D、Transmitter
38、There are _____ operational satellites in the INMARSAT system covering the whole globe except the polar regions . A、3 B、4 C、8 D、12
39、There are ______ NAVAREAs designated by IHO and IMO all over the world. A、13 B、11 C、16 D、12
40、There are some back-up satellites in the event of failure. If the operational satellite is out of work, ______ .
A、 communications in the whole system will stop B、the global system will be damaged C、the back-up one will take its place D、 the whole system will not work
41、What channel is general communication used ?
A、any appropriate channel except public communication
B、any appropriate channel except for public communications C、any appropriate channel besides public communication D、any appropriate channel beside public communication 42、What did you say on board _____ any part of the message is considered sufficiently important to need safe guarding ? A、which B、if C、why D、that
43、What do the general radio communication relate to? A、management of ship B、operation of ship C、safety of ship
D、a, b, c are all right
44、What does chapter IV of SOLAS deal with? A、SAR operation
B、radio communication C、equipment of GMDSS D、none of these
45、What information will a distress alert contain ? A、nature of distress
B、type of assistance required
C、course and speed and time at which the information was recorded D、 A, B, C are all right
46、What is AAIC of traffic system in China? A、CN05 B、CN03 C、CN06 D、CN04 47、What is COSPAS-SARSAT ? A、 an international satellite system for improving communications in polar regions B、 an international satellite system using a number of polar-orbiting satellites
C、 primary used for search and rescue D、B and C
48、What language does International NAVTEX use? A、Russian B、French C、English D、German
49、What part of the Inmarsat will the SES get access to if the commissioning is successful? A、The SES
B、The space segment C、Any CES
D、The CES decided by the applicant 50、What’s the abbreviation for the World Meteorological Organization? A、WMO B、IHO C、IMO D、WARC
51、What’s the advantage when using the satellites ?
A、The message can be directed to the desired location B、The message can follow the earth’s curvature
C、The quality of message can not be affected by climatic
D、The range of the message extend and the quality of reception is improved
52、When a mis-entry ______ in the logbook, a red line would be drawn through that part. A、has made B、make
C、has been made D、is making 53、When hearing a distress call, all station shall immediately cease any transmission capable of with the distress traffic.
A、interfere B、interfering
C、being interfered D、 interference
54、When receiving a distress alert, ship in the area addressed should establish communication with the _________ concerned to enable assistance to be ___________. A、RCC/given
B、RCC/ rendered C、SAR/united
D、RCC/coordinated 55、When receiving a distress alert, the SAR authorities ashore and the ships in the vicinity of the ship in distress will ______ in a coordinated search and rescue operation with the minimum delay . A、assist
B、send a rescue vessel
C、search the distress area
D、reach the distress position at once 56、When receiving a distress alert, the SAR authorities ashore and the ships in the vicinity of the ship in distress will ______ soonest. A、reach the distress area B、conduct a sector search C、send rescue vessels
D、 assist coordinately in SAR operation
57、When the beacon in the upright position is put into
water,transmission will start independent of the weitch_________the beacon.
A、at the bottom of B、at the top of C、at the left of D、at the right of 58、When the power of a SART is on , it will _____ . A、 transmit distress signal B、send response signal
C、transmit the signal of ship’s position D、 be interrogated by X-band radar
59、Which equipment may achieve bridge-to-bridge communication? A、MF B、HF C、VHF D、LF
60、Which expression has the different meaning from entry into force ? “entry into force” means is _____.
A、coming into effect
B、 moving to full effect C、being based on force D、 coming into force 61、which function is the most important one of the GMDSS. A、alerting
B、on-scene communication C、safety information D、general communication 62、Which of the following has the same meaning as the phrase “relating to” in the passage? A、owing to B、such as C、concern
D、For example
63、Which of the following is not a DSC distress alert frequency? A、2187.5KHZ B、2182KHZ C、8414.5KHZ D、4207.5KHZ
64、Which of the following is not the HF band? A、4MHZ B、8MHZ C、2MHZ D、16MHZ
65、Which of the following not correct? A、MSI is navigational and meteorological warnings, meteorological forecasts and other urgent messages broadcast to ships
B、In the GMDSS, MSI broadcast will be made on the INMARSAT safetyNet service and Navtex service
C、MSI is suitable for all ships in all waters of globe.
D、All ships over 300GT must be fitted with an INMARSAT safeyNet reception facility on and after 01 February 1999. 66、Which of the following statements is correct? A、NAVTEX station have the transmission power B、NAVTEX stations can transmit at the same time C、every NAVTEX stations have the different identification characters in each NAVAREA
D、There are 24 NAVTEX stations in each NAVAREA
67、Which of the following statements is not a basic flaw of the terrestrial techniques.
A、the need for specialization B、reception difficulties
C、congestion of communication D、height of antenna
68、Which of the following statements is right? A、The SART can be auto-operated in float-free position when combined with EPIRB
B、The SART can be auto-operated in parallel position at any time C、The SART can be auto-operated under the water sometimes
D、The SART can be auto-operated in vertical position some time. 69、Which of the following transmits and receives signals to and from the satellite using “L” band frequency? A、SES B、CES C、NCS D、NCC
70、why do some stations keep silence ? A、Because they are not engaged in the distress traffic
B、they will affect the transmission of the distress traffic C、The powers of these stations are very weak D、 They are not in charge of search and rescue 71、With the help of GMDSS ______ can be alerted to a distress incident as soon as possible .
A、 all ships in a large sea area B、only the sea authorities ashore C、 the SAR units ashore and at sea
D、 the port radios and the coast stations
72、_____ allows SAR party to locate the ship in distress by starting 9ghz shipborne radar. A、DSC B、EPIRB C、SART D、EGC
73、______ is a space system using one or more artificial earth satellites .
A、satellite network B、Satellite Link C、 INMARSAT
D、Satellite System
74、______ is the united nations agency responsible for the Radio Regulations among other things. A、ITU B、IMO C、MSC D、WMO
75、___________ means the Radio Regulations annexed to, or regarded as