GMDSS阅读单选题()
1、_____ means the finding of ships, aircraft, units or persons in
distress.
A、shore-based radar assistance B、locating
C、search and rescue D、salvage
2、_____ will form the basis for distress alerting and safety calling. A、GMDSS B、EGC C、MSI D、DSC
3、______ are used for distress alerting as a rule . A、SES/DSC/EPIRB
B、SART/radiotelephone C、COSPAS-SARSAT D、both a and c 4、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 ______ . A、DSC system B、EGC
C、Terrestrial Radio D、Alerting information
5、A SART provides the main means _____ a survival craft or the mother ship in distress under the global maritime distress and safety system A、to locate B、for locating C、in locating D、 by locating 6、All coast radio stations _____ DSC installed for VHF and HF. A、have B、 had
C、are having D、have had
7、Bridge-to-bridge communication means _____ communications between ships from the position from which the ships are normally navigated. A、distress B、urgent C、safety D、general
8、COSPAS-SARSAT is intended to be used for search of people in distress,
_____ .
A、only at sea or in air
B、no matter where they are C、mainly at sea or on board
D、In Inmarsat operational regions
9、Distress traffic ______ all messages relating to the immediate assistance required by the ship in distress, including search and rescue communications and signals for locating. A、consists of
B、is consisted of C、consisted of
D、are consisted of
10、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 11、Exchange of answer-backs acts a confirmation that the messages _____ at the destination. A、 have received
B、have been received C、 are received
D、are being received
12、GMDSS began a phased implementation on 1 February _____________. A、1971 B、1996 C、1992 D、1999
13、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 in open sea 14、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
15、In case a ship is in emergency or distress in any of 4 areas, it
is required to use the continuous ______ alert . A、MF/HF B、SART C、EPIRB
D、any of A, B, C
16、In the GMDSS, distress alerting can be transmitted in ______ directions. A、1 B、2 C、3 D、4
17、NAVAREA 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 18、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
19、___________ means rapid and successful reporting of a distress incident to a unit which can provide or coordinate assistance. A、Distress message B、Distress alerting C、Safety calling
D、digital selective calling
20、Any ships fitted with SES can ______ and _______ through the satellite system when sending a distress alert . A、 enter the system / contact an RCC
B、access to INMARSAT / establish contact with a CES
C、have absolute priority to enter the system / make contact with a CES
D、enter the system gradually / wait for rescue
21、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
22、Equipment requirement vary according to _______. A、Ship owner’s will B、economic condition
C、the area in which the ship operates D、different orders of all countries
23、For COSPAS-SARSAT system, ______ usually transmit initial COSPAS-SARSAT alert . A、RCC B、MCC C、LUT D、MRCC
24、If EGC receiver shares a same antenna with Inmarsat SES, it means that it can receive MSI ______ . A、from any Inmarsat satellite
B、from any appropriate Navtex and EGC station C、via the satellite the SES is tracking D、from any RCC and coast station
25、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
26、It is quite ______ for an SES operator to send a distress alert . A、easy and expensive B、simple and certain C、 dangerous and stable
D、difficult and compulsory
27、Monitoring is especially important in a highly automated system which is dependent on careful ______ procedure and format. A、adherence to B、adoption to C、relaying on D、usage of
28、NAVTEX co-ordinators control messages transmitted by each station according to ______.
A、the information contained in each message B、the geographical coverage required C、transmitted identification D、A and B are right 29、On-scene communications will normally take place between ______. A、 ship in distress and assisting units B、NCS and RCC C、RCCs and ‘0n-scene commander’ or “co-ordinator surface search” D、ship in distress and coast station
30、SAR coordinating communication are between ___________. A、SES and CES
B、NCS and RCC C、RCCs and “on-scene commander” or “coordinator surface search” D、ship in distress and RCC
31、Ships sailing in area A2 will at least be capable of transmitting a ship-to-shore slert on ______ . A、COSPAS-SARSAT B、 156.525MHZ DSC
C、 2187.5khz DSC and satellite EPIRB D、2182khz R/T and satellite EPIRB 32、SOLAS ships should keep a continuous listening watch on ______ . A、CH 16 B、2182KHZ C、121.5MHZ D、Ch 70
33、The auto-operation of tron-30s S-EPIRBis mainly controlled by ______________.
A、the mercury switch B、battery unit
C、 its’ switch on the top
D、 its environmental condition
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34、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 NAVTEX Service B、FleetNET Service C、SafetyNet Service D、WWNWS 35、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
36、The quality of the message can be affected by ______ . A、climate B、sunshine
C、human beings D、both a and b
37、The transmitter identification character B1 is a single unique letter which is allocated to each NAVTEX _____ . A、receiver B、SES C、 CES