2012GMDSS英语最新题库331题

C 1. In GMDSS, the techniques which will be available for SAR coordinating communications will be______.

A. radiotelephony only

B. radiotelex only

C. radiotelephony or radiotelex or both

D. Digital Selective Calling

D 2. Where is the geostationary orbit of INMARSAT situated?

A. over the ocean

B. on the globe

C. near polar

D. above the equator

A 3. _________indicates that a ship is distress and requires immediate assistance.

A. Distress traffic

B. Urgency traffic

C. Safety traffic

D. Routine message

C 4. The INMARSA T space segment ______the satellite and support facilities operated by inmarsat.

A. is made of

B. refers to

C. consists of

D. is based on

A 5. A digital calling system used to call ships. And coast stations using frequencies in the MF, HF or VHF bands, as is

defined by CCIR recommendations 493 and 541, is a(n)_______.

A. DSC system

B. EGC

C. Terrestrial Radio

D. Alerting system

A 6. Which of the following modulations is for the VHF radio telephone?

A.G3E

B.F3E

C.G2B

D.F1B

B 7. The position of the inmarsat satellite over the IOR is ____.

A.180 above the equator

B. 64.5E over the IOR

C.15.5 along the straight line

D.55.5 above the equator

D 8. Which of the following is not a DSC watch frequency?

A.2187.5KHZ

B. 12577KHZ

C. 6112KHZ

D.2182KHZ

D 9. SOLAS ships ______to stand by on channel 16_______.

A. has been required/in 1984

B. has been required/before 1984

C. are required/in 1984

D. has been required/since 1984

B. 10. In Inmarsat system, each LES provides, as a minimum, ________.

A. telephone

B. telephone and telex

C. telephone, telex and facsimile

D. telephone, telex, facsimile and data

D. 11. What statement is false regarding homing signals in GMDSS?

A. They are signals transmitted by mobile units in distress.

B. They may be transmitted by survival craft.

C. They can be used to determine the bearing to the transmitting stations.

D. They can be used to determine the latitude-and-longitude position of the vessel transmitting these signals when using

SARTs.

B. 12. There are at present three types of beacons, namely ELTs, EPIRBs and PLBs. ________is usually

used on board ship.

A. ELTs

B. EPIRBs

C. PLBs

D. ELTs and PLBs

A. 13. Each NCS works as a type of _________, assisting controlling and monitoring telex and telephone network as quickly

as possible.

A. switch operator

B. communication gateway

C. national operator

D. on-scene commander

C. 14. A radio link between a transmitting earth station and a receiving earth station through one satellite is named a ______.

A. Radio link

B. Space segment

C. Satellite link

D. Upper link

A. 15. There is little chance of the frequencies __________for maritime purpose being increased.

A. allocated

B. spent

C. put

D. submitted

B. 16. Which of the following is a valid 22-MHZ ITU Channel?

A. VHF channel 22

B. HF channel 2206

C. Channel 22 when used for VTS communications

D. Frequency 2206khz

C. 17. An “area call” is usually applied to ________.

A. alert all ships in a limited sea area

B. all ships

C. send the alert to the ships in vicinity of distress incident

D. several ships

C. 18. Ships sailing in ________are able to receive and print out EGC messages.

A. a fixed area or Navarea in any ocean region

B. a Navarea or weather forecast area

C. any designated area or given geographic position under the Inmarsat satellites

D. anywhere of the world

B. 19. Sea area A2 is an area within the coverage of at least one_________.

A. VHF coast station

B. MF coast station

C. satellite

D. RCC

C. 20. Ships sailing in area A2 will at least be capable of transmitting a ship-to-shore alert on_____.

A. COSPAS-SARSAT

B. 156.525MHZ DSC

C. 2187.5KHZ DSC and satellite EPIRB

D. 2182KHZ R/T and satellite EPIRB

D. 21. What kind of transmission mode will be used in SSB voice communication?

A. CW

B. A2H

C. A1A

D. J1E

D. 22. Which statement is true regarding changing the printing paper in NA VTEX receivers?

A. A message received while changing printing paper will be re-received on the next broadcast.

B. A message received while changing printing paper will activate a sound alarm and wait five minutes before starting to

print the message.

C. Except for a distress message, a routine NA VTEX message will not be repeated unless requested.

D. Printing paper should be changed during silent periods to avoid missing important NA VTEX messages.

B. 23. COSPAS-SARSAT is the international satellite system ______.

A. just the same as INMARSA T system

B. for search and rescue

C. for improving the communications in the polar regions

D. Near-polar orbiting satellites

D. 24. ________is safety communication between ships from the position from which the ships are normally navigated.

A. VHF communication

B. MF communication

C. INMARSA T communication

D. Bridge-to-bridge

C. 25. Which INMARSA T system supports facsimile communications?

A. Standard-C, ship to shore and shore to ship

B. COSPAS-SARSAT

C. Standard-F

D. NBDP

D. 26. In general, there are two parts in an SES. One of these is antenna equipment, also referred to as_________.

A. BDE

B. UDE

C.AEP

D. ADE

B. 27. The identifications character of each Navtex station is regarded as _________to the message.

A. the only preamble

B. a pare of the preamble

C. the closing

D. the suspension

B. 28. NA V AREA warnings generally concern information __________.

A. in coastal waters

B. in offshore waters

C. within the limits of a harbour

D. which the ocean-going ship does not require

A. 29. All stations which receive a distress alert shall immediately cease_______.

A. any transmission

B. any harmful transmission

C. to use radiotelephone

D. using radiotelephone C. 30. Which service does not EGC have?

A. Fleet Net

B. MSI transmission

C. SART distress alerting

D. Safety Net

C. 31. If we pass the exam, it may be possible for you to obtain ________.

A. the First-class Radio electronic Certificate

B. the second-class Radio electronic Certificate

C. the General Operator’s Certificate

D. the Restricted Operator’s Certificate

A. 32. D/F is the abbreviation for Direction_______.

A. Finding

B. Found

C.Foundation

D. Founder

D. 33. SOLAS vessels should be able to communicate with a shore station ________.

A. no matter where they are and what time it is

B. at scheduled time and in major ocean regions

C. at fixed time and position

D. when they get permission

A. 34. The GMDSS is a world-wide communication network combine ______with________.

A. Satellite/terrestrial system

B. INMARSAT/COSPAS-SARSAT

C. SART/EPIRB

D. Geo-stationary/ polar orbiting satellites

B. 35. Calls/messages should be sent only _____the master or the person responsible for the ship.

A. on behalf of

B. on the authority of

C. according to

D. with the approval

B. 36. In NA VTEX service, VITAL warnings will ________by transmitting station.

A. be transmitted at once though the frequency is not clear

B. be transmitted as soon as the frequency is clear co-ordinatedly

C. be transmitted at its scheduled transmissions

D. be transmitted at next scheduled transmitted

B. 37. For locating the ship in distress, the SAR party will make use of ________by starting 9GHZ shipborne or airborne

radars.

A. DSC

B.SART

C. EPIRB

D.NBDP

A. 38. When the beacon in the _______position is put into water, transmission will start independent of the switch at the top of

the beacon.

