海事局海船船员适任证书全国统考试卷：35802 轮机英语

1、中华人民共和国海事局 2004年第3期海船船员适任证书全国统考试题(总第35期)科目：轮机英语 试卷代号：802适用对象：近洋航区750-3000KW船舶轮机长 （本试卷卷面总分100分，及格分为70分，考试时间为100分钟）答题说明：请选择一个最合适的答案，并将该答案按答题卡要求，在其相应位置上用2B铅笔涂黑。第1题至68题，每题1分，第69题至76题，每题1.5分,第77题至78题, 每题10分。一、单项选择题：1. The cross-head and crank pin bearings are secured to the _by means of fitted bolt. A. c

2、ross-head guides B. cross-head shoes C. piston rod D. connecting rod 2. _ are generally formed in the frame of the both in-line and Vee engines to give maintenance access to the crankshaft main and connecting rod large end bearing. A. Doors B. Aspirate gauzer C. Coupling D. Blind 3. _ are mounted on

3、 and bolted to the bed-plate cross girders. A. The crankshaft B. The crankcase C. The guide-ways D. The frames 4. About half an hour before the engine is required, cooling water at _ must be circulated in principle. A. more than the working temperature B. less than the working temperature C. the wor

4、king temperature D. the same as the surrounding temperature 5. The lubricating pipes and ducts should be blown out with _. A. the atmosphere B. the fresh water C. the compressed air D. the chemical compounds 6. The degree to which the viscosity of an oil will change with a change in temperature is i

5、ndicated by the _. A. weight designation B. viscosity index C. pour point D. thermal change value 7. _allows for expansion and water make up in the water cooling system. A. A top tank B. A head tank C. A head valve D. A drain tank 8. After the engine is warmed, we should _the turning gear before sta

6、rting up the engine. A. take in B. put in C. take out D. put up 9. _ is usually driven by the engine camshaft and supplies pilot air to the cylinder air start valve. A. An air receiver B. An operating valve C. An automatic valve D. An air distributor 10. Misalignment of an engine crankshaft can be d

7、etected by measuring_ of crank webs for each unit of the engine. A. diameters B. lengths C. deflections D. none of the above 11. A low speed engine requires _ reduction gearbox _it and propeller. A. none/both B. no/both C. none/between D. no/between 12. The two-stroke cycle begins with the piston co

8、ming up from the bottom of its stroke, with scavenge ports in the sides of the cylinder being _. A. shut B. closing C. opened D. closed 13. A diesel engine is operating at 1800 RPM and driving a propeller at 600 RPM. What is the speed reduction ratio? A. 0.30 to 1 B. 3.00 to 1 C. 3.33 to 1 D. 33.0 t

9、o 1 14. We can control the speed of the engine by _the quantity of oil supplied. A. exchanging B. regulating C. adjusting D. differing from 15. Wear in parts of exhaust valve operation gear will tend to _the tappet clearance. A. increase B. reduce C. rise D. reduction. 16. All of the diesel engine c

10、ylinder firing pressures are normal, yet all of the exhaust temperatures are low. Which of the following situations is responsible for this condition? A. Excessively early injection timing. B. Combustion knock. C. Leaking piston rings. D. Light load. 17. Concerning diesel propelled vessels, the aste

11、rn power is to provide for continuous operation astern _. A. equal to that available for ahead operation B. at 70 percent of the ahead rpm at rated speed C. while underway and under all normal conditions D. at 70 percent of the ahead rpm of average continuous sea speed 18. A large low speed main pro

12、pulsion diesel engine may become overloaded by _. I. a heavily fouled hull II. strong head winds and heavy seas A. I only B. II only C. both I and II D. neither I nor II 19. The gear and screw pumps are classified as _. A. variable stroke pumps B. multistage pumps C. positive displacement pumps D. t

13、riple-ported pumps 20. To operate a centrifugal fire pump at reduced capacity, you should_. A. readjust the relief valve B. throttle the suction line C. throttle the discharge valve D. open the priming line 21. Air reservoirs are designed, built and tested similarly to _. A. boiler drums B. hot well

14、s C. condensers D. evaporators 22. Water evaporates or steam condenses at the saturation temperature, which depends upon the pressure, the higher the pressure _the saturation temperature. A. the more B. the higher C. the lower D. the highest 23. Improper maintenance of an automatic auxiliary boiler

15、oil burner could result in _. A. fuel pump failure B. fan motor failure C. increased feed-water consumption D. decreased boiler efficiency 24. Prior to lighting off a cold automatically fired auxiliary boiler, you should _. A. check and regulate the water level B. close the air cock once fires are l

16、it C. blowdown the gage glass D. crack the steam stop to assure protective steam flow 25. For a purifier, changing to a gravity disc with larger hole diameter will move the interface towards the _. A. bowl periphery B. bowl center C. upper surface D. lower surface 26. In the event of a small bunker

