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What statement is generally correct regarding the maintenance requirements for ships under GMDSS?

  • A.Redundancy of functions of certain equipment will partially meet this requirement
  • B.On-board maintenance provided by a person holding a Second Class Electronic Certificate license will partially meet the requirements
  • C.shore based maintenance and scheduled tests and inspections will partially meet this requirement
  • D.All of these
试题出自试卷《GMDSS通信英语试题(1)》
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相关试题
  1. A ship operating in sea area A1 must have the following provisions of maintenance:

    • A.Shore maintenance
    • B.Duplication of equipment
    • C.At Sea Maintenance
    • D.Any one of these
  2. What is the basic concept of GMDSS?

    • A.Search and rescue authorities shore can be alerted to a distress situation
    • B.shipping in the immediate vicinity of a ship in distress will be rapidly alerted
    • C.Shore-side authorities and vessels can assist in a coordinated SAR operation with minimum delay
    • D.All of these
  3. Which system has the least effective radius of operation?

    • A.HF SITOR
    • B.MF NBDP
    • C.VHF DSC
    • D.NATTEX
  4. Which of the following systems is most likely to be subject to fading or static interference?

    • A.HF NBDP
    • B.INMARSAT
    • C.Digital Selective Calling on channel 70
    • D.VHF ARQ
  5. Which system is most likely to be affected by atmospheric disturbances?

    • A.VHF DSC
    • B.INMARSAT Standard-C
    • C.MF/HF radiotelephony
    • D.Safety NET
  6. Which system is least likely to be affected by atmospheric disturbances?

    • A.NAVTES
    • B.MF NBDP
    • C.SES
    • D.HF NBDP
  7. What is the minimum operation time of reserve source of energy on ships with an emergency energy source?

    • A.1 hour
    • B.6 hours
    • C.12 hours
    • D.24 hours
  8. Vessel operating in which sea area(s) are required to carry either INMARSAT or HF equipment or a combination thereof under GMDSS?

    • A.All sea areas
    • B.A3
    • C.A4
    • D.A3 and A4
  9. What is the primary purpose of the GMDSS?

    • A.Environmental protection
    • B.A common international communications system for all shipping
    • C.Automate and improve emergency communications for the world’s shipping industry
    • D.Effective and inexpensive communications
  10. What statement is generally correct regarding the maintenance requirements for ships under GMDSS?

    • A.Redundancy of functions of certain equipment will partially meet this requirement
    • B.On-board maintenance provided by a person holding a Second Class Electronic Certificate license will partially meet the requirements
    • C.shore based maintenance and scheduled tests and inspections will partially meet this requirement
    • D.All of these