航海英语【二三副甲类】题库 单选题 1分 Pump out No.2 port ballast tank to ________. A.keep vessel afloating B.refloat vessel listing to starboard C.make vessel all-right D.bring vessel upright 点击查看答案 进入题库练习 参考答案: D 你可能感兴趣的试题 1 单选题 1分 The best method to stop a vessel from dragging anchor in a sand bottom is to ________. A.reduce the length of the cable B.pay out more anchor cable C.back the engines D.swing the rudder several times to work the anchor into the bottom 点击查看答案 2 单选题 1分 The directive force of a gyrocompass ________. A.increases with latitude,being maximum at the geographic poles B.decreases with latitude,being maximum at the geographic equator C.is greatest when a vessel is near the Earth's magnetic equator D.remains the same at all latitudes 点击查看答案 3 单选题 1分 What is the purpose of the freeing ports on a vessel with solid bulwarks? A.Allow water which may be shipped on deck to flow off rapidly B.Permit easy jettisoning of deck cargo in an emergency C.Prevent the formation of any unusual stress concentration points D.Lighten the above deck weight caused by a solid bulwark 点击查看答案 4 单选题 1分 Two vessels are in an overtaking situation. Which of the lights on the overtaken vessel will the overtaking vessel see? A.Two masthead lights B.One masthead light and a sidelight C.Both sidelights D.Stern light only 点击查看答案 5 单选题 1分 Which space cannot be deducted from gross tonnage when calculating net tonnage? A.Crew messroom B.Forepeak ballast tank C.Master's cabin D.Chain locker 点击查看答案