21年海船船员考试真题8章.docx
![资源得分’ title=](/images/score_1.gif)
![资源得分’ title=](/images/score_1.gif)
![资源得分’ title=](/images/score_1.gif)
![资源得分’ title=](/images/score_1.gif)
![资源得分’ title=](/images/score_05.gif)
《21年海船船员考试真题8章.docx》由会员分享,可在线阅读,更多相关《21年海船船员考试真题8章.docx(28页珍藏版)》请在淘文阁 - 分享文档赚钱的网站上搜索。
1、21年海船船员考试真题8章21年海船船员考试真题8章 第1章下列哪些操作应记入垃圾记录簿_。、食品废弃物投弃入海;、在锚地,将垃圾排放给垃圾接受船;、在码头,将塑料垃圾排放给港口接受设施;、在航行中,将吃不完的活鱼投弃入海。A.B.C.D.、答案:D 颈椎骨折应_人搬运。A.2B.3C.4正确答案:C 骨质中的有机质和无机质的比例随年龄的增长而发生变化。此题为判断题(对,错)。正确答案: A life preserver or buoyant work vest is required to be worn on a ship when a person is _.A.working on t
2、he rig floorB.working over waterC.working on the pipe racksD.operating line throwing equipment正确答案:B 按照要求,下列哪项不属于船长在船舶航行中的职责?A.检查和督促值班驾驶员运用各种方法测定船位,保持计划航线B.船舶进出港口、通过交管区时应遵守当地主管机关的规定,正确报告C.督促值班水手按时开启航行灯D.按要求书写夜航命令正确答案:C 尿液生成与排除的顺序为()A.输尿管膀胱尿道B.肾膀胱尿道C.输尿管肾膀胱尿道正确答案:A 专用标志的标身颜色为_。A.红色B.黄色C.黑色D.绿色正确答案:B
3、_ready for mooring.A.DoB.HaveC.MakeD.Get正确答案:D After your vessel has been involved in a casualty,you are required to make your logbooks,bell books,etc.,available to _.A.attorneys for opposition partiesB.marine surveyorsC.MSA officialsD.All of the above正确答案:C21年海船船员考试真题8章 第2章 Which system should be s
4、upplied to obtain the best efficiency and lowest emissions?A.Lean combustion principleB.Fuel oil systemC.Electrical control systemD.Electronic control system正确答案:D有大动脉的地方,就是物理降温最佳位置。()此题为判断题(对,错)。参考答案:正确研磨膏或称研磨剂,是在_中加入油溶性或水溶性辅助材料制成的混合物。A.磨料B.磨粒C.磨粉D.微粉参考答案:C 矿石船的特点是: 1.单层全通甲板; 2.双层底高; 3.货舱两侧压载舱大; 4.
5、采取纵骨架式结构;5.货舱长而大。A.1,2,3,4对B.2,3,4,5对C.1,3,4,5对D.15全对正确答案:A Rule 14 describes the action to be taken by vessels meeting head-on. Which of the following conditions must exist in order for this rule to apply?_.A.Both vessels must be power-driven.B.They must be meeting on reciprocal or nearly reciproca
6、l courses.C.The situation must involve risk of collision.D.All of the above正确答案:D规则14描述船舶对遇局面将要采取的行动。为了使这个规则适用,以下哪个条件必须具备?两船均为机动船,他们必须相遇在相反或接近相反的航向上,局面必须有碰撞危险内燃机排气成分分析仪测量的是。()A、单位时间被测气体成分的质量B、被测气体成分的质量浓度C、被测气体成分的体积浓度D、内燃机单位时间、单位功率排放被测气体成分的质量参考答案:C 船舶发生火灾后,立即减速、停车,并操纵船舶使火灾部位处于上风。此题为判断题(对,错)。正确答案: 下肢出
7、血止血带应每隔多长时间放松一次?A.23分钟B.20分钟以内C.30分钟至一小时D.一小时以上正确答案:C 第一组: The Wartsila 50DF operates on the lean-bum principle: the mixture of air and gas in the cylinder has more air than is needed for complete combustion. Lean combustion reduces peak temperatures and therefore NOx emissions. Efficiency is increa
8、sed and higher output is reached while avoiding knocking. Combustion of the lean air-fuel mixture is initiated by injecting a small amount of LFO (pilot fuel) into the cylinder. The pilot fuel is ignited in a conventional diesel process, providing a high-energy ignition source for the main engine. T
9、o obtain the best efficiency and lowest emissions, every cylinder is individually controlled to ensure operation at the correct air-fuel ratio and with the correct amount and timing of pilot fuel rejection. Wartsila has developed a special electronic control system to cope with the demanding task of
10、 controlling the combustion in each cylinder, and to ensure optimal performance in terms of efficiency and emissions under all conditions by keeping each cylinder within the operating window. Stable and well-controlled combustion also contributes to less mechanical and thermal load on the engine com
11、ponents. Current stringent emission regulations demand the reduction of NOx emissions. In an internal combustion engine this means controlling peak temperature and residence time, which are the main parameters governing NOx formations. In the Wartsila 50DF engine, the air-fuel ratio is very high (ty
12、pically 2.2). Since the same specific heat quantity released by combustion is used to heat up a larger mass of air, the maximum temperature and consequently NOx formation are lower. The mixture is uniform. throughout the cylinder since the fuel and air are premixed before introduction into the cylin
13、ders, which helps to avoid local NOx formation points within the cylinder. Benefiting from this unique feature, NOx emissions from the Wartsila 50DF are extremely and comply with the most stringent existing legislation.What is the combustion feature of the Wartsila 50DF?A.Lean air in the cylinderB.E
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 21 海船 船员 考试
![提示](https://www.taowenge.com/images/bang_tan.gif)
限制150内