航海英语【大副甲类】题库 单选题 1分 ECDIS units incorporate Digital Chart Data Formats, which include ______. A.vector only B.raster only C.vector and raster D.imposed viewing 点击查看答案 进入题库练习 参考答案: C 你可能感兴趣的试题 1 单选题 1分 When underway in a channel,you should if safe and practicable ______. A.stay near the middle of the channel B.keep to the starboard side of any vessels you meet C.exchange whistle signals with any other vessels in the channel D.keep to the side of the channel which lies to your starboard 点击查看答案 2 单选题 1分 As per STCW, any crew having consumed alcohol within _____ shall not serve as a member of a watch. A.one hour B.four hours C.two hours D.three hours 点击查看答案 3 单选题 1分 In considering the number and strength of the securing points and items of cargo securing gear to be used, the following elements should be taken into account except _______. A.dynamic forces under adverse weather conditions B.geographical area of the voyage C.the language of the Cargo Securing Manual D.size, design and characteristics of the ship 点击查看答案 4 单选题 1分 In stopping distances of vessels,head reach can best be described as the ______. A.difference between the vessel's speed through the water at any instant and the new speed ordered on the telegraph B.distance the vessel has actually run through the water since a change of speed was ordered C.distance the vessel will run between taking action to stop her and being stationary in the water D.speed at which a vessel should proceed to ensure that she will run a predetermined distance,once her engines have been stopped 点击查看答案 5 单选题 1分 A floating vessel's speed may be significantly affected by the following factors except _____. A.the resistance of the water B.the depth of water C.the local weather condition D.the number of crew on board 点击查看答案