125. Ships at sea are in urgent need of MSI because they are _____ various kinds of danger . A. subject for B. liable to C. easy to meet D. always encounter 126. The NAVTEX receiver can be mounted on _____ . A. on the bridge B. in the coast station C. on the forecastle D. on starboard side
127. The distance between the two Navtex stations with the same B1 character should be not exceed _____ nautical miles .
A. 400 B. 400 C. 450 D. 180
128. NAVTEX transmissions have a designed range of about _____ nautical miles . A. 300 B. 400 C. 500 D. 600
129. The transmitter identification character B1 is a single unique letter which is allocated to each NAVTEX _____ .
A. receiver B. SES C. CES D. Transmitter 五
130. In NAVTEX service, the subject indicate character B means _____ . A. meteorological warnings B. navigational warnings C. search and rescue information D. meteorological forecast 131. In NAVTEX 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 cleared coordinately C. be transmitted at its scheduled transmissions D. be transmitted at next scheduled transmissions
132. The satellites over the major ocean regions cover the globe _____ .
A. besides the polar regions B. including the North Pole and the South Pole
C. above 70°N and below 70°S D. as for north and south as 70°
133. The establishment of INMARSART as an independent organization marked a great step forward for maritime radio communications. What does “marked a great step” mean in the sentence ?
A. To run faster than ever B. To go forward C. To march without stopping D. A significant symbol of a great improvement in maritime communication.
134. 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
135. There are _____ operational satellites in the INMARSAT system covering the whole globe except the polar regions .
A. 3 B. 4 C. 8 D. 12
136. There is actually an overlap of _____ ocean regions somewhere in Western European Waters.
A. as many as three B. more than two C. less than two D. up to four
137. There is actually an overlapped area of _____ ocean regions somewhere in Western European Waters .
A. two B. three C. more than two D. more than three
138. The position if the AOR-w satellite in the INMARSAT system is _____ above the equator . A. 64.5E B. 178E C. 15.5W D. 54W 139. The GMDSS defines four sea area based on the _____ . A. location and capacity of the facilities located on board ships B. Position and type of a sincre sintion
C. Capacity and location of shore based communication facilities D. Position and capacity of mobile communication stations. 140. The NCC is located in the _____ .
A. IMO Headquarters in London B. Inmarsat Headquarters building in London C. Western European Maritime Organization D. International Maritime Safety Committee 141. The Network Coordination Station for the INMARSAT-A coast stations in the Pacific ocean region is in _____ .
A. Yamaguchi, Japan B. Beijing, China C. Nakhodka, Russia D. Perth, Australia 142. The Inmarsat SES operator can choose the most suitable CES according to _____ . A. his service and position B. time and course C. tide and speed D. type of his ship
143. During a _____ period, as a newly commissioned SES, your IMN will be past to the other CESs.
A. 20 hour B. 12 hour C. 24 minute D. 24 hour
144. After successful commissioning, the _____ will permit the SES access to system. A. INMARSAT B. IMO C. MSC D. CES
145. Who has permit the SES enter the system after successful commissioning ? A. Network B. The CES preferred by the applicant C. INMARSAT D. The SES itself
146. In Inmarsat-A, “Priority 3” means _____ communication . A. routine B. distress C. urgency D. safety
147. The maritime access code for the IOR is _____ in INMARSAT-A Telex Service. A. 581 B. 582 C. 583 D. 584
148. In Inmarsat-A, “Priority 0” means _____ communication.
A. routine B. distress C. urgency D. safety
149. Every ship must be fitted with SART, and two-way VHF radio telephone. A. 1, 2 B. 2, 3 C. 2, 1 D. 3, 2
150. The maritime access code of telephone mode in INMARSAT-A terminal for the AOR(W) is _____.
A. 871 B. 872 C. 873 D. 874
151. _____ are operated as a secondary method of alerting in the GMDSS. A. satellite EPIRBs B. Non-satellite EPIRBs C. SES and DSC D. a+b 152. Which Inmarsat system applies store-and-forward messaging ? A. Inmarsat-A B. Inmarsat-C C. Inmarsat-B D. Inmarsat-M 153. Distress signal are always stored in the memory so as to start _____ . A. local-mode coverage B. SAR operations C. date process D. continuous broadcast 154. EGC is a _____ part of INMARSAT-C.
A. component B. supportable C. combined D. complimentary 155. _____ will form the basis for distress alerting and safety calling. A. GMDSS B. EGC C. MSI D. DSC 156. Mariners can use DSC for _____ .
A. general communication B. distress alerting and safety calling C. receiving MSI D. both b and c
157. In Area A2, the DSC frequency for distress alerting is _____ . A. 2182KHz B. 2174.5KHz C. 2191KHz D. 2187.5KHz 158. 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 occurred C. inform other coast stations of distress incident D. repeat the distress alert in 5 minutes
159. distress and safety communications following DSC calling will be performed by radiotelephony or _____ .
A. NBDP B. EGC receiver C. NBDP or both D. EGC receiver or both
160. If the DSC controller is configured for MF/HF operation, the distress will be sent on _____.
A. double frequencies B. single frequency C. dedicated frequency D. multiple frequencies 161. IMN is an _____ for an SES.
A. International Mobile Number B. Inmarsat Maritime Number C. INMARSAT Mobile Number D. International Maritime Number
162. However, reception of certain types of MSI messages, such as shore to ship distress alerts and navigational and meteorological warnings are _____ . A. selective and can be suppressed by ships
B. mandatory and cannot be suppressed by ships in the affected area C. not very important so that ships don?t require them D. received by all ships wherever they are
163. Ships sailing in _____ are able to receive and print out EGC message.
A. a fixed area or Navarea in any ocean region B. a Navarea or weather forecast area C. the designated area or given geographic D. anywhere of the world 164. Ships sailing in _____ are able to receive and print out EGC message.
A. a fixed area or Navarea in any ocean region B. a Navarea or weather forecast area
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