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Before entering the chain locker,you should ()

  • A.have someone standing by
  • B.make sure there is sufficient air within the locker
  • C.de-energize the windlass
  • D.All of the above
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相关试题
  1. All ships shall carry on board the following certificates except ______.

    • A.International Ship Security Certificate(ISSC)or Interim InternationalShip Security Certificate
    • B.Ship Security Plan and associated records
    • C.Continuous Synopsis Record(CSR)
    • D.Dangerous goods manifest or stowage plan
  2. General requirements for a vessel's radiotelephone station log are that ().

    • A.logs must be kept in an orderly manner
    • B.erasures are not allowed
    • C.it must identify the vessel's name and official number
    • D.All of the above
  3. Before entering the chain locker,you should ()

    • A.have someone standing by
    • B.make sure there is sufficient air within the locker
    • C.de-energize the windlass
    • D.All of the above
  4. The Certificate of Inspection for a containership ______.

    • A.is issued by the Coast Guard and is usually valid for 2 years
    • B.must be posted under transparent material near the officers' licenses
    • C.lists all of the stability limitations and conditions imposed on the vessel
    • D.shows the due date of the quadrennial test of the cargo gear
  5. Pitching is angular motion of the vessel about what axis ().

    • A.Longitudinal
    • B.Transverse
    • C.Vertical
    • D.Centerline
  6. In the absence of external forces,the center of buoyancy of an inclined vessel is vertically aligned directly below the ().

    • A.Center of gravity
    • B.Amidships station
    • C.Center of flotation
    • D.Geometric center of the waterplane area
  7. If the towline parts,you should ().

    • A.Start towing by pushing ahead
    • B.Abandon the towing vessel
    • C.Retrieve the tow bridle
    • D.Relieve strain on the retrieving line
  8. Deficient oxygen content inside a chain locker can be detected with ()

    • A.litmus paper
    • B.a combustible gas indicator
    • C.an oxygen breathing apparatus
    • D.an oxygen indicator
  9. The purpose of fuses in electric wiring is to ().

    • A.allow for cutting out branch circuits
    • B.prevent overloading the circuits
    • C.reduce voltage to the branch circuits
    • D.permit the use of smaller wiring for lighting circuits
  10. When a tug is in irons,she ().

    • A.Is made fast to the dock with engines secured
    • B.Is in dry dock
    • C.May be in danger of being overrun by her tow
    • D.Should pay out more towline