154新题[1]Which signal of the follwings is not provided with onboard lifeboat? 哪种信号救生艇不配备？A. Rocket parachute signalsB. Buoyant smoke signalsC. Hand flare signalsD. Self-igniting signals答案：D Self-igniting signals自动点火信号（记忆题）[2]According to IMO regulations,______shall be posed outside lifeboat?救生艇外面应安放A. the retro-reflective tapesB. the reflective tapesC. the flashing bandsD. the anti-flashing bands答案：A）反光带(the retro-reflective tapes) （记忆题）[3]Which one of the following is not required on survival crafts?救生筏上哪一个不做要求？A.Anti-seasickness medicineB.Immersion suitsC.axesD.lifebuoys答案：D. lifebuoys救生圈（记忆题）[4]Have the safety belts for _______been examined?全封闭式救生艇的安全带已经检查过了吗？A.total enclosed lifeboatsB.totally enclosing lifeboatsC.totally enclosed lifeboatsD.total encloseing lifeboats答案：C. totally enclosed 全封闭式lifeboats[5]The fire-protected lifeboats are found________. (经检查)发现防火救生艇状况A.in satisfactorily conditionB.satisfactorilyC.satisfactoryD.satisfactored答案：C. satisfactory令人满意[6]We test the water spray fire protection system of fire-protected lifeboats every 3 months,______ the abandon ship drill. 我们每三个月测试防火救生艇的喷水防火系统，bining withbined withbining tobined to答案：B. combined with (the abandon ship drill) 连同弃船训练。
[7]Are your lifeboats fitted with_______?你轮救生艇装有A.cargo wiresB.topping liftC.guiding linesD.tripping line答案：D. tripping line锚爪拉索（记忆题）[8] （_________is prohibited，because it will weaken its sensibility）因为会减弱灵敏度，所以禁止在静水压力释放器上涂漆。
A.ship shellB.exterior of winchesC.hydrostatic release unitD.hold ladders答案：C.hydrostatic release unit 静水压力释放器（记忆题）[9]Where shall the key to CO2 room be kept?（二氧化碳室的钥匙应放在哪里？）A.In master's cabinB.In third office's cabinC.In a break-glass-type enclosure conspicuously located adjacent to the roomD.In a locked locker conspicuously located adjacent to the room答案：C. 应在一“玻璃可击碎式”、紧靠二氧化碳室、易识别的封闭处（记忆题）[10] （消防员装备The fireman's outfit包括consists of________.A.Safety lamp, protective clothing, rigid helmet, breathing apparatus（记忆题）B.Emergency escape breathing device,fire damper,extinguishersC.Firefighting equipment, portable extinguishers,fire dampersD.Fire hoses,fire nozzles,fire hydrants,fire pumps答案：A 安全灯，防护衣，钢盔，呼吸器。
[11]Which one of the following is incorrect about Mercator projection?A.It projects a sphere onto a cylinder.B.Because the resulting distance between latitudes are constantly increasing,it is also calledprogressive projectionC.It can always give true distancesD.It advantage is that longitudes and latitudes are at right angles, which makes it easy to readtrue bearings答案：C. 它总是能提供真实的距离。
[12]Why do distances always have to be measured from the nearest scale on a Mercator chart?(距离为什么总是由墨卡托海图上最近的比例测量？)A.Because it is thr most efficient wayB.Because it varies for each latitudeC.Because it varies with the change of longitudeD.Because it is the most straight line.答案：B 因为它随着每一纬度的变化而变化。
[13]What is ship's heading? 什么是船舶航向？ship's heading is the direction_______. 船舶航向就是A.the vessel is pointing.B.the vessel is traveling relative to landC.the vessel is traveling relative to groundD.the vessel is drifting答案：A 船首正在指的方向[14]How long would 15 minutes of longitude be at a latitude of 60 degrees North?在北纬60度15分, 经度是多长？A.30 nmB.60 nmC.15 nmD.7.5 nm答案：D 7.5海里（记忆题）[15]Which one of the followings is incorrect about magnetic compass?A.The magentic compass is compulsory on my vesselB.The magentic compass is prone to errorC.The magentic compass is always placed inside steel constructionsD.The magentic compass needs to be calibrated to compensate for local magnetic distortion答案：C 磁罗经总是放在钢性结构里面[16]Which one of the followings is correct regarding the use of gyrocompass?关于磁罗经下面哪项是不正确的？A.Gyrocompass does not have to be started before sailing.B.Gyrocompass must be stopped when vessel alongside a berthC.Gyrocompass needs to be checked from time to timeD.Gyrocompass is not influenced by the latitude and ship's motion答案：C 电罗盘需要经常核查[17]What may affect the accuracy of sounding with echo sounder?什么会影响回声探测仪精度？A.Sea bottomB.Ship's speedC.Speed of currentD.Water temperature and density答案：D Water temperature and densit水的温度和密度[18]What often happens when using echo-sounder at river estuary where a layer of fresh water lieson the top of denser salt water?当回声探测仪使用于一层淡水位于高密度海水之上的河口时将发生什么？A.A scattering layer appears.B.Echo sounder stops working.C.shallow water appears.D.Nothing abnormal happens.答案：A A scattering layer appears. 出现散射层[19]Regarding the use of GPS, which one of the followings is incorrect?（关于GPS的用途，哪项是不正确的？）A.GPS is the most accurate global system today.B.Its use is still under the U.S. Department of Defence's controlC.DGPS is more accurate than GPSD.GPS can provide a real-time position under any condition答案：D. GPS能在任何条件下提供实时位置[20]Without doubt the radar is a highly important navigation aid. But duty officer shall be awarethat_____when using it. 毫无疑问雷达是一种非常重要的助航设备。