A schooner is a fore-and-aft rigged vessel with ______.A.a single mastB.two masts: with the mizzen stepped abaft the rudder postC.two masts: with the mizzen stepped forward of the rudder postD.at least two masts: a foremast and a mainmast
A schooner is a fore-and-aft rigged vessel with ______.
A.a single mast
B.two masts: with the mizzen stepped abaft the rudder post
C.two masts: with the mizzen stepped forward of the rudder post
D.at least two masts: a foremast and a mainmast
相关考题：
A vessel fitted with twin screws is easier in ______ than a vessel with single screw．A.turning maneuverB.course settingC.position fixingD.regulating speed
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A vessel is underway with a work stage rigged over the side. A seaman may work on the stage，but only when ______.A.wearing a life jacketB.wearing a safety harness secured to the stageC.wearing both a life jacket and a safety harness secured to the stageD.the vessel is not making way
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单选题A vessel is underway with a work stage rigged over the side. A seaman may work on the stage，but only when（）.Awearing a life jacketBwearing a safety harness secured to the stageCwearing both a life jacket and a safety harness secured to the stageDthe vessel is not making way
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单选题A vessel is heading magnetic east and its magnetic compass indicates a heading of 086°. Which action should be taken to remove this error during compass adjustment?（）AIf the blue ends of the magnets are aft，and the fore-and-aft tray is at the top，you should add some magnets.BIf the blue ends of the magnets are aft you should lower the fore-and-aft trayCIf the blue ends of the magnets are aft，and the fore-and-aft tray is at the top，you should reverse the magnetsDIf the blue ends of the magnets are forward，and the fore-and-aft tray is at the bottom，you should add some magnets
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单选题A schooner is a fore-and-aft rigged vessel with（）.Aa single mastBtwo masts: with the mizzen stepped abaft the rudder postCtwo masts: with the mizzen stepped forward of the rudder postDat least two masts: a foremast and a mainmast
单选题What equipment is customarily used when seamen are working on a stage rigged over the side of a vessel（）.AJacob's ladderBManropesCHeaving linesDAll of the above
单选题If the cargo gear on your vessel is equipped with a regular guy and a preventer guy，you should（）.Alet the schooner guy take most of the strain，thus transferring the load to the opposite boomBleave the preventer guy slackCsecure them as close together as possible on deckDsecure them so the angle between them is 90°at the boom head
单选题A ketch is a sailing vessel with（）.Aone mastBtwo masts: with the mizzen stepped abaft the rudder postCtwo masts: with the mizzen stepped forward of the rudder postDtwo masts: a foremast and a mainmast
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