17、oil spill on deck occurring while bunkering , you should _. A. wash down the area immediately with a fire hose B. wash down the area with kerosene C. cover the area with absorbent material D. cover the area with foam 27. Mordern centrifuge designs enable continuous over a considerable period of time

18、. This is achieved by_ which is timed to discharge the sludge at regular intervals. A. an injection process B. an ejection process C. a separation process D. a heating process 28. The trend nowadays is to build the frame box as a separate fabricated construction and then, after stress relieving and

19、machining the mating surfaces, to mount it on the _. This has the advantage of saving weight.A. seating B. bed-plate C. entablature D. cylinder block 29. In a bypass type lubrication system for a diesel engine, the dirty oil line to the centrifuge should be taken from the _. A. lube oil pump suction

20、 line B. lube oil pump discharge line C. bottom of the lube oil sump D. outlet from the lube oil header 30. In a general cargo crane, _is fitted to lift the cargo load. A. the slewing motor B. the luffing motor C. the hoisting motor D. none of the above 31. The structural members of the hull extendi

21、ng in a fore and aft direction are called _. A. frames B. joiners C. longitudinals D. knees 32. The hand steering is a method by which the motion of the rudder is controlled with _. A. a motor-driven steering wheel B. a pneumatic steering wheel C. a hand-driven steering wheel D. an electric steering

22、 wheel 33. With reference to a radial piston pump, which one of the following statements is false ? A. Surrounding the fixed shaft is a hollow shaft. B. This hollow shaft carries radial bores. C. Each bore is fitted with a well-lapped plunger. D. There are always even numbers of bores. 34. An AC syn

23、chronous transmission type remote steering control system consists of a _. A. transmitter at the steering station and a receiver at the steering engine B. reversible motor at the steering station geared to the steering pumps C. small induction motor on the bridge which controls the rudder through pu

24、lleys D. variable displacement hydraulic pump driven by a reversible DC motor 35. The compressed air is supplied by _to the air reservoirs. A. compressors B. forced fans C. ventilators D. generators 36. Two air compressors are provided for the starting air system and should be capable of _. A. charg

25、ing the starting air containers within one hour B. providing the minimum quantity of starting air at all times C. supplying all the air necessary to start both the main engine and an auxiliary at the same time D. topping off all receivers at the required design pressures 37. If the capacity of the r

26、efrigeration compressor is too small the excess vapor will accumulate in the evaporator, causing the pressure to_. A. rise B. fall C. be maintained constant D. None of the above is true38. A dirty intercooler on an air compressor will cause _. A. damage to the un-loader operating diaphragm B. an inc

27、rease in current flow to the motor C. high pressure in the receiver and filter D. an excessive consumption of crankcase oil 39. A knocking sound emitted from an unloaded air compressor is probably caused by _. A. damaged intake valves B. excessively tight mounting bolts C. insufficient cylinder lubr

28、ication D. a loose piston 40. Which of the following factors will have the greatest effect on the heating load within a conditioned space? A. Solar gain B. Infiltration and ventilation air C. Occupants inside the space D. Entertainment equipment within the space 41. A fire is considered under contro

29、l when _. A. all hands are at their fire stations B. all fire-fighting equipment is at the scene C. the fixed systems are activated D. the fire is contained and no longer spreading 42. In order to find out which lifeboat you are assigned, you should look at the _. A. fire control plan B. certificate

30、 of inspection C. muster list D. ships articles 43. Current changing in direction and rising and falling in value is _. A. A.C B. D.C. C. generator D. fresh water generator 44. Prior to starting an AC generator prime mover, the voltage regulator cutout switch should be placed in the_. A. manual posi

31、tion B. bus neutral position C. raise voltage position D. transfer position 45. Any electric motor can be constructed to be _. A. short proof B. ground proof C. explosion proof D. overload proof 46. Universal motors will operate on AC or DC current, and are generally found in _. A. portable tools B.

32、 large pump motors C. turbo electric main motors D. forced draft fans 47. Which of the listed devices is used to measure pressure and convert it to an electrical signal? A. Transducer B. Reducer C. Transformer D. Rectifier 48. The viscosity regulator controls the fuel oil temperature _provide oil at

33、 the correct viscosity for combustion. A. in order that B. because of C. in order to D. owing to 49. An ohmmeter can be used to measure _. A. current flow in a circuit B. voltage between two points in a circuit C. circuit continuity D. power 50. A circuit breaker and a fuse have a basic similarity i

34、n that they both _. A. can be reset to energize the circuit B. should open the circuit when overloaded C. will burn out when an over current flow develops D. all of the above 51. Electrical circuits are protected against overheating by means of a/an _. A. circuit breaker B. amplifier C. diode D. cap

35、acitor 52. Electrically operated safety devices on auxiliary diesel engines function to stop the engine by _. A. increasing the volume of intake air B. shutting off the fuel supply C. increasing the engine back pressure D. over-speeding the engine 53. The Company should establish in the SMS that _ha

