发布时间 : 星期三 文章GMDSS英语阅读更新完毕开始阅读
B. Channel 12
C. Channel 16 D. Channel 08.
63 When using VHF, the users should avoid _______ signals.
A. necessary.
B. important. C. superfluous.
D. sound.
64 _____ equipment may achieve bridge-to-bridge communication?
A. HSD. B. HF C. VHF
D. LF.
65 A distress signal transmitted from which EPIRB is relayed by an INMARSAT satellite to
CESs?
A. A-band EPIRBs. B. L-band EPIRBs. C. C-band EPIRBs D. 406Mhz EPIRBs. what period of time? A. eight hours. B. three days. C. four days
D. forty-eight hours.
66 The SART is required to have sufficient battery capacity to operate in the stand-by mode for
67 The ships operate in all sea areas must carry _______equipment.
A. VHF
B. MF C.HF
D. satellite EPIRB
68 ______ is not available in the INMARSAT system.
A. Automatic calling
B. Radiotelephone
C. Direct-printing telegraphy
D. HF MSI.
69 ________ is not available in the VHF, MF and HF terrestrial systems.
A. DSC
B.Direct-printing radiotelegraphy. C. SafetyNET MSI D. NAVTEX.
70 The distress alerting information includes all of the below except the ________.
A. the recorded date
B. course and speed of the ship C. name or call sign of the ship
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D. names of the crew members.
71 The functional requirements of the GMDSS include transmitting and receiving
______distress alerts. A. ship to ship B. ship to shore.
C. shore to ship
D. A, B and C.
72 The _____ provide the link between the satellites serve as NCSs.
A. SESs
B. CESs C. OCCs
D. CSSs.
73 The COSPAS-SARSAT system is available to_______.
A. Canada only
B. the former USSR and USA C. China
D. all countries.
74 The _______shall have absolute priority over all other messages.
A. navigational warning
B. medical message. C. urgency message
D. distress call.
75 The GMDSS can make sure the promulgation of distress alert in_________ directions. A. 5. B. 4.
C. 3.
D.2.
76 Coastal area of China lies in NAVAERA________.
A. 6.B. 8. C. 101. D.16.
77 International NAVTEX must be carried out in __________.
A. Chinese. B. English C. Spanish. D. German.
78 Each radio telegram should be transmitted _______ by the sending station. A. twice a day
B. once only
C. as many times as possible.
D. continuously.
79 Every ship. While at sea, shall be capable of transmitting those as listed below except
_______.
A. ship to ship distress alerts B. shore to ship distress alerts
C. ship to shore distress alerts
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D. on- scene communication.
80 _____ is used for locating of the ship or survival craft by searching ships and aircraft when
near the distress position. A. VHF equipment. B. NAVTEX equipment. C. SART.
D. EPIRB equipment.
81 The equipment required to be carried by a ship will be determined by the ship?s ________. A. area of operation. B. size.
C. date of building.
D. type.
82 For communications between a coast station and a ship station, the __________shall finally
decide frequency or channel to be used. A. station called B. calling station C. coast station D. ship station
83 On hearing an urgent signal, every station shall take care ______interfere with transmission
of the message which follows it. A. do not B. to
C. mustn?t to D. not to
84 The equipments of the GMDSS required on a ship depend on _________in which they operate.
A. its TGT
B. its engine type C. its trade areas
D. its work condition
85 Distress alert shall be addressed to _______you may reach.
A. a mobile station B. a coast station
C. a particular station
D. all the mobile and coast station.
86 All stations hearing the distress alert shall listen to the alert communication until they are
satisfied that message is ________to them. A. of much concerned B. of no concern C. in relation
D. directly related.
87 The EGC receiver will be dedicated to the EGC function which ensures a high probability of
receipt of _______messages.
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A. ship-to-ship
B. ship-to-shore C. shore-to-ship D. shore-to-shore.
88 The FEC mode is for ______from ________station to two or more other stations when
available.
A. receiving messages/one coast B. transmission/one coast or ship C. communicating/one ship D. contacting/other.
89 The EPIRBs should be mounted _________to be protected from harmful conditions.
A. at a regular place
B. anywhere on board
C. at the higher place on the vessel
D. in one hold
90 _______has the right to decide the MSI transmission charges.
A. National telecommunication department and the CES related. B. ITU
C. WMO.
D. International billing and settlement bank. A.1899 B.1912 C.1914 D.1906
91 It was in ______that the first ship was fitted with radio.
92 IMO in co-operation with IHO established the WWNWS for_________. A. the broadcast of MSI
B. the co-ordination and broadcast of navigational warning C. the co-ordination of meteorological report D. all is right.
93 If the ship suddenly sunk or the distress destroyed the radio station ______should be mainly
used.
A. the INMARSAT SES B. the DSC C. the EPIRB D. the SART. A. VHF B. MF C. EPIRB
D. A, B, and C are required.
94 When sailing in sea area A2 ships will carry_________
95 The contribution by the ________was crucial to the development of the GMDSS. A.IMO
B.WMO
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