A. upright

B. vertical

C. parallel

D. float-free

D. 39. Ships fitted with GMDSS installations are unable to receive weather information by means of________.※

A. Navtex

B. NBDP terminals

C. EGC receivers

D. DSC terminals

D. 40. The frequency 518kHZ will be used to transit ________and ______warnings in NA VTEX.

A. navigational/typhoon

B. traffic/meteorological

C. marine/hurricane

D. navigational/meteorological

A. 41. For communication between two stations the _____mode should be used when available.

A. ARQ

B. FEC

C. SEL-CALL

D. EGC

B. 42. In the communication of INMARSAT, _________communication has the absolute priority over all other transmissions.

A. routine

B. distress

C. urgency

D. security

B. 43. The abbreviation WWNWS means_______.

A. World Wide Network Warning Station

B. World Wide Navigational Warning Service

C. World Wide Number Warning Station

D. World Wide Network Watch Service

D. 44. The character B1 is a single unique letter allocated each ________.

A. RCC

B. CES

C. Receiving earth station

D. NA VTEX transmitter

B. 45. The EPIRB may __________sea water, chemicals and any other environmental conditions.

A. work well regardless of

B. be damaged by

C. get red of

D. not be destroyed by

A. 46. What is the minimum personnel requirement of GMDSS ships trading in the sea area A1?

A. Restricted Operator’s Certificate

B. General Operator’s Certificate

C. second-class Radio electronic Certificate

D. First-class Radio electronic Certificate

C. 47. What happens when the operator dials the Shore I.

D. followed by the “#”sign in initiating a voice call via INMARSAT

Standard-B?

A. A steady tone is heard

B. The telephone operator comes on

C. A ring-back tone is heard for about 1.5 seconds

D. A wailing tone is heard

B. 48. International SafetyNet and Navtex Services promulgate MSI by mean of _________.※

A. FEC and ARQ

B. satellite and terrestrial

C. radio and telex

D. NBDP

D. 49. GMDSS is to provide __________with reliable communication.

A. all large passenger vessels

B. freighters of more than 300gt in coastal waters

C. all passenger ships and cargo ships engaged in international-voyages

D. all passenger ships and cargo ships of 300gt upwards

D. 50. The SART should have sufficient battery capacity to operate in the stand-by condition for ____hours and should

continuously work for _________hours.

A. 120/20

B. 56/18

C. 100/16

D.96/8

B. 51. It is optional for mariners to combine the SART with________.

A. a satellite SES

B. a float-free satellite EPIRB

C. an EGC receiver

D. a NA VTEX receiver

A. 52. A Navtex station in each NA VAREA is usually allowed to have _________for transmission.

A. 10minutes every 4hours

B. half an hour every other hour

C. irregular period of time

D.5 minutes every two hours

C. 53. What is the purpose of Maritime Safety Information broadcasts?

A. To provide hourly weather broadcast from coast radio stations

B. To provide traffic lists from coast radio stations

C. To maximize receotion of mobile distress alerts, weather forecasts, coastal warnings and similar information

D. To allow the transmission of messages to pre-defined groups of subscribers

B. 54. An area within the coverage of at least one MF shore station in which continuous DSC distress alerting is available is

________.

A. Sea area A1

B. Sea area A2

C. Distress area

D. GMDSS area

A. 55. The chapte rⅣof SOLAS Conventions is about __________.

A. maritime radio-communications

B. navigational regulations

C. terms and definitions

D. GMDSS instructions

B. 56. Polar orbiting satellite service means a service which is based on ______which relay distress alerts form satellite EPIRB

and which provides their position.

A. geostationary satellite

B. near-polar orbiting satellite

C. polar orbit

D. terrestrial satellite

D. 57. Mariners should pay much attention in the overlapped area owing to _______.

A. complicated circumstances

B. changeable atmospheric pressure

C. large density of traffic

D. some strong signals from unwanted satellites

C. 58. In GMDSS distress alerting can be transmitted in ________directions.

A. 1

B. 2

C. 3

D. 4

B. 59. It is required that ships proceeding at sea should keep continuous watch on _____.

A. VHF channels 16 and 13

B. Appropriate DSC distress and safety frequencies

C. INMARSAR TDM message channel

D. VHF channel 70 and channel 8

B. 60. In GMDSS, any kind of EPIRB can have the abilities to keep water proof for ______in 10m deep.

A.2min

B.5min

C.10 min

D.15 min

A. 61. Which of the following regarding AMVER is false?※

A. A vessel position-reporting system operated by the United Kingdom

B. It can be taken part in by any merchant vessel of 1000gt or more on a voyage lasting longer than 24 hours, to and

from anywhere on the world

C. It is the abbreviation of Automated Mutual-assistance Vessel Rescue system

D. It is a ship reporting system in practice

B. 62. A distress alert can be relayed from an RCC by ________.

A. major coast stations

B. satellite and terrestrial communications

C. MF/HF and VHF station

D. COSPAS-SARSAT

A. 63. The list of Coast Stations is republished _______in a trilingual.

A. every two years

B. every three years

C. every year

D. every four years

D. 64. 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 for which the vessel is equipped

B. Ships must have the required equipment inspected at least once every 12 months

C. The regulations apply to all passenger ships regardless of size and cargo ships of 100 gross tons and upwards

D. Ships must carry at least three persons holding GMDSS operator’s license for distress and safety radio

communications purpose

A. 65. What services are available through Enhanced Group Calls?

A. Maritime safety information and messages to pre-defined groups of subscribers

B. Maritime safety information and vessel traffic lists

C. Hourly weather broadcasts from CRSs

D. Coastal weather broadcasts

D. 66. What frequencies are used for receiving HF MSI?

A. HF MSI is transmitted on a primary frequency of 518KHZ and on a secondary frequency of 490KHZ.

B. HF MSI is transmitted on 8414.5KHZ plus one other (undesignated) HF frequency.

C.HF MSI is transmitted on the third ITU channel in each HF band (2,4,6,8,12,16 and 22MHZ)

D. HF MSI is transmitted on certain dedicated frequencies.

B. 67. General radio communications in the global system may _______ship’s safety.

A. be responsible for

B. have an impact on

C. command

D. give a guidance to

D. 68. What immediate remedy can be used to correct shadowing of the satellite signal by a shipboard obstruction?

A. Relocate the mast or other obstruction

B. Raise the transmit power level

C. Change the ship’s course

D. Increase the receiver gain

A. 69. A Class1 MES is capable of ____.

A. ship-to-shore and shore-to-ship message transfer and distress alerting, but is not capable of receiving EGC messages

B. ship-to-shore and shore-to-ship message transfer and distress alerting, and be capable of receiving EGC messages

C. ship-to-shore and shore-to-ship message transfer and receiving EGC messages, but is not capable of distress alerting

D. distress alerting and receiving EGC messages, but is not capable of ship-to-shore and shore-to-ship message transfer C. 70. There are ____ NA VAREAS designated by IHO and IMO all over the world.

A.13

B.4

C.16

D.12

C. 71. A SART will generate _____when being interrogated by radar.

A. distress signals

B. distress alert

C. response signals

D. on-scene communications

A. 72. Which system is often used to provide accurate vessel position to the GMDSS equipment?

A. GPS

B.COSPAS-SARSA T

C.EPIRB

D.INMARSAT-F

C. 73. What is the fundamental purpose of a coast radio station?

A. To provide a delivery in E-mail service for ships with routine, safety, urgency, or distress message traffic.

B. To automatically connect a vessel placing an INMARSA T call with the station being called

C. To coordinate search and rescue communications

D. To provide continuous digital selective calling coverage

B. 74. Traditional and terrestrial techniques_______.

A. can help the radio system to overcome its drawbacks

B. are unable to perfect the existing system

C. are out of date

D. are useless to the radio system

D. 75. Which statement is true regarding changing the printing paper in NA VTEX receivers?

A. A message received while changing printing paper will be re-received on the next broadcast.

B. A message received while changing printing paper will not be repeated unless requested.

C. Except for a distress message, a routine NA VTEX message will not be repeated unless requested.

D.Printing paper should be changed during silent periods to avoid missing important NA VTEX messages.

