轮机英语听力与会话三版PARTⅡ问答题答案.docx

1、轮机英语听力与会话三版PART问答题答案PART英语评估问答题参考答案第一章 公共用语1. How long have you worked on board? I have worked on board for 7 years.2. Which certificate do you have now? Now I have a motormans certificate.3. What is your marital status? How many departments are there on board? Im married/single. There are three.4.

2、How many people are there in your family? Are you married? There are 3. Yes, Im married/No, Im single. 5. How many countries have you ever been to? 2 countries.6. When did you begin to work on board? What kind of ship have you worked on? I began to work in 2003. I have worked on bulk carriers.7. How

3、 many important canals（运河） are there all over the world? There are two. They are Panama Canal and Suez Canal.8. Can you tell me what is the most important thing for a seafarer? Yes. The most important thing is safety.9. What kinds of main engine and generator engine have you worked on? Main engine i

4、s B&W/2-stroke/low speed and generator engine is Sulzer/4-stroke/medium speed.10. Which classification society（船级社） is your ship registered with? CCS. 11. Have you worked any ship that caused damage in critical equipment? No, I havent.12. How do you make your maintenance schedules（时间表）? According to

5、 PMS.(维修保养计划)13. Could you list international conventions concerning marine shipping? Yes. SOLAS, STCW, MARPOL, and so on.14. Could you tell the usages of the STCW convention? Yes. It is used in seafarers training, certification and watchkeeping.15. What is the purpose of Classification Society? Cou

6、ld you list some of them? To carry out surveys is to ensure safety. Some are CCS, LR, BV and ABS.16. Could you list different kinds of ships surveys? Yes. Annual survey, intermediate survey, and special survey.17. What does UMS stand for? Have you served UMS? Unattended machinery space. No, I havent

7、.18. Have you ever experienced PSC inspection? Where and when was your last inspection? Yes, the last inspection was in Singapore in 2009.19. What should be paid attention to in the overhaul of a cylinder? Pay attention to the safety and the special tools.20. Before entering an enclosed space such a

8、s 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 enclosed space. More than 18 percent and no more than 23 percent.第二章 机舱日常业务1. Please introduce one type of the main

9、engine. Slow speed two-stroke marine diesel engine.2. Please introduce fuel injection process of electronically controlled main engine. The fuel oil is pumped into “common rail” then injected into the cylinder by an electronic control unit.3. Please introduce dual fuel technology（双燃料技术）of main engin

10、e. It can burn fuel oil and Cargo Natural Gas.4. Why is the two-stroke engine widely used on board ship? Because a two-stroke engine can produce more power than a four-stroke engine of the same size.5. Why is the air exchanging quality of four-stroke engine more than of two-stroke engine? Because th

11、e time for air exchanging of the four-stroke engine is longer.6. Please introduce three moving parts of marine main engine. Piston, connecting rod and crankshaft.7. Whats the sequence（次序） of the four strokes? Suction, compression, expansion and exhaust8. Please introduce four fixing parts of marine

12、main engine. Bedplate, frame, cylinder block and cylinder cover9. What is called a working cycle of diesel engine? The operation between two injections is called a working cycle.10. What is the foundation（基础） of diesel engine? The bedplate.11. What are the function and feature（特性） of the tie rods? T

13、o secure the bedplate, frames and cylinder blocks together. The feature is long and good tensioning strength.12. What is the function of the governor? To regulate the speed of the engine.13. What is the feature of the governor? To ensure the remote and automatic control.保证遥控和自动控制14. What is used for

14、 connecting the piston rod and connecting rod?The crosshead.15 What is used for sealing between the crankcase and scavenging air box? The stuffing box .16. What are the two types of the cooling system? Fresh water/ closed cooling system and sea water/open cooling system.17. Whats the function of the

15、 head tank in the cooling water system? To release air, allow water expansion and make-up.18. Please introduce the open cooling system. The open cooling system is the sea water cooling system. There is some corrosion in it. / In the open cooling system, sea water is drawn from the sea to pass throug

16、h the individual coolers, and then discharged overboard.19. Please introduce the closed cooling system. The closed cooling system is the fresh water cooling system. There is little corrosion in it. 20. Please introduce the central cooling system. It has two separate fresh water circulation systems:

