发布时间 : 星期三 文章GMDSS英语阅读更新完毕开始阅读
32 The appropriate certificate related to the GMDSS ________by the administration concerned.
A. is sold. B. is given or allowed. C. is kept and edited. D. issued or recognized.
33 The communication arrangements are designed to enable distress alerting to be performed in
______ directions in all sea areas. A. one. B. two. C. three. D. four.
34 The SART should provide a ______ indication of its correct operation and also inform the
survivors when it is interrogated by radar.
A. visual. B. audible.
C. smelling. D. A or B.
35 Warnings are transmitted at specified times and remain in force ______ the information is
valid. A. so that.
B. even if. C. as long as D. other than.
36 DSC will form the basis for distress alerting and safety calling. The abbreviation DSC
means_______.
A. Distress safety Control
B. Difficult Standard Communication. C. Digital Selective Calling.
D. Different System Communication.
37 The _______is the nerve center of INMARSAT system, and it is located in the INMARSAT
headquarters? building in London.
A. SES. B. CES. C. OCC. D.NCS.
38 The ________ consists of two parts: the above deck equipment (ADE) and the below deck
equipment (BDE). A. SES. B. CES. C. OCC.
D.NCS.
39 The term_______ is included in the generic name Land Earth Station (LES), which applies to
earth stations used for either maritime or land-based communication.
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A. SES
B. CES. C. MES. D.RCC.
40 Technical code (B1 B2 B3 B4) in NAVTEX appears in the__________.
A. starting of each message. B. ending of each message. C. Preamble of each message D. framework of each message. each message transmitter. A. B1 B. B2 C. B3 B4
D. B1 B2.
42 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.
41 In technical code (B1 B2 B3 B4), the _______is a single unique letter which is allocated to
43 The ______ responsible for controlling a SAR operation shall also coordinate the distress
traffic. A. NCS. B. CES
C. OCC. D.RCC.
44 The urgency traffic shall be sent only on the authority of the _______ responsible for the
mobile unit.
A. chief engineer.
B. master. C. duty officer
D. telegrapher.
45 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. GPS.
46 On range of VHF, those transmitters and receivers within radio sight _______automatically
guarantee that an acceptable signal will be received at the point. A. / . B. do. C. don?t
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D. does not.
47 The GMDSS will be fully implemented in _____, when except for a few remaining stations,
use of Morse radiotelegraphy by ships will cease. A. 1995 B.1999
C. 2001 D.2010.
48 _____ is the Automatic Repetition request which is used in NBDP mode. A. FEC
B. SELCALL. C. ARQ.
D. RCC
49 ________ is rapid and successful reporting of a distress incident to a unit which can provide
or coordinate assistance.
A. Distress channel B. Distress alerting
C. Distress call. D. Distress priority.
50 All ships, according to the requirements for radio communication under________, should be
fitted with radiotelephone equipment. A. STCW.
B. IMO.
C. SOLAS D. MARPOL
51 Although satellites will play an important role in the GMDSS, they will not completely
replace the _________. A. Global system. B. Signaling system. C. Terrestrial system D. Transmitting system.
52 The GMDSS includes three sub-systems: INMARSAT system, COSPAS-SARSAT system
and_________.
A. GPS system
B. NAVTEX system C. terrestrial radio system D. DSC system.
53 Coastal vessels will only have to carry minimal equipment if they do not operate beyond the
range of shore-based _______ radio station. A. VHF. B. MF C. HF.
D. UHF.
54 The transmission of a ________ indicates that a ship is in distress and requires immediate
assistance.
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A. urgent traffic
B. distress alert C. routine traffic D. safety traffic. 55 The satellites of INMARSAT are placed in a ______, 35700km over the major ocean regions.
A. Polar orbit. B. Geostationary orbit C. the Milky way. D. the Moon.
56 A SES can communicate via that satellite with any CES that is also pointed at ________.
A. The same direction B. the Moon 】 C.The same satellite D. the other satellite.
57 For ships equipped with an INMARSAT SES, sending a distress alert is _______.
A. both special and slow.
B. both complex and certain C. both general and giant. D. both simple and certain.
58 There are based currently on _____ operational regions, each with its own operational
satellite, with back-up satellite in the event of failure. A. two B. three C. four.
D. five.
59 One of the shortcomings of the using radio is that radio waves travel in _______.
A. curve
B. triangle lines C. square lines
D. straight lines 60 The present INMARSAT system isn?t available in_______.
A. Atlantic ocean region.
B. Pacific ocean region
C. India ocean region. D. North polar ocean region. A. suffixed B. prefixed C. behind of D. in the front.
61 For distress traffic by radiotelephony, calls shall be ______by the distress signal MAYDAY.
62 ____ is commonly used in distress communication if it is not occupied by a distress message.
A. Channel 06
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