C. 76. According to what criteria are messages transmitted by the CES?

A. First In, First Out

B. Last In, First Out

C. Priority, e.g.: distress, urgency, safety and routine

D. Serial Number

C. 77. Meteorological services will be developed by_____.

A. IMO

B. IHO

C. WMO

D. RCC

B. 78. The abbreviation WWNWS means_____.

A. World Wide Network Warning Station

B. World Wide Navigational Warning Service

C. World Wide Number Watch Station

D. World Wide Network Watch Service

A. 79. When the beacon in the____ position is put into water, transmission will start independent of the switch at the top of the

beacon.

A. upright

B. vertical

C. parallel

D. float-free

B. 80. ____has the right to impose silence on stations which interfere with distress traffic.※

A. CES

B. RCC

C. OSC

D. SES

A. 81. In addition to the identification and position of the distress, the distress alert may also contain information regarding

the_____, the type of assistance, the course and speed of the ship and the time at which the information was recorded.

A. nature of distress

B. natural distress

C. series of distress

D. radius of distress

C. 82. EPIRB batteries must be clearly____ with their expiry date, the serial number and the identification code.

A. noted

B. written

C. marked

D. notified

B. 83. For COSPAS-SARSAT system, _____ transmit distress alert and location information to appropriate rescue authorities

all over the world.※

A. Polar orbiting satellites

B. Ground receiving station

C. MCC

D. ROC

D. 84. What is an EGC “ENID”?

A. This identifies the vessel’s selective calling (selcall) number.

B. This is the INMARSAT number that is assigned to a unit for incoming calls.

C. This is the vessel’s INMARSAT registration number for accounting authority purpose.

D. This number is used for receiving news and other optional services in Fleetnet.

C. 85. Which one of the following NA VTEX questions is false?※

A. NA VTEX is a single frequency NBDP system that transmits FEC broadcasts on 518Khz.

B. A selective message-rejection feature of the receiver allows the mariner to receive only that safety information

pertinent to his requirements.

C. NA VTEX is broadcast only in the local language of the station and adjacent NA VAREAS.

D. NA VTEX carries information relevant to all sizes and types of vessels within a region established for this service. A. 86. Every ship shall carry personnel qualified for ___ to the satisfaction of the Administration.

A. distress and safety radio communication purposes

B. life-saving purpose

C. GMDSS requirements

D. emergency position

B. 87. Messages bearing the priority marking ROUTINE are to be broadcast_____.

A. immediately

B. at the next scheduled transmission

C. during the next available period

D. at anytime

A. 88. _____is the INMARSA T-C NCS ID of the W-AOR.

A. 044

B. 001

C. 211

D. 144

C. 89. In which sea area(s), INMARSA T services are available?

A. Sea Area A1 is included

B. Sea Area A1 only

C. Sea Area A1, A2 and A3

D. Excluding Sea Area A1

D. 90. What kinds of ships may not use SOLAS convention?

A. 100T:G:T upward

B. Passenger ships

C. 100T:G:T cargo ship

D. 100T:G:T below

C. 91. Where are the operational details of NA VEX stations to be found?

A. ITU List of Ship Station

B. IEC Publication on 945, Marine Navigational Equipment

C. Admiralty Lists of Radio Signals, V olum eⅢ

D. Frequency Allocation Tables

C. 92. Frequencies for receiving MSI(Maritime Safety information) internationally are_____.

A. MF NBDP frequencies specified for MSI

B. MF SSB frequencies specified for MSI

C. HF NBDP frequencies specified for MSI

D. HF SSB frequencies specified for MSI

D. 93. Each ship station has its own unique_____ MMSI which is included automatically in each DSC call.

A. 4-digit

B. 5-digit

C. 7-digit

D. 9-digit

D. 94. The present INMARSAT system_____ geostationary satellites positioned above the Atlantic Ocean.

A. use

B. ignores

C. consider

D. utilizes

A. 95. ______is the time that the satellite is closest to the beacon during a satellite pass.

A. TCA

B. ETA

C. ETD

D.UTC

B. 96. In area covered by Inmarsat HF can be used as an _____to satellite communications.

A. alternation

B. alternative

C. alter

D. alert

C. 97. 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

B. the global system will be damaged

C. the back-up one will take its place

D. the whole system will not work

C. 98. Every ship, while at sea, shall maintain a continuous watch on ____ if the ship is fitted with an MF radio installation.

A. 2182 KHz

B. 156.8MHz

C. 2187.5KHz

D. 182.5KHz

D. 99. ____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.

A. Which is assisted

B. That assist you

C. When you assisted

D. When being assisted

D. 100. Full equipment carriages under GMDSS is ______.

A. required on or after January 1, 2006

B. required to be fitted on all vessels after August 1,1991

C. no equipment is required on compulsory vessels on international voyages providing a licensed radiotelegraph

station is fitted and a licensed Radio Officer is carried

D. mandatory after February 1, 1999

A. 101. What’s the abbreviation for World Meteorological Organization?

A. WMO

B. IHO

C. IMO

D. WARC

A. 102. The letter G in GMDSS is the abbreviation of the word_____ .

A. Global

B. General

C. Ground

D. Group

C. 103. Ships in area A2 will at least transmit a ship-to-shore alert on _____ and satellite EPIRB.

A. 2182 kHz

B. 2174.5 kHz

C. 2187.5 kHz

D. 156.8MHz

D. 104. Which channel is designated for VHF Digit Selective Calling?

A. Channel 06

B. Channel 11

C. Channel 16

D. Channel 70

D. 105. Both the satellite communication and the terrestrial communications will____.

A. not be used in the GMDSS

B. be used only for general communications

C. be replaced by Morse

D. be used in the GMDSS

C. 106. In the GMDSS, what does the urgency signal consist of?

A. the word PAN

B. the group XXX

C. the group of the word PAN PAN

D. the word URGENT

D. 107. What is the minimum GMDSS personnel requirement of Non-GMDSS ships operating in sea area A1?

A. Restricted Operator’s Certificate

B. Second Class Radio Electronic Certificate

C. First Class Radio Electronic Certificate

D. None GMDSS requirements are compelled

B. 108. ______is a station in the mobile service, which is used in distress and which transmits signals to facilities SAR

operation, and which is not used 9GHz frequency band.

