D、EPIRB, DSC and radar 310、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
311、Geostationary satellite are artificial satellite which ______. A、always move slowly B、are in one place only
C、sometimes move and sometime don’t
D、synchronize with the movement of the earth
312、Having studied the INMARSAT document, GMDSS document, SOLAS Convention and other international navigation documents, we all know that the Chapter IV of 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 Communications
313、If a ship _________ in danger, the distress signal will be sent out in the shortest possible time by means of the GMDSS equipment. A、is
B、encounter C、will be D、is meet
314、If no distress acknowledgement is received ______ a DSC distress call transmission, then the ship in distress may repeat the DSC distress call attempt after a delay of between 3.5 and 4.5 minutes from the beginning of the initial call. A、relevant to B、relate to
C、in response to D、in relation to
315、In all areas of operation the _________ should be provided. A、MSI
B、continuous availability of alerting C、shipping business communication D、SafetyNet business 316、In areas covered by Inmarsat HF can be used as an ______ to satellite communications. A、alternation B、alternate C、alter
D、alternative
317、In NAVTEX service, the subject indicator character A means
_________.
A、meteorological warnings B、navigational warnings
C、search and rescue information D、meteorological forecast
318、In the case of a ship in distress , the need exists to create a temporary geographic area to _____ locating potential assisting ships. A、increase B、improve C、facilitate D、develop
319、In which year was the COSPAS-SARSAT system established ? A、1980 B、1981 C、1979 D、1982 320、It is important ______________ familiar with the GMDSS system before you operate it. A、get
B、 for you get C、to get
D、that you get
321、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 322、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 8 323、MSI stands for ______.
A、 Mobile Satellite Information B、Motor ship Identification C、Most Serious Information D、Maritime Safety Information
324、MSI, which includes ______, is transmitted to all ships in all principal waters.
A、navigational warnings
B、meteorological warnings and forecasts
C、other urgent safety related messages D、a,b,c
325、One of the important advantages of the INMARSAT system, from __________point of view, is the provision of improved distress and safety communications. A、IMO’s
B、the ship officer’s C、 the ship owner’s D、MSC’S
326、Orders for pilot and tug services, chart replacement and repairs are __________.
A、general radio communications B、Distress communications C、urgency communications D、 safety communications 327、Please listen carefully to the safety instructions_______________. A、 which follows B、which followed C、which follow
D、 which is followed
328、Radar bandwidth is normally _____to the range scale and the associated pulse length. A、fixed B、matched C、fitted D、equal 329、Ships equipped with Inmarsat SES send distress alerts both _____and _____.
A、quick and good
B、convenient and certain C、easily and simply
D、important and difficult 330、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
331、Ships in areas A3 and A4 will transmit, as appropriate, _____ . A、 a ship to ship alert on MF/VHF
B、a ship to shore alert by SES/HF DSC
C、a ship to shore alert by satellite EPIRB D、all of a, b, c
332、Signals _____ to assist in locating a ship, aircraft of vehicle
in distress of in locating survivors will be transmitted in the 9GHZ band means of a search and rescue radar transponder. A、to intend
B、to be intended C、intending D、intended
333、Signals for locating will be transmitted in the 9GHz band by means of _____ . A、SART B、DSC C、NBDP D、RT 334、SOLAS ships _________ with a maritime VHF installation and maintain watch on 156.8mhz. A、should fit B、 have fitted C、should fitted D、fit
335、SOLAS ships shall be equipped with______. A、an EGC receiver only
B、a satellite communication system C、a HF radio system
D、a VHF with DSC system 336、Some words in English have meanings _____ the context in which they appear.
A、depended on
B、which depend on C、 which depends on D、to which depends on
337、Stations are grouped by countries arranged in the _____order of their country symbols. A、alphabetical B、figure
C、name of stations D、 series
338、The abbreviation MERSAR means ______. A、Merchant SOLAS and Radio System
B、Merchant ship Search and Rescue Manual C、Marine Rescue and Search Radar D、Maritime Engine Rescue Standard
339、The ARQ mode should be applied ______ .
A、when two stations communicate with each other B、in any radio system and at any time
C、 when one ship sends a message to another station
D、for communication among some stations
340、The auto-transmission of TRON-30S S-EPIRB will start _____. A、when the switch is set to “ON” B、 until it is in water of some depth
C、 when it is stored in an inverted position D、as soon as it is in water upright 341、The basic concept of GMDSS is _____.
A、 Search and rescue authorities ashore will rapidly received an distress alert and acted upon B、 SAR units will be rapidly alerted to a distress incident and assist in a coordinated SAR operation C、 Ships navigating in the immediate vicinity of the ship in distress will rapidly alerted to the alert and give their help accordingly D、 The RCC will rapidly alerted to a distress alert through satellite and terrestrial communication techniques and conducted a rescue operation immediately
342、the beacon located on board aircraft is termed _____ . A、EPIRB B、PLB C、ELT D、MCC
343、The character B1 is a single unique letter which is allocated to each _____ . A、RCC B、CES
C、receiving earth station D、NAVTEX transmitter
344、The complying vessel will transmit ship-to-shore distress alert by ______ in sea area A1. A、VHF EPIRB B、VHF DSC
C、406mhz S-EPIRB D、both a,b and c
345、The complying vessels will transmit ship-to-shore distress alert by _____ in area A4. A、MF DSC B、HF DSC
C、406MHZ S-EPIRB D、Both b and c
346、The difference between international and national Navtex Service is limited to ______ .
A、frequency allocated
B、 both language and frequency C、language used