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1.Which action(s) is/are included in crane operations? A. Normal boom stowage and shutdown operations B. Emergency shutdown operation C. Removing booms from stowage D. All of the above 起重机操作中包括哪些动作?上面所有的2.Which procedure(s) shall be used to determine risk of collision? A. Watching the compass bearing of an approaching vessel B. Systematic observation of objects detected by radar C. Long-range radar scanning D. All of the above 哪些步骤应该用来判断碰撞危险?上面所有的3.A mooring line leading 45°to the keel,used to check forward or astern movement of a vessel,is called a ______. A. spring line B. warp line C. bow line D. breast line 一种系泊缆跟龙骨成45度,用来牵制船舶首尾移动,叫做倒缆4. When two power-driven vessels are crossing, which vessel is the stand-on vessel?A. The vessel which is to starboard of the other vessel.B. The vessel which is to port of the other vessel.C. The larger vessel.D. The vessel that sounds the first whistle signal.当两艘机动船交叉相遇,哪一艘是直航船?在他船右舷的船舶5. When using a hand held smoke signal from a lifeboat, you should activate the signal _____A. on the downwind side B. on the upwind side C. inside the boatD. at the stern 当在救生艇上用手举起烟雾信号,你应该使信号在下风侧。6 Aboard damaged vessels,the MOST important consideration is preserving ______. A. bilge pumping capacity B. reserve buoyancy C. level attitude D. instability 登上破损船舶,最重要考虑的是保留储备浮力7.In complying with the Rules,of what must the mariner take due regard? ______. A. Limited backing power of his vessel B. Radar information about nearby vessels C. The occupation of the other vessel,if known D. All of the above 遵行条款,海员必须应该注意什么?8. What is the direction of rotation of tropical cyclones, tropical storms and hurricanes in theNorthern Hemisphere ?______A. Clockwise and outward B. Counterclockwise and inwardC. Counterclockwise and outward D. Clockwise and inward在北半球,热带气旋,热带风暴,飓风的旋转方向是什么?逆时针向内9.Before loading bulk grain,bilge wells must be covered to ______. A. add strength to the bilge well strainer B. permit rapid fl
有哪些信誉好的足球投注网站
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