A. SART

B. EPIRB

C. DSC

D.GPS

D. 109. Maritime Safety Information______ International SafetyNet Service and NA VTEX Service.

A. consist of

B. can be received by

C. is transmitted by

D. will be made on

D. 110. Which are the preferred frequencies in the radiotelephony for on scene communications?

A. 121.5MHZ and 2045KHZ

B. Ch70(156.525MHZ) and 2174KHZ

C. Ch11(156.650MHZ) and 2021KHZ

D. Ch16(156.800MHZ) and 2182Khz

C. 111. What is the least expensive per-minute call made via INMARSA T Standard-B?

A. Ship to Shore Fax

B. Ship to Ship V oice

C. Ship to Shore TELEX

D. Ship to Ship TELEX

D. 112. Which stations may transmit on the frequencies in which distress traffic is taking place?

A. All stations which are aware of the distress traffic

B. Any station not itself in distress

C. All station for which silence was imposed by the Rescue Coordination Center or station appointed to coordinate

search and rescue activities

D. Any station in distress

C. 113. The position if the AOR-E satellite in the INMARSA T system is _____ above the equator.

A. 64.5E

B. 178E

C. 15.5W

D. 54W

A. 114. The list of Coast Stations is republished_____ in a trilingual

A. every two years

B. every three years

C. every year

D. every four years

A. 115. Within the polar areas it is _____ to see a satellite in geostationary orbit.

A. impossible

B. possible

C. easy

D. difficult

A. 116. DSC distress relays can be transmitted by either_____ or _______.

A. a coast station/ a ship station

B. an EPIRB/ a SART

C. ARQ/FEC

D. a back-up satellite/ a land SAR unit

B. 117. A mobile earth station in the maritime mobile-satellite service, which is located on board ship is called________

A. an LES

B. an SES

C. a ship station

D. a Land Mobile Station

D. 118. The character B1 is a single unique letter allocated to each_______ .

A. RCC

B. CES

C. Receiving earth station

D. NA VTEX transmitter

A. 119. As each MSI message will have a unique identity, the printing of messages already received correctly is_____.

A. automatically suppressed

B. finished by the operator

C. manually suppressed C. done again

D. 120. Which key must be used to signal the end of a manually-dialed number in a telephone call made via INMARSA T-B?

A. The colon (“:”) key

B. The plus (“+”) key

C. The “ENTER” key

D. The pound (“#”) key

A. 121. Distress alerts will be acknowledged_______.

A. manually

B. automatically

C. manually or automatically

D. by radiotelephone

A. 122. Which of the following wave lengths should general navigational radar for receiving SART signals be used?

A. 3cm radar

B. 9cm radar

C. 10cm radar

D. 5cm radar

C. 123. Every radio installation shall be protected against _____, extremes of temperature and other adverse invironmental

conditions.

A. coated oil

B. dangerous cargo

C. harmful effects of water

D. noxious atmosphere

D. 124. When applicable, equipment shall be so constructed and installed that it is readily accessible for ______ and on-board

maintermance purpose.

A. requirement

B. readjustment

C. elaboration

D. inspection

D. 125. Having studied the INMARSA T document, GMDSS document, SOLAS Convention and other International navigation

documents, we all know that ChapterⅣof SOLAS Convention is mainly about_____.

A. the radio regulations

B. the technical terms and definious

C. how to operate the GMDSS SES equipment

D. Maritime Communications

B. 126. Polar orbiting satellite service means a service which is based on _____ which relay distress alerts form satellite

EPIRB and which provides their position.

A. geostationary satellite

B. near-polar orbiting satellite

C. polar orbit

D. terrestrial satellite

C. 127. Some radio waves_____ the surface of the earth because of its______.

A. are capable of following/distance

B. can follow/altitude

C. can hardly follow/shape

D. are unable following/angle

A. 128. An area within the coverage of at least one VHF shore station in which continuous DSC distress alert is available is

______.

A. Sea Area A1

B. Sea Area A2

C. Sea Area A4

D. distress Area

C. 129. At mid-day, what would be the best choice in attempting to communicate, using NBDP with a shore station some 800

miles (1287km) distant?

A. VHF-FM

B. Higher HF bands

C. Lower HF bands

D. MF

C. 130. In EPIRB, if the switch is held in “TEST” for additional______, the test procedure will be repeated.

A. 5-8 seconds

B. 10-15 minutes

C. 10-15seconds

D. 5-8 minutes

D. 131. Which of the following statements is true?

A. The SART can be auto-operated in vertical position some time

B. The SART can be auto-operated in a parallet position at any time

C. The SART can be auto-operated under the water sometimes

D. The SART can be auto-operated in float-free position when combined with EPIRB

D. 132. Which of the following frequencies is as international distress and safety frequencies on MF for radiotelephony?

A. 2178.5 kHz

B. 2174.5KHZ

C.2177.0KHZ

D. 2182KHZ

D. 133. During a _________period, as a newly commissioned SES, your IMN will be past to the other CESs.

A. 20 hours

B. 12 hours

C. 24 minutes

D. 24 hours

D. 134. What means is used to avoid mutual interference by stations in the NA VTEX system?

A. Stations are limited to daytime operation only.

B. Transmitter power is limited to that necessary for coverage of assigned area.

C. Transmissions by stations in each NA V AREA are arranged in a time-sharing basis.

D. Transmitter power is limited to that necessary for coverage of assigned area and transmissions by stations in each

NA V AREA are arranged in a time-sharing basis

B. 135. In NA VTEX service, the subject indicator characters A means_____.

A. meteorological warnings

B. navigational warnings

C. search and rescue information

D. meteorological forecast

A. 136. Please use _______ for ____.

A. English/ all distress communications

B. Chinese/ some distress calls

C. the language decided by Administrations/ all distress calls

D. Japanese/ some distress alerts

B. 137. The INMARSA T system provides priority access to satellite communications channel in emergency situations, each

_____ is capable of initiating a request message with distress priority.※

A. LES

B. MES

C. NCS

D. NOC

A. 138. In addition to meeting the requirement of sea area A1, every ship engaged on voyage in Sea area A2 shall be provided

with_____.

A. MF radio installation with DSC

B. SES

C. MF/HF radio telephone installation

D. 2187.5 kHz watch receiver

D. 139. Frequencies for receiving HF MSI (Maritime safety information) are_____.※

A. the same as used for NA VTEX

B. the same as used for general TELEX using FEC

C. specified HF voice frequencies

D. specified HF TELEX frequencies

A. 140. DSC distress relays can be transmitted by either______ or _________.

A. a coast station/ a ship station

B. an EPIRB/ a SART

C. ARQ/FEC

D. a back-up satellite/ a land SAR unit

B. 141. ______means the finding of ships, aircraft, units or persons in distress.

A. Shore-based radar assistance

B. Locating

C. Search and rescue

D. Savage

B. 142. What happens when the storage memory capacity of the NA VTEX receiver is exceeded?

A. The text is printed but not stored until the operator manually deletes message files.

B. The oldest ID is automatically erased and if the message is still being transmitted it is received again.

C. The unit becomes inoperative until files are manually deleted by the operator.

D. An alarm is sound until the operator clears the memory of stored data.

C. 143. Every ship, while at sea, shall maintain a continuous watch on _____if the ship is fitted with an MF radio installation.

A. 2182 kHz

B. 156.8MHz

C. 2187.5kHz

D. 2182.5Khz

B. 144. The difference between international and national Navtex Service is limited to ________.

A. frequency allocated

B. both language and frequency

C. language used

D. transmission power and time

D. 145. The communication system used by the GMDSS are______.

A. Short-range and long-range radio system

B. INMARSA T and COSPAS-SARSAT

C. Long-range and terrestrial radio system

D. The terrestrial and satellite communication systems

D. 146. What is an EGC“ENID”?

A. This identifies the vessel’s selective calling (selcall) number.

B. This is the INMARSAT number that is assigned to a unit for incoming calls.

C. This is the vessel’s INMARSAT registration number for accounting authority purposes.

D. This number is used for receiving news and other optional services in FleetNET.

B. 147. Ship-to-ship distress alerting should be conducted by ______.

A. Inmarsat SES

B. VHF/DSC or MF/DSC

C. SART and VHF/DSC

D. Satellite EPIRB and VHF/DSC

A. 148. Which of the following HF frequencies is internationally allocated for use for transmitting NA VTEX-type broadcasts?

