轮机英语听力会话问答题与口述.docx

1、轮机英语听力会话问答题与口述轮机英语听力与会话评估三版问答题参考答案第一章 公共英语1How long have you ever worked on board?I have worked on board for 2 years.2 Which certificate do you have now?I have the Fourth Engineers Certificate.3 What is your marital status? How many departments are there on board? I am married. There are there depar

2、tments on board: deck department, engine department and service department.4 How many people are there in your family? Are you married? There are there people in my family. I am not married.5.How many countries have you ever been to?I have been to many countries such as Japan, Singapore, America, et

3、c.6. When did you begin to work on board? What kind of ship have you worked on?I began to work on board in 2000, I have worked on bulk Carriers.7. How many important canals are there all over the world?There are three: the Panama Canal , Suez Canal and Kiel Canal.8.Can you tell me what is the most i

4、mportant thing for a seafarer?For a seafarer, the most important thing is safety, his sense of responsibility and professionalism.9.What kind of main engine and generator engine have you worked on?Oh, several models. For instance ,main engine: SUZER RND 68,6700kw; Generator engine: YANMAR 6ML-HTS 27

5、0kw and so on.10Which classification society is your ship registered with?CCS.( china classification society)11Have you worked any ship that caused damage in critical equipments?(你工作过的船发生过重大机损吗？)No, I havent. 12 How do you make your maintenance schedules?（维护保养计划）According to the ISM Code ,the preven

6、tive maintenance plan is made based on the ships “Planned Maintenance System” and the machinery running hour records.(根据ISM规则，预防维护计划是基于船舶的计划保养体系（PMS）和机械运转时间记录来制定的)13Could you list international conventions concerning marine shipping?（你能列出有关海运的国际公约吗？）They are SOLAS74, MARPOL73/78 and STCW78/95 ,etc.1

7、4Could you tell the usages of the STCW convention?(您能谈谈STCW公约的应用情况吗？)Yes, it is used in seafarers training , certification and watch keeping.15 What is the purpose of classification society? Could you list some of them?The purpose is to evaluate the condition of the ship, the management system of sh

8、ipping company and to ensure safety. some are CCS, LR ,BV (法国), ABS and so on. 16Could you list different kinds of ships surveys?Ships survey include annual survey, intermediate survey, in-dock survey, temporary survey and special survey, etc.17 What does UMS stand for? Have you served UMS?UMS stand

9、s for Unmanned Machinery Space. Yes, I have severed UMS before. 18 Have you even experienced PSC inspection? Where and when was your last inspection?Yes, I have experienced PSC inspection, we had it during our last voyage in America.19What should be paid attention to in the overhaul of a cylinder.(在

10、气缸大修过程中应该注意什么？)We should pay attention to the safety and the special tools.20 Before entering an enclosed space such as ballast tank, what action will you take?I will vent the space and check the oxygen content.21 Please tell me the minimum safe oxygen percentage for the safety of the workers in an

11、enclosed space.(请说出进入封闭舱室需要的安全氧气含量)More than 18% and no more than 23%.(大于18%，小于23%)第二章 机舱日常业务1 Please introduce one type of the main engine A two-stroke diesel engine or four-stroke diesel engine. 二冲程柴油机 四冲程柴油机2 Please introduce fuel injection process of electronically controlled main engine请介绍电控主机的

12、燃油喷射过程 The fuel oil is pumped into “ common rail” (共轨系统) then injected into the cylinder by an electronic control unit.3 Please introduce dual fuel technology of main engine This kind of main engine can burn both natural gas(天然气) and fuel oil used in large medium speed engine.4 Why is the two-stroke

13、 engine widely used on board ship? Because the two-stroke engine can develop more power than a four-stroke engine of the same size.5Why is the air exchanging quality of four-stroke engine more than of two-stroke engine？为什么四冲程发动机的换气质量比二冲程的要好？ Because in the four stroke engine there is an enough overl

14、ap between the air inlet valve opening and the exhaust valve closing. 扫气口打开与排气口关闭之间的重叠充分。6 Please introduce three moving parts of marine main engine Crankshaft, connecting rod, crosshead, piston and so on.7 Whats the sequence of the four strokes? Suction, compression, expansion and exhaust8 Please i

15、ntroduce four fixing parts of marine main engine Bed plate, cylinder block, scavenge air box and frame. 机座， 气缸体， 扫气箱， 机架9 What is called a working cycle of diesel engine? The operation between two fuel injections is called a working cycle.10 what is the foundation of diesel engine? The bedplate.11 w

