问题:单选题救生艇使用须经船长同意,港内用艇还应征得()的批准。A 海事局B 港口主管当局C 船籍港D 船舶检验部门
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问题:单选题船舶燃油舱柜空气管管端的金属防火网,其有效通流面积应()。A 不小于空气管的截面积B 等于空气管截面积的1.25倍C 等于空气管截面积的1.5倍D 等于空气管截面积的2倍
问题:单选题When received the order "finished with engine" which of the following operations is wrong?()A stop the LO pump, SW pump, FW pumpB stop the priming FO transfer pumpC engage the turning gearD open the scavenge air belts drain valve and cover the turbocharger silencer with the dustproof cover
问题:单选题堆焊工艺适于修补零件大面积磨损;腐蚀破坏或修理()的零件。A 裂B 断裂C 烧蚀D 超差零件
问题:单选题柴油机在实际循环中,充量系数的数值范围()。A 总是大于1B 总是小于1C 总是等于1D 大于1还是小于1随机型而定
问题:单选题中国籍船舶在我国管辖海域以外发生的污染事故,其所有人或经营人应当立即向船籍港所在地的直属海事机构报告,并于()提交《船舶污染事故报告书》.A 48小时内B 24小时内C 48小时后D 24小时后
问题:单选题In order for a vessel to be engaged in fishing she must be().A underwayB using gear which extends more than 50 meters outboardC using a seine of some typeD using gear which restricts her maneuverability
问题:单选题会使舵杆承受侧推力的转舵机构是()。A 转叶式B 四缸十字头式C 双缸拨叉式D 双缸双作用摆缸式
问题:单选题下列有关交叉相遇局面条款说法哪个正确?()A 互见中,除帆船外的任何船舶航向交叉相互驶近构成碰撞危险,适用交叉相遇局面条款B 互见中两艘限于吃水的船舶航向交叉相互驶近构成碰撞危险,适用交叉相遇局面条款C 三艘机动船同时航向交叉相互驶近构成碰撞危险,适用交叉相遇局面条款D 互见中三艘机动船同时航向交叉相互驶近构成碰撞危险,其中任两船之间适用交叉局面条款
问题:单选题在冰区如何抛“冰锚”?()A 把锚直抛入到碎冰中B 用锚将冰层打碎,然后抛入海底C 将锚链放在挖好的冰槽中,浇水与冰冻结在一起D 以上均不正确
问题:单选题The cooling water jacket is common to all the cylinders but there are often () to ensure that each cylinder receives the right amount and flow of water.A dividing wallsB divided wallsC dividing linersD divided jackets
问题:单选题在冰区如何抛“冰锚”()?A 把锚直抛入到碎冰中B 用锚将冰层打碎,然后抛入海底C 将锚链放在挖好的冰槽中,浇水与冰冻结在一起D 以上均不正确
问题:单选题根据《国内水路货物运输规则》,收货人提取货物时发现货物损坏,灭失的,交接双方应当编制().A 货运记录B 载货记单C 查询单D 提货单
问题:单选题能产生雷暴或冰雹的云是()。A CiB CuC CbD Ns
问题:单选题When air becomes trapped in the hydraulic fluid of a steering system, the ().A rudder will respond sluggishlyB hydraulic rams will over-speedC sight glass will show bubblesD ram relief valves will lift
问题:单选题In areas covered by Inmarsat HF can be used as an()to satellite communications.A alternationB alternateC alterD alternative
问题:单选题关于锅炉燃烧器管理的下列说法中正确的是()。A 炉膛底部积油说明喷油量过多B 装备多个燃烧器的锅炉若暂时停用个别燃烧器,应关严风门防止漏风C 不能用钢丝刷清除雾化片上的结焦D 雾化片价格高,一般不存备件
问题:单选题The Vessel can be()in lawful trades between ports,anchorages or places where it is customary for similar size vessels to lie safely aground.A PermalloyedB DestroyedC DeployedD employed
问题:单选题Which of the following machinery space operations is required to be logged in the Oil Record Book?()A Ballasting or cleaning of fuel oil tanksB Shifting suction of main fuel pump to reserve fuel oil tankC Changing out sprayer plates to adjust for steam demandD Daily inspection of engine room bilges
问题:单选题SART一般装有判断工作情况的发光装置,预备状态下指示灯以2秒为一周期闪烁一秒,停一秒()A 0/2B 1.5/0.5C 1/1D 0.5/1.5