A. 4209.5 KHZ using FEC mode

B. 4209.5KHZ using ARQ mode

C. 8414.5KHZ plus one other

D. NA VTEX-type broadcasts are not transmitted on any HF frequency

B. 149. Navtex transmitter identification character_____ is used to identify the broadcasts which are to be accepted by the

receiver and those are to be rejected.

A. B2

B. B1

C. MAR

D. NNN

D. 150. The terrestrial system is _____ the INMARSA T system.

A. more advanced than

B. inferior to

C. superior to

D. always charging more expensive than

B. 151. The identification character of each Navtex station is regarded as _____to the messages.

A. the only preamble

B. a part of the preamble

C. the closing

D. the suspension

D. 152. The frequency 156.525MHZ and 156.8MHZ should be in the band of ____.

A. UHF

B. MF

C. HF

D. VHF

B. 153. It is required that ships proceeding at sea should keep continuous watch on _____.

A. VHF channels 16 and 13

B. Appropriate DSC distress and safety frequencies

C. INMARSAT TDM message channel

D. VHF channel 70 and channel 8

B. 154. A distress alert can be relayed from an RCC by_____.

A. major coast stations

B. satellite and terrestrial communications

C. MF/HF and VHF stations

D. COSPAS-SARSAT

B. 155. NA VTEX sea area weather forecasts are normally be broadcast _____ each day.

A. once

B. twice

C. three times

D. four times

A. 156. _____is the center of the frequency band assigned to a station.

A. assigned frequency

B. working frequency

C. MF band

D. distress frequency

C. 157. In a properly functioning MF/HF DSC system, the receiver bandwidth should be ____.

A. sufficiently wide to pass video pulses

B. 1.7KHZ

C. as narrow as possible, but not less than 170Hz

D. 100HZ maximum

D. 158. There are _____ NCSs in total, one in each ocean region, the AOR(E and W), IOR and POR.

A. 3

B. 2

C. 1

D. 4

C. 159. Ships in area A2 will at least transmit a ship-to-shore alert on _____ and satellite EPIRB.

A. 2182KHZ

B. 2174.5KHZ

C. 2187.5KHZ

D. 156.8MHZ

B. 160. The EPIRB may _______ sea water, chemicals and any other environmental conditions,

A. work well regardless of

B. be damaged by

C. get rid of

D. not be destroyed by

C. 161. Only the polar regions, where shipping is infrequent, are not covered. In this sentence, “shipping” means ______.

A. ships

B. shipping industry

C. navigation of ships

D. shipping company

B. 162. If a DSC distress relay is transmitted from a coast station, it will ____.

A. indicate the ship in distress that the alert has been received

B. alert ships in the area of a distress incident that a distress has accurred

C. inform other coast stations of distress incident

D. repeat the distress alert in 5minutes

C. 163. In which mode should urgency communication “to all stations” by direct printing telegraphy normally be established?

A. FEC mode at a good propagation only possible

B. ARQ mode

C. FEC mode

D. FEC mode, the ARQ mode may also be used

B. 164. The second letter S in SSB is the abbreviation for the word ______.

A. Single

B. Side

C. shipyard

D. Safety

B. 165. In the communication of INMARSAT, ______ communication has the absolute priority over all other transmissions.

A. routine

B. distress

C. urgency

D. security

A. 166. The position of the INMARSA T satellite over the POR is ______.

A. 180E above the equator

B. 64.5E over the IOR

C. 15.5W along the straight line

D. 55.5W above the equator

C. 167. The INMARSAT SafetyNET service is a ______ service.

A. time

B. meteorological warning

C. SafetyNET terminal

D. on-board

D. 168. Which one of the following statements concerning INMARSAT-C is true?

A. Telex communications are established in the FEC mode.

B. Telex communications are conducted with real-time connectivity.

C. Telex communications are more expensive than voice communications.

D. Telex communications are delivered on a store-and-forward basis.

A. 169. _______ indicates that a ship is distress and requires immediate assistance.

A. Distress traffic

B. Urgency traffic

C. Safety traffic

D. Routine message

A. 170. The list of Coast stations is republished ________ in a trilingual.

A. every two years

B. every three years

C. every year

D. every four years

C. 171. In the COSPAS-SARSAT system distress signals are proceeded by ________ and the resulting data are forwarded to

_________through ________ communication network.

A. MCC/LUT/RCC

B. LUT/MCC/RCC

C. LUT/RCC/MCC

D. LUT/RCC/LUT

B. 172. It is optional for mariners to combine the SART with________.

A. a satellite SES

B. a float-free satellite EPIRB

C. an EGC receiver

D. a NA VTEX receiver

C. 173. Which service does not EGC have?

A. Fleet Net

B. MSI transmission

C. SART distress alerting

D. Safety Net

C. 174. The service of MSI provides combined news broadcast suitable for _______ in all principal waters of the globe.

A. a vessel

B. some vessels

C. all ships

D. some specific ships

B. 175. Tradition radio system has so many principle problems which _______.※＆※

A. can be tackled by traditional and terrestrial techniques

B. can be solved by satellite communications

C. can be tackled by some other techniques except satellites

D. can hardly solved by any other techniques

B. 176. Why do some stations keep silent?

A. Because they are not engaged in the distress traffic

B. they will affect the transmission of the distress

C. The powers of these stations are very weak

D. They are not in change of search and rescue

C. 177. The concept of NA VTEX is of a _______system for the broadcast and receipt of Maritime Safety Information.

A. search and rescue

B. communication

C. coordinated

D. hydrographic

D. 178. _________allows the SAR party to locate the ship in distress by starting 9GHZ radar.

A. DSC

B. EGC

C. EPIRB

D. SART

C. 179. EPIRB batteries must be clearly _______ with their expiry date, the serial number and the identification code.

A. noted

B. written

C. marked

D. notified

D. 180. Having studied the INMARSA T document, GMDSS document, SOLAS Convention and other International navigation

document, we all know that the ChapterⅣof SOLAS Convention is mainly about _______

A. the radio regulations

B. the technical terms and definitions

C. how to operate the GMDSS SES equipment

D. Maritime Communication

B. 181. What is the full spelling of the abbreviation “MSC”?

A. Maritime Safety Communication

B. Maritime safety committee

C. Mobile Safety Communication

D. Marine Safety committee

D. 182. _______will form the basis for distress alerting and safety calling.

A. GMDSS

B. EGC

C. MSI

D. DSC

B. 183. DSC distress acknowledgements are normally transmitted by _____ in respond to a received DSC distress call.

A. Ship station

B. Coast station

C. NCSS

D. NCC

B. 184. The letter D is the abbreviation for the word distress in ______.

A. ADE

B. GMDSS

C. NBDP

D. DSC

A. 185. Which transmissions are permitted on the frequency 2174.5 kHZ in NBDP service?

A. Distress and safety traffic using narrow-band direct-printing telegraphy exclusively

B. Transmissions of information regarding the safety of navigation and weather warnings

C. Distress and safety traffic in radiotelephony

D. Transmissions of the international NA VTEX system

C. 186. The WWNWS establishes three types of navigational warning: _______.

A. Distress Urgency and Safety

B. Vital, Important and Routine

C. NA V AREA, Coastal and Local

D. Gale, Tsunami and Ice

C. 187. The radio equipment to be carried on board GMDSS ship depends upon ______.

A. the tonnage of the ship

B. the type of the ship

C. the sea area in which the ship operates

D. the horse power of the ship

D. 188. If a ship, in accordance with the requirements of regulation 10.1.1(of the amendments to the 1974 SOLAS Convention),

is fitted with an INMARSAT MES, while at sea, shall maintain a continuous watch_____.

