B、due to C、that D、since
114、IMN is an _____ for an SES. A、International Mobile Number B、Inmarsat Maritime Number C、 INMARSAT Mobile Number
D、International Maritime Number
115、IMO recognized that ______ would play an important role in SAR operations . A、COSPAS-SARSAT B、satellite C、INMARSAT
D、both a and b
116、In addition to meeting the requirement of Sea A1 and 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、 2187.5Khz watch receiver
117、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 118、Ships of 10000 tons gross tonnage and upwards shall be fitted with two _____,each capable of being operated independently of the other. A、radio equipment B、radar installation
C、lift-saving appliances D、EPIRBs
119、Stations in the United States of America are grouped by states arranged in the alphabetical order of their _____. A、countries B、 states C、names D、groups 120、The broadcast of MSI is made on two dedicated systems. “dedicated” means ______. A、special B、 different C、expensive D、valuable
121、The CH70 at short-range service could be used to send___________.
A、FAX B、TELEX C、DSC D、RT 122、The communication will be carried out by terrestrial or satellite means according to the ___________and the __________.
A、 tonnage of vessel / year when the vessel built B、 port of registry / the length of vessel C、the height of vessel / ships in vicinity D、equipment on vessel / areas concerned 123、The complying vessel will transmit ship-to-shore distress alert by ______ in sea area A3.
A、 MF DSC B、SES
C、406mhz S-EPIRB D、both b and c
124、The complying vessels can transmit ship-to-shore distress alerts by at least ______ .
A、One means, whether satellite or terrestrial techniques B、Two means, whether satellite or terrestrial techniques
C、Two separate and independent means, each using different radio communication services
D、Two means, such as MF DSC and HF DSC
125、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 in the globe C、minor waters or narrow waters D、some special waters in the globe
126、The COSPAS-SARSAT system provides___________. A、the coverage of Areas in A1,A2,A3,A4 B、the world-wide coverage C、the coverage of Area A3
D、 the coverage of the globe except the polar regions
127、The distance between the two Navtex stations with the same B1 character should be exceed _____ nautical miles . A、400 B、240 C、450 D、180
128、The DSC frequency for distress alerting in Area A2 is ______ . A、2182KHZ B、 2174.5KHZ
C、2192KHZ D、2187.5KHZ
129、The emergency communication set’s transmitter should not be tested except when _____by a public radio inspector. A、inspecting B、insepcted C、insepcts
D、having inspected
130、The equipment to be carried by ships ______ the area where they proceed. A、will depend
B、is dependent on C、is regardless of D、is decided by 131、The FEC mode is 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 /one ship D、contacting/other
132、The frequency ______ the safety message will be transmitted shall be included in DSC safety call. A、which
B、on which C、at which D、in which
133、The GMDSS is a world-wide communication network combining ______ with ______. A、satellite /terrestrial system B、 INMAARSAT/COSPAS-SARSAT C、SART / EPIRB
D、geostationary/polar-orbiting satellites
134、The GMDSS, for it’s part, will provide the means of communications _________ the area in which the ship is located. A、with respect to B、on account of C、 regardless of D、 because of
135、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
136、The Inmarsat system is open for use by ______ countries on a non-discriminatory basis .
A、some
B、lots of C、many D、all 137、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
138、The NAVTEX receiver can be mounted _____ . A、on the bridge
B、 in the coast station C、on the forecastle D、on starboard side
139、The NCS of INMARSAT-A system in the AOR-E is in ______. A、Goonhilly, UK B、Yamaguchi, Japan C、Perth, Australia D、Southbury, USA
140、The position if the IOR satellite in the INMARSAT system is ______ above the equator . A、64.5E B、178E C、15.5W D、54W
141、The position of the POR satellite in the Inmarsat system is ______ above the equator.
A、 55.5W B、 64.5E C、15.5W D、178E
142、The quality of EGC message is ______ affected by the position of the ship, the time of reception and climatic condition. A、sometimes B、all times C、never D、partly
143、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
144、The SART should provide a _____ indication of its correct operation and should
also inform survivors when it is interrogated by radar. A、sight or sound
B、 seeing or sounding C、visual or audible D、seeing or hearing
145、The SART will be mounted in its container and _________if it is to be used in a life-raft.
A、fixed in the boarding gate
B、fixed into the hole of the roof C、fixed anywhere in the life-raft D、none of the above
146、The transmission of a ______ indicates that a ship is in distress and requires immediate assistance. A、urgent traffic B、distress alert C、routine traffic D、NAVTEX message 147、The world’s first communication satellite, Telstar, was put into orbit in ______ . A、1962 B、1960 C、1957 D、1966
148、The WWNWS establishes three types of navigational warning:______. A、Distress, Urgency and Safety B、Vital, Important and Routine C、NAVAREA, Coastal and local D、gale, Tsunami and Ice
149、There are _____ for ships to receive safetynet messages. A、some charge B、a few charges C、more expensive D、no charge
150、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
151、Traditional and terrestrial techniques ______. A、can overcome the basic flaws of the radio system B、are useless today C、now are out of date