The lateral distance between the original position where the vessel put the rudder one side and the farther lateral position where the vessel drifts away from the center of turning during the early stage of the turning defines ______.
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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
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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
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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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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
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Pitching is angular motion of the vessel about what axis ().
- A.Longitudinal
- B.Transverse
- C.Vertical
- D.Centerline
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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
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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
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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
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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
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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
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