A. on 8414.5 kHz

B. on at least one of the following HF DSC frequencies: 4207.5, 6112, 12577 or 16804.5kHz

C. on 2174.5kHz

D. of satellite shore to ship distress alerts

A. 189. What is the minimum personnel requirement of GMDSS ships trading in sea area A1?

A. Restricted Operator’s Certificate

B. General Operator’s Certificate

C. Second Class Radio Electronic Certificate

D. First Class Radio Electronic Certificate

B. 190. The satellites of INMARSA T are placed in a ________, 35700km over the major ocean regions.

A. Polar orbit

B. geostationary orbit

C. the Milky way

D. the moon

B. 191. There are ______operational satellites in the INMARSA T system covering the whole globe except the polar regions.

A. 3

B. 4

C. 8

D. 12

D. 192. Which key must be used to signal the end of a manually-dialed number in a telephone call made via INMARSA T-B?

A. The colon (“:”) key

B. The plus(“+”) key

C. The “ENTER”

D. The pound(“#”)key

D. 193. How long will the SART operator when in stand-by condition?

A. 86 hours

B. 20 hours

C. 55 hours

D. 96 hours

C. 194. Radio beacon can be activated _____in case of distress.

A. Only automatically

B. Only manually

C. Both automatically and manually

D. Only by remote control A. 195. There is little chance of the frequencies _____for maritime purpose being increased.

A. allocated

B. spent

C. put

D. submitted

D. 196. The INMARSAT consists of _____major components.

A. 4

B. 9

C. 8

D. 5

A. 197. The SES operator can receive telephone calls from subscribers to ______and from suitably equipped vessels

throughout the world.

A. the international telephone network

B. the international telex network

C. CES

D. satellite

C. 198. Which of the following is not among the functions of SOLAS ships?

A. receive shore-to-ship distress alerting

B. transmit ship-to-shore distress alerting

C. receive message for public correspondence

D. transmit and receive locating signals

B. 199. Radio system _____ about 100 years ago.

A. has been used at sea

B. saved the lives of tens of thousands of people

C. is used by mariners

D. came into use at sea

A. 200. What dial sequence is used, after entering the shore ID, to obtain the intervention of the telephone operator in the

INMARSA T Standard-B service?

A. 00#

B. 01#

C. 10#

D. 11#

D. 201. There are ____ for ships to receive SafetyNet messages.

A. some charge

B. a few charges

C. more expensive

D. no charge

C. 202. ____means safety communications between ships from the position from which the ships are normally navigated.

A. Safety communication

B. Distress communication

C. bridge-to-bridge communication

D. Maritime Safety Information

A. 203. An area within the coverage of INMARSA T satellites in which continuous distress alerting is available is _____,

excluding area A1 and A2.

A. sea area A3

B. sea area A2

C. distress area

D. GMDSS area

B. 204. Messages bearing the priority marking ROUTINE are to be broadcast_____.

A. immediately

B. at the next scheduled transmission

C. during the next available period

D. at anytime

A. 205. In NA VTEX service, local warnings are normally broadcast on ______.

A. NA VTEX service

B. SafetyNET service

C. VHF voice only

D. MF/HF telephone

B. 206. Which of the following indicates a grave and imminent danger requesting immediate assistance on the radio telephone?

A. TTT

B. MAYDAY

C. SECURITE

D. PAN

B. 207. _____ is a station in the mobile service, which is used in distress and which transmits signal to facilities SAR operation,

and which is not used 9GHZ frequency band.

A. SART

B. EPIRB

C. DSC

D. GPS

B. 208. NA VTEX sea area weather forecasts are normally be broadcast _____ each day.

A. once

B. twice

C. three times

D. four times

A. 209. The NA VTEX receiver can be mounted_________.

A. on the bridge

B. in the coast station

C. on the forecastle

D. on starboard side

A. 210. Which action should the GMDSS operator take in a distress situation when embarking in survival craft?

A. Switch on EPIRB and SART immediately and leave on

B. EPIRB and SART switched on manually prior to embarking; remain aboard vessel in distress

C. Notify RCC (Rescue Coordination Center) through VHF DSC in portable equipment

D. Communicate via INMARSAT-C from survival craft

C. 211. ALL EGC message _______ owing to their nature of importance.

A. can suppress

B. can be suppressed

C. can not be suppressed

D. are to be suppressed

C. 212. The service of coordinated broadcast and automatic reception on the frequency 518 kHz of MSI by means of NBDP

telegraphy using English language is a _____service.

A. MSI service

B. NA VTEX

C. International NA VTEX

D. Navigational warning

D. 213．MSI is received by ships on a designated channel, “designated” means※

A. allocated

B. appointed

C. designed

D. specialized

B. 214. Which of the following equipment is excluded from the required GMDSS equipment?

A. 9GHz SART

B. weather FAX receiver

C. L-EPIRB or 406MHz EPIRB

D. VHF DSC watching receiver

A 215. NCC is the abbreviation for Network Control________.

A. Coordination

B. Cooperation

C. Direct

D. Distress

D. 216. When applicable, equipment shall be so constructed and installed that it is readily accessible for _____ and on-board

maintermance purpose.

A. requirement

B. readjustment

C. elaboration

D. inspection

B. 217. General radio communications in the global system may ______ ship’s safety.

A. be responsible for

B. have an impact on

C. command

D. give a guidance to

B. 218. Particular care should be taken in selecting CESs in areas where Ocean Regions____.

A. cover

B. overlap

C. provide

D. consider

A. 219. What is Omni-directional antenna?

A. An antenna which is capable of line-of-sight communication with a satellite without requiring any pointing

B. Generally it is used on an INMARSA T-M MES

C. Generally it is used on an INMARSA T-F MES

D. This is a kind of directional antenna

D. 220. The SART should have sufficient battery capacity to operate in the stand-by condition for ______ hours and should

continuously work for _____ hours.

A. 120/20

B. 56/18

C. 100/16

D. 96/8

C. 221. Telstar, the word’s first communication satellite, was____ in 1962.

A. returned back

B. flying into sky

C. put into orbit D, destroyed

D. 223. What systems are required for the promulgation of MSI(Maritime Safety Information) in GMDSS as per SOLAS

Convention, as amend in 1988?

A. The international NA VTEX system

B. The INMARSA T SafetyNET system

C. HF NBDP

D. Both the international NA VTEX system and the INMARSAT SafetyNET system

C.224. SOLAS vessels are able to communicate with shore stations______.

