone message about an aid to navigation that is off station is preceded by the word（）.A
PAN-PANB
MAYDAYC
SOSD
SECURITY
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单选题How is “radio silence” imposed?（）A
By the On Scene Coordinator (OSC)B
By the Coast Earth Station (CES) controlling the distress communications on that frequencyC
It is imposed by the Public Correspondence Station (PCS) controlling the distress communications on that frequency or channelD
It is imposed by the High Seas Service (HSS) controlling the distress communications on that frequency or channel
考题
单选题The Network Coordination Station for the INMARSAT-A coast stations in the Pacific ocean region is in（）.A
Yamaguchi, JapanB
Beijing, ChinaC
Nakhodka, RussiaD
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考题
单选题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.A
exchangeB
to exchangeC
exchangingD
exchanged
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