16、hat are the function and feature of the tie rods? tie rods are used to secure the bedplate, the frame and cylinder block together, they are long rigid rods.12 what is the function of the governor of the main engine? Adjust the speed of main engine.13 what is the feature of the governor? The feature

17、of the governor is automatically maintaining the constant speed ordered by the operator of an engine.14 what is used for connecting the piston rod and connecting rod? The crosshead15 what is used for sealing between the crankcase and scavenging air box? The stuffing box.16 what are the two types of

18、the cooling system? They are closed fresh water cooling system and open sea water cooling system.17 whats the function of the head tank used in the cooling water system? The function is to make up water, vent the air in the system and allow the expansion of water.18 please introduce the open cooling

19、 system.It refers to the sea water system, in which sea water is used as coolant in individual cooler and discharged into the sea after use.19 please introduce the close cooling systemIt refers to the fresh water system, in which the engine jacket, the heat exchanger and the fresh water circulating

20、pumps form a continuous circuit which is not open to the atmosphere.20 please introduce the central cooling system. Central cooling system is based on same design principles with convention sea water cooling system but with a central cooler and one a additional set of pump 21 whats the advantage of

21、the central cooling water system? With less equipment contacting with sea water, the corrosion problems are much reduced in the system.22 how to control fuel oil viscosity of main engine? By controlling the oil temperature.23 please introduce two sub-systems of the fuel oil system. Fuel supply syste

22、m and fuel injection system.24 Please speak out the function of the fuel oil viscosity regulator.The function is to control the viscosity of the fuel oil.25 How does the fuel oil viscosity regulator work? To regulate the temperature of fuel oil by controlling the steam.26 Please tell at least three

23、composition of fuel oil. Sulphur, water content , carbon, etc.27 Please name at least three of main factors to select a fuel oil. Viscosity, cetane number, calorific value, sulphur, etc.28 What is the usual coolant used in the marine diesel engine?Fresh water , lube oil and seawater.29 why sea water

24、 is not used directly as a coolant in the marine diesel engine?Because sea water is corrosive and liable to leave deposits.30 What s the advantage of oil-cooling piston? The advantage is that any leakage of lube oil will not cause corrosion and contamination.31 Whats the disadvantage of water-coolin

25、g system?Water leakage within the engine can cause corrosion and contamination.32 Whats the function of the lubricating oil in main engine? The functions are as follows: to provide lubricating film, remove heat, clean the moving parts and so on.33 How do you clean the lube oil filters? I clean the n

26、et of the filters in the light oil, then blow it with compressed air.34 When do you clean the fuel oil filters? We clean the fuel oil filters periodically.35 Why must the cylinder oil have alkalinity? It is to neutralize the acid products of combustion36 Whats the function of the cylinder oil? The f

27、unction is lubrication, forming a gas seal and cleaning the cylinder liner. 37 How do you start the air compressor? Firstly, check the lube oil lever; secondly turn it and make sure that it can turn smoothly, make sure everything is OK, and start it.38 What do you pay attention to when you stand by

28、engine? Checked various pressure and temperatures, warm up the engine, turn the engine with turning gear and so on39 Do you know the reasons why the engine does not start on air? The causes may be starting air pressure is too low, the turning gear is engaged in, master valve is not actuated, etc.40

29、What should you periodically do for the air reservoir? We periodically drain any water or sludge in it.41 Whats the function of gas exchange in diesel engine? Gas exchange refers to the supply of fresh air for combustion and removal of exhaust gas.42 Whats the function of supercharging in diesel eng

30、ine? It is to increase the amount of fresh air supplied for combustion, thus to increase the output of the engine.43 How do you operate the main engine in cold weather? Warm up the engine and keep the charge air and oil at proper temperature44 How do you heat the main engine? The main engine is to b

31、e warmed by circulating hot water through the jacket.45 How do you change diesel oil into fuel oil? Heat diesel oil first and then open the fuel oil valve.46 How do you change fuel oil into diesel oil? Decrease the fuel oil temperature, open diesel oil valve, close the diesel oil valve. 47 What is t

32、he function of the turning gear? The turning gear is used to make engine operate slowly for inspection48 How do you measure the clearance of the main bearings? By lead wire or feelers.49 How do you measure the crank deflection of the main engine? By crankshaft deflection gauge.50 Do you know why the diesel engine exhausts black smoke? Yes, t