17、the high temperature system for cooling the main engine; the low temperature system for cooling high temperature fresh water and various coolers. / There is a large central cooler circulated by sea water. After passing through the cooler, fresh water is circulated through the engine and the individu

18、al coolers.21. Whats the advantage of the central cooling water system? With less equipment in contact with sea-water, the corrosion problems are much reduced in the central cooling system.22. How to control fuel oil viscosity of main engine? By regulating the temperature of fuel oil.23. Please intr

19、oduce two sub-systems（子系统） of the fuel oil system. The fuel supply system and the fuel injection system.24. Please explain out the function of the fuel oil viscosity regulator. To control oil viscosity.25. How does the fuel oil viscosity regulator work? To regulate the temperature of fuel oil by con

20、trolling the steam.26. Please tell at least three compositions（成分） of fuel oil. Carbon, hydrogen, sulphur.27. Please name at least three of the main factors to select a fuel oil. The cetane number, viscosity, water content and so on.28. What is the usual coolant in marine diesel engine? They are fre

21、sh water, sea water and lube oil.29. Why seawater is not used directly as a coolant in diesel engine? Because of its corrosive action.30. Whats the advantage of oil-cooling piston? Any leakage into crankcase would not cause corrosive problem.31. Whats the disadvantage of water-cooling piston? There

22、is a risk of water leaking into the lube oil system.32. Whats the function of the lubricating oil in main engine? Reducing friction, cooling and cleaning.33. How do you clean the lube oil filters? Dismantle the filter, clean it and then blow it with compressed air.34. When do you clean the fuel oil

23、filters? When the pressure drop is excessive. 35. Why must the cylinder oil have alkalinity? Because the cylinder oil has to neutralize acidic products.36. Whats the function of the cylinder oil? Lubrication, cooling, cleaning and sealing.37. How do you start the air compressor?Check lube oil and co

24、oling water first, then open the unloading valve, start the air compressor.38. What do you pay attention to when you stand by engine? Pay attention to the power supply, the preparations of the lube oil, fuel oil, cooling and starting systems./ Check various pressure and temperatures, warm up the eng

25、ine, turn the engine with turning gear and so on39. Do you know the reasons why the engine does not start on air? Yes. Starting air system hasnt been ready yet./Starting air pressure too low; stop valve on air line being closed and so on.40. What should you periodically（定期的） do for the air reservoir

26、? Drain water from the air reservoir.41. Whats the function of gas exchange in the diesel engine? To supply fresh air into and remove exhaust gases from the cylinders more effectively.42. Whats the function of supercharging in diesel engine? To increase the density of air charged into the cylinders.

27、43. How do you operate the main engine in cold weather? Warm up the main engine gradually.44. How do you heat the main engine? By circulating the cooling water which is heated to proper temperature.45. How do you change diesel oil into fuel oil? I will heat the fuel first and then open the fuel oil

28、valve, close the diesel oil valve.46. How do you change fuel oil into diesel oil? I will decrease the fuel oil temperature, open diesel oil valve and close the fuel oil valve.47. What is the function of the turning gear? To turn the engine48. How do you measure the clearance of the main bearings? We

29、 use lead wires or feeler(塞尺).49. How do you measure the crank deflection （拐档差）of the main engine? We use a crank deflection gauge. 50. Do you know why the diesel engine exhausts black smoke? Yes. Because the air supply is too low.51. Do you know why the diesel engine exhausts blue smoke? Yes. Becau

30、se lube oil is being burnt.52. Do you know why the diesel engine exhausts yellow smoke? Yes. Because of too much sulphur in the fuel oil.53. Do you know why the diesel engine exhausts white smoke? Yes. Because the fuel oil contains too much water or there is cooling water leakage.54. What is the fun

31、ction of the steering gear? To control the ships course（航向）.55. What does CPP stand for? Controllable Pitch Propeller.56. What does VIT stand for? Variable Injection Timing.57. Whats the type of the freshwater generator?（造水机）、 Vacuum boiling type(Distilled type/ Flashing type)58. Whats the type of t

32、he fuel oil separator? Centrifugal type.59. Whats the function of the fuel oil separator? To separate impurities and water from the fuel oil.60. Whats the type of the oily water separator? Gravity separation type.61. Whats the function of the oily water separator? To separate the oil from the oily water.62. Whats the functi