The most doubtful and unpredictable factor in a mooring system is the ______．

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• 1After casting off moorings at a mooring buoy in calm weather，you should ______．

  A.go full ahead on the engine(s)

  B.back away a few lengths to clear the buoy and then go ahead on the engines

  C.go half ahead on the engines and put the rudder hard right

  D.go half ahead on the engines and pass upstream of the buoy

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• 2Apparent wind speed blowing across a vessel under tow can be measured by a(n) ______．

  A.barometer

  B.wind vane

  C.anemometer

  D.thermometer

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• 3Annex V to MARPOL 73/78 contains requirements pertaining to the discharge into the marine environment of ______．

  A.oil

  B.garbage

  C.noxious liquid substances

  D.None of the above

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• 4Instructions on how to conduct search and rescue are given in the ______ which is primarily designed for use by merchant ship．

  A.MARPOL

  B.IRPCS

  C.SOLAS

  D.MERSAR

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• 5How many GMDSS operators are needed/required on board according to the provisions of the International Convention for the Safety of Life at Sea,1974、 ______．

  A.4 operators

  B.3 operators

  C.2 operators

  D.1 operator

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• 6Chafing gear should be placed ______．

  A.at all wearing points of mooring lines

  B.at the bitter ends of all standing rigging

  C.around running rigging

  D.on wire rope only forces

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• 7Owing to the big draught of the ship，she has to go alongside by the time of ______．

  A.spring tide

  B.flood tide

  C.ebb tide

  D.slack water

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• 8The rules state that vessels may depart from the requirements of the Rules when ______．

  A.there are no other vessels around

  B.operating in a narrow channel

  C.the Master enters it in the ship's log

  D.necessary to avoid immediate danger

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• 9Mariners proceeding across the main routes are ______ to do so as wide an angle aspracticable．

  A.recommended

  B.reported

  C.applied

  D.complied

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• 10A tug would NOT assist a ship to steer if the tug is made up to the large vessel ______．

  A.by a tow line ahead of the vessel

  B.forward on either bow of the vessel

  C.approximately amidships of the vessel

  D.on the vessel's quarter

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