A. no matter where they are and what time it is

B. in major oceans and at scheduled time

C. at regular time every day

D. from some fixed positions

B. 225. In areas covered by Inmarsat HF can be used as an_____ to satellite communications.

A. alternation

B. alternative

C. alter

D. alert

D. 226. What equipment is utilized to transmit Enhanced Group Calls?

A. COSPAS satellite

B. HF SITOR shore stations

C. NA VTEX shore stations

D. INMARSA T satellite

B. 227. In the COSPAS-SARSAT, satellite EPIRBs function on the frequencies of ______.

A. CH70/243MHZ

B. 406/121.5MHZ

C. 121.5/243MHZ

D. 406/1.6GHZ

A. 228. Messages bearing the priority marking VITAL are to be broadcast_____.※

A. immediately

B. at the next scheduled transmission

C. during the next available period

D. at anytime

A. 229. According to the requirements of GMDSS equipment, every SOLAS ship should be equipped with_________.

A. VHF/DSC and VHF two-way radio telephone, SART

B. NA VTEX receiver and SES

C. 1.6GHz EPIRB

D. INMARSA T

A. 230. How is the A3 Sea area defined by IMO?

A. Area approximately between 70 degrees North and 70 degrees South, excluding A1 and A2 areas

B. Within the coverage area of INMARSAT satellite

C. Within range of shore-based MF coast station with DSC function

D. Area above 70 degrees N and area below 70 degrees S

C. 231. Category B2=F is to be used only for broadcasting _________ to the pilot service.※

A. weather report

B. details of vessel

C. temporary alterations

D. urgent information

D. 232. _______ is a maritime mobile service in or near a port between coast stations and ship stations or between ship stations,

in which messages are restricted to those relating to the operational handling, the movement and safety of ships and, in emergency, to the safety of persons. It does not include public corresponedence.

A. Distress Traffic

B. Medical Advice

C. Emergency Communication

D. Port Operations Service

C. 233. In GMDSS, the distress or safety message will be picked up by _______ if it is sent using HF, INMARSA T or the

COSPAS-SARSAT system.

A. ships

B. shore stations

C. both ships and shore stations

D. either ships or shore stations

D. 234. The DSC frequency for distress alerting in Area A2 is ________.

A. 2182kHz

B. 2174.5kHz

C. 2192kHz

D. 2187.5 Khz

D. 235. When a ship sinks, a ______satellite EPIRB is _________activated.

A. stationary/ automatically

B. float free/manually

C. vertical/ automatically

D. float free/ automatically

A. 236. _______consists of all messages relating to the immediate assistance required by the ship in distress.

A. Distress traffic

B. Urgency traffic

C. Safety traffic

D. Distress

C. 237. Geostationary satellites are the man-made satellites which ________.※

A. are always fixed in the regular position

B. sometimes move with the earth

C. are synchronizing with the earth

D. can not fly off from the ground

D. 238. Which of the following frequencies have been designated for on-scene communications in the Global Maritime

Distress and Safety System?

A. VHF-FM Ch 16, 156.6 kHz

B. HF radiotelephony on 21.820MHz

C. NBDP on 2175.4kHz, VHF-FM Ch16, 156.6MHz

D. VHF-Ch16 on 156.8, NBDP on 2174.5 kHz

A. 239. It is preferable for ships lying _____ to receive MSI to ensure safe navigation.

A. both at sea and in port

B. in international waters

C. at the anchorage

D. in narrow channel

A. 240. _____ is the united nations agency responsible for the Radio Regulations among other things.

A. ITU

B. IMO

C. MSC

D. WMO

A. 241. Which of the following statements is true?

A. The SART can be auto-operated in float-free position when combine with EPIRB

B. The SART can be auto-operated in a 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

D. 242. The following radio communication systems are used in GMDSS except the INMARSA T system _____.

A. VHF

B. VHF MF and HF terrestrial systems

C. the COSPAS-SARSAT system

D. the FLAG SIGNAL systems

D. 243. The position if the AOR-W satellite in the INMARSA T system is ______above the equator.

A. 64.5 E

B. 178E

C. 15.5 W

D. 54W

D. 244. Each ship station has its own unique ______MMSI which is included automatically in each DSC call.

A. 4-digit

B. 5-digit

C. 7-digit

D. 9-digit

B. 245. According to the radio regulation, vessels in distress ______ indicate their own position by any method.

A. can not

B. should get permission to

C. are not allowed

D. have the right

C.246. Which of the following statement is true?

A. Navtex stations have same transmission power

B. Navtex stations can transmit at the same time

C. Navtex stations have the different identification characters is each Navarea

D. There are 24 Navtex stations in each Navarea

A.247. What is the minimum GMDSS personnel requirement of ships with Shore-Based Maintenance method operating in the

sea area A1?

A. Restricted Operator’s Certificate

B. General Operator’s Certificate

C. second-class Radio electronic Certificate

D. First-class Radio electronic Certificate

C. 248. The coordinated broadcast and automated reception of MSI via the INMARSAT EGC system using English to meet the

requirements of the SOLAS Convention: ________.

A. international NA VTEX Service

B. FleetNET Service

C. SafetyNET Service

D. WWNWS

C. 249. When activated in a distress situation, SART should provide survivors ______, when it is interrogated by a radar.

A. 20 blips

B. special radar imagine

C. visual and audible indication

D. straight line

C. 250. A DSC call with the MMSI number 016699911 is ______.

A. A vessel operating in Sea Area A1

B. A coast station

C. A group call for ship stations

D. An Intercoastal

A. 251. Which information determine(s) if a NA VTEX message is to be rejected?

A. Subject or type of message is indicated using numbers from 01 to 99

B. Subject indicator and transmitter identity

C. The Answerback of the receiving station has not been entered in the NA VTEX receiver.

D. Only messages having a serial number 00 are rejected.

B. 252. What do the letters ARQ stand for?

A. Automatic Receiver Quieting

B. Automatic Repeat reQuest

C. Automatically sent transmit Q’signals

D. Automatic Relay without Question

C. 253. INMARSAT is composing of _________.

A. CES, SES, Satellite

B. Satellite, NCS, OCC, CES and NCC

C. SES, Satellite, coast stations, and NCC

D. SES, CES, Coast station

C. 254. The auto-operating of the satellite EPIRB is mainly controlled by ______.

A. the switch on the top of it

B. the battery unit

C. the mercury switch in the battery unit C. sea conditions

B. 255. The training for the GMDSS operators should be conducted in accordance with _______.

A. SOLAS amendment in 1988

B. STCW amendment in 1995

C. Radio Regulations

D. MSC Provisions

B. 256. In addition to meeting the requirement of sea area A1and A2, every ship engaged on voyage in Sea area A3 shall be

provided with_____.

A. Mf radio installation with DSC

B. SES or HF with DSC

C. MF/HF radio telephone installation

D. 2187.5 kHz watch receiver

B. 257. Any ship with SES can _______and ________ through the Inmarsat satellites when sending a distress alert.

A. enter the system rapidly/wait for rescue

B. have an absolute priority to enter the system/ contact with a CES

C. establish contact with the RCC/ enter the port

D. enter the system gradually/ get the rescue

A. 258. The NCS of INMARSAT system in the AOR(E) is in ______.

A. Goonhilly, UK

B. Yamaguchi, Japan

C. Perth, Australia

D. Southbury, USA

B. 259. What is the the total voltage and capacity of two 12V batteries coupled in series if each battery has capacity of 100Ah?