36、s the overriding authority and the responsibility to make decisions with respect to safety and pollution prevention. A. the master B. the chief engineer C. the officer on duty D. the engineer in charge of watch 54. When deciding the composition of the engineering watch, which may include _ appropria

37、tely, many factors shall be taken into account. A. satisfied engineers B. qualified ratings C. satisfied chief engineer D. qualified chief engineer 55. After the order “_”is given, the air system is shut down, the turning gear put in, all drains and indicator cocks opened, and the cooling water and

38、lubricating oil systems kept running. A. Stand-by Engine B. Stop Engine C. Finished With Engine D. Dead Slow Ahead 56. The order “Bow thrust stop” means “_”. A. Bow thrust full to port B. Bow thrust full to starboard C. No bow thrust revolutions D. No stern thrust revolutions 57. The Port State Cont

39、rol officer may witness a fire drill carried out by the crew assigned to these duties on the _. A. Navigation Log Book B. Engine Room Log Book C. Oil Record Book D. Master List 58. While loading bulk oil, you notice oil on the water near the barge. Which of the following actions should you carry out

40、 FIRST? A. Search the vessel for leaks B. Notify terminal superintendent C. Stop loading D. Notify the Coast Guard 59. When off loading garbage to another ship, your records must identify that ship by name and _. A. home port B. operators name of record C. official number D. masters name 60. The con

41、ventions under which the port state control inspection is carried out include all the following except _. A. SOLAS 74 B. MARPOL 73/78 C. STCW 78/95 D. ISM Code 61. The most important characteristic of a fire extinguishing agent to be used on electrical fires is for the agent to be _. A. non-conducti

42、ng B. flame resistant C. easily removable D. wet 62. To maintain the down stream pressure within defined limits over a range of flow and despite any changes in supply pressure, _is fitted. A. a check valve B. a gate valve C. a pressure reducing valve D. a quick closing valve 63. In cleaning up an oi

43、l spill, the use of chemical agents would _. A. absorb the oil for easy removal B. remove the oil from the water C. disperse or dissolve the oil in the water D. not affect the oil 64. The fire of electrical equipment is classified as _fire. A. Class A B. Class B C. Class C D. Class D 65. You are tra

44、nsferring fuel from the storage tanks to the day tanks by means of an electric fuel oil transfer pump. If the pump motor catches fire, you would FIRST _. A. secure the fuel manifold B. shut off power to the pump C. shut off the power ventilation D. spray water on the fire 66. Before starting a diese

45、l engine that has an engine driven lube oil pump, the engineer should _. A. open the bypass line B. cut in the lube oil cooler C. pressurize the lube oil system D. top off the expansion tank 67. Administrations should bear in mind the significance of_ in maintaining safety of life and property at se

46、a and in preventing marine pollution. A. advanced nautical equipment B. advanced performance main engines C. emergency equipment D. communication and language skills 68. The maximum Blood Alcohol Concentration (BAC) rate on board shall not be more than _ by weight any time when being tested. But wat

47、ch-keepers are not allowed to drink any alcoholic beverage _before their watch. A. 0.08%/ 4 hours B. 0.08%/ 2 hours C. 0.04%/ 4 hours D. 0.04%/ 2 hours 二、关联题（每组关联题题干下有4个小题，每小题4个选项）第一组： The CO 2 fire extinguishing installation may incorporate a smoke sampling system so that fire can be detected in th

48、e early stage at the smoke detecting cabinet, which is situated in the wheelhouse. Each cargo compartment is individually connected to the smoke detecting cabinet with small bore piping and, by a suction fan mounted on the wheelhouse roof, samples of the air in each cargo space are continually drawn

49、 up to the smoke detecting cabinet and discharged into the wheelhouse or the atmosphere through a diverting valve. Thus smoke from a fire in any cargo space can be immediately detected. 69. The CO 2 fire extinguishing system may combine with to detect fire in the early stage of fire development. A.

50、a smoke detecting system B. a wheelhouse C. a cargo compartment D. a crews cabin 70. The function of the smoke sampling system is . A. to analyze smoke components B. to detect fire in the early stage C. to prevent the wheelhouse from catching a fire D. to ventilate each cargo compartment 71. Accordi

51、ng to this paragraph, which of the following statements is true? A. The smoke sampling system consists of the CO 2 fire extinguishing installation and smoke detecting cabinet. B. The smoke detecting cabinet is located on the wheelhouse roof. C. The suction fan draws samples of the air from cargo spaces. D. Samples of the air flow into the detecting cabinet at regular intervals. 72. Which of the following devices does the smoke sampling system consist of? fire extinguishing installation 、 smoke detecting chamber 、 wheelhouse 、 cargo compartment 、 suction fan 、 diverting valveA. + B. + C. +