A. 12V 100Ah

B. 24V 100Ah

C.12V 200Ah

D. 24V 200Ah

C. 260. What is the telex number of IOR in INMARSAT?

A. 581

B. 871

C. 583

D. 873

D. 261. The EPIRB battery should be renewed every _______.

A. 2 years

B. 3 years

C. 1 years

D. 4 years

D. 262. A person _____ in spite of being in an extremely dangerous situation is a survivor.

A. whom is still alive

B. who is sagety

C. who is healthy

D. who continues to live

C. 263. The quality of EGC message is _____ affected by the position of the ship, the time of reception and climate

conditions.

A. sometimes

B. all times

C. never

D. partly

B. 264. International NA VTEX means the coordinated broadcast and automatic reception on 518 kHz of maritime safety

information by means of ________using English language

A. EGC receiver

B. narrow-band-direct-printing telegraphy

C. radio communication

D. terrestrial technique

A. 265. Each COSPAS-SARSAT MCC is responsible for _____all alert data for distress located in its service area.

A. distributing

B. distribution

C. distributed

D. having distributed

B. 266. What does ITU stand for?

A. the International Telephone Union

B. the International Telecommunication Union

C. the International Telecommunication Unit

D. the International Telex Unit

D. 267. While at sea, the GMDSS operator received a distress alert on the frequency of 8414.5kHz, on which frequency should

the radio watch be kept?

A. 8291kHz, SSB

B. 8176.5kHz, NBDP

C. 8414.5kHz, DSC

D. 8291kHz, SSB or 8176.5kHz, NBDP, depends on the details of the alert

B. 268. Every lifeboat which is fitted with a fixed _________ VHF 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.

A. one-way

B. two-way

C. double-effect

D. one-effect

C. 269. _________ is designed to give an automatic distress signal when a ship sinks suddenly.

A. A lifeboat

B. A survival craft

C. An EPIRB

D. A SART

B. 270. _____means the Organization established by the Convention on the International Maritime Satellite Organization

adopted on 3 September 1976.

A. CCIR

B. INMARSAT

C. ITU

D. SAR

A. 271. The GMDSS is composed of ___________

A. satellite and terrestrial communication

B. only navigation and alerting systems

C. just MSI system and locating system

D. SAR co-ordination system

B.272. What is the total voltage and capacity of two 12V batteries coupled in series if each battery has capacity of 100Ah?

A. 12V 100Ah

B. 24V 100Ah

C. 12V 200Ah

D. 24V 200Ah

D. 273. In GMDSS, every ship will be able to, irrespective of the area in which it operates, to perform the function of _____.※

A. transmitting and receiving distress alerting in three directions

B. communicating with other stations

C. receiving maritime safety information

D. those considered essential for the safety of the ship itself and of other ships operating in the same area

C. 274. What is the approximate range of MF radio waves during the day time?

A. 10 nautical miles

B. 600 nautical miles

C. 150 nautical miles

D. 1200 nautical miles

D. 275. The low polar orbiting satellite system provides the coverage of _______.

A. Area A4

B. Area A1 and Area A2

C. Area A4

D. Area A1,A2,A3,A4

A. 276. What shall be transmitted to avoid all ships in a large sea area being alerted?

A. area call

B. distress call

C. urgency call

D. DSC call

B. 278. Ships equipped with Inmarsat SES send distress alerts both ________.

A. quick and good

B. convenient and certain

C. easily and simply

D. There is gale in the area D. 279. A ship operating in an area not covered by NA VTEX________.

A. is exempt from copying MSI

B. is exempt from copying MSI if they are using an automated chart correction system and guard 2182.0kHz

C. must be capable of receiving MSI via HF NBDP or INMARSAT-F

D. must be capable of receiving MSI via HF NBDP or INMARSAT-C

A. 280. A station in the mobile service the emissions of which are intended to facilitate search and rescue operations is _____ .

A. EPIRB

B. SART

C. Mobile Station

D. Distress Alerting

A. 281. The letter I is the abbreviation for the word interchange in _______

A. EDI

B. ID

C. IMO

D. ITU

C. 282. The EPIRB should be mounted ______, protected from harmful conditions.

A. at a regular place in the radio room

B. anywhere on board

C. at a higher place on the vessel C. in one of the life-boats

A. 283. For ship to shore distress alert, we can use _______.

A. INMARSAT, EPIRB, DSC

B. NBDP, R/T

C. VHF, NA VTEX,

D. SART, RADAR

B. 284.Where are the operational details of stations for timing signals?

A. Admiralty Lists of Radio Signals, V olum eⅠ

B. Admiralty Lists of Radio Signals, V olum eⅡ

C. Admiralty Lists of Radio Signals, V olum eⅢ

D. Admiralty Lists of Radio Signals, V olum eⅣ

B. 285. The FEC mode is used for ________ from _______ station to two or more other stations when available.

A. receiving messages / one station

B. transmission / one coast station or ship

C. communicating/ on ship

D. contacting/ other

B.286. Which mode of INMARSA T Standard-B communications is usable nearest the outer edge of the satellite coverage area?

A. Fax, due to its slower speed

B. V oice Communications, due to the use of companders

C. TELEX

D. SITOR, due to error correction

A. 287. _________are also distress traffic.

A. Signals for locating

B. Safety services

C. Light signals

D. VHF

C. 289. The VHF CH16 is called ______.※

A. common channel for pilot service

B. aircraft calling channel

C. international distress and safety channel

D. navigation safety communication channel

B. 290. What is usually the first step for a GMDSS radio operator to take when initiating a distress priority message via

INMARSA T?※

A. By dialing the correct code on the telephone remote unit

B. By press a “distress button” on the equipment

C. By contacting the CES operator and announcing a distress condition is in existence

D. By contacting the CES operator using the radiotelephone distress procedure “Mayday”…etc.

A. 291. In each NA VTEX message there is a technical code (B1B2B3B4) , which character is the station identification?

A. B1

B. B2

C. B3

D. B3B4

A.292. Which statement is not true regarding the NA VTEX system?※

A. NA VTEX is merely tailored for international sea commerce on or near main shipping lanes.

B. NA VTEX carries information relevant to all sizes and types of vessels within a region established for this service.

C. NA VTEX carries routine meteorological forecasts and warnings and other urgent safety information to ships.

D. A selective message-rejection feature of the receiver allows the mariner to receive only that safety information

pertinent to his requirements.

B. 293. Which type of the following services is excluded from INMARSAT-C services?

A. EGC service

B. high speed data transmission

C. simple telex

D. E-mail

A. 294. The concept of MSI has been developed to bring together the various sources of this vital information into combined

news broadcast suitable for all ships in all _____.

A. Major area of the globe

B. principal waters of the globe

C.minor waters or narrow waters

D. some special waters of the globe

A. 295. If you want to establish the call in the INMARSAT, you shall select the coast earth station ______.

A. which must be in the same ocean region that you are currently using

B. which must be in the POR or IOR

C. which must belong to Chinese or have the good relationship with china

D. which must be in Western European waters

D.296. The WWNWS is a coordinated globe service for the broadcast by radio of vital information on ________ to marine

navigation.

A. ship’s movement

B. Safety

C. Ship’s management

D. Hazards

A. 297. Which characters are sent by the ship station to indicate a desire to send a weather observation message?※

A. OBS+

B. MSG+

C. AMV+

D. OPR+

A. 298. Equipment without the function of distress alerting is _______.

A. SART

B. EPIRB

C.DSC

D. INMARSA T SES