海事局海船船员适任证书全国统考试卷：38801

1、中华人民共和国海事局2005年第3期海船船员适任证书全国统考试题(总第38期) 科目：轮机英语 试卷代号：801适用对象：无限、近洋航区3000KW及以上船舶轮机长 （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15分,第77题至78题, 每题10分。一、单项选择题：1. _of the A-frames there is a strong cast iron frame called the scavenging air box. A. A

2、t the top B. At the bottom C. In the top D. In the bottom 2. working with which of the following types of diesel engine arrangements is a waste heat boiler most likely to produce the maximum steam pressure, temperature, and flow conditions? A. Supercharged, four-stroke/cycle diesel engine. B. Superc

3、harged, loop scavenged diesel engine. C. Turbocharged, crossflow scavenged diesel engine. D. Turbocharged, return flow diesel engine. 3. The auxiliary engine and the a.c. generator can be connected with the_. A. cam B. crosshead C. bulge D. coupling 4. A: Please tell me the specification and quantit

4、y. B: _.A. Pump diesel oil first B. 300 tons of 180 cSt fuel oil C. The figure is all right D. OK, Ill sign it 5. The lube oil to lubricate the surfaces of the cylinder liners is spread over by the _. A. sliding piston rings B. engines camshaft C. small pumps D. forced feed system 6. A lube oil filt

5、er can be used to remove most contaminants from lube oil. A contaminant which will remain in the lube oil after filtering is _.A. abravise B. fuel oil C. sediment D. impurities 7. _provide the water to the pistons. A. Pneumatic pipes B. Hydraulic pipes C. Telescopic pipes D. Operating gas pipes 8. A

6、 high temperature alarm or _which will melt is used to guard against the explosion of compressor air pipelines. A. a flame trap B. a relief valve C. a fusible plug D. a bursting cap 9. The difference between a supercharged engine and an un-supercharged engine is that _ operates at an increased press

7、ure. A. the later B. the latter C. the former D. the farmer 10. Engage the flywheel with the _. A. turning gear B. motor C. driving gear D. driven gear 11. Propeller pitch speed minus ship speed divided by the propeller pitch speed is termed _.A. apparent slip B. true slip C. pitch D. propulsive eff

8、iciency 12. The timing of the injection can be altered by raising or lowering the pump _ in relation to the cam. A. needle valve B. cylinder C. piston D. arm rod 13. The process of loop scavenge is that the exhaust will be via ports_the air ports and controlled by the same piston. A. behind B. far f

9、rom C. adjacent to D. in front of 14. When the follower is on the base circle of the cam with a normal shape, the pump plunger is at the _of its stroke. A. top B. nip C. bottom D. middle 15. A reduction in load on a diesel engine results in _of speed of the crankshaft. A. a reduction B. an increase

10、C. an outing D. a downwards 16. All of the diesel engine cylinder 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. Lig

11、ht load. 17. _, the following possible causes should be investigated. A. Should the engine stop without apparent reason B. The engine should stop without apparent reason C. The engine stops without apparent reason D. The engine is stopped without apparent reason 18. A large low speed main propulsion

12、 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 control mode in which the final control element is moved from one of two fixed positions to the other is known as _.A. dead band a

13、ction B. neutral zone action C. range D. on-off action 20. Air leakage between the shaft and stuffing box packing in a centrifugal pump is prevented by _.A. a compressed packing gland B. lantern rings between the packing rings C. a liquid seal D. the stuffing box gland 21. Strainers, sometimes calle

14、d_, are devices designed to prevent the passage of unwanted solids into or further along a system. A. dampers B. filters C. stopper circuits D. separators 22. Waterside scale in a fire-tube boiler may cause _.A. increased heat transfer B. fireside erosion C. high steam demand D. overheated tubes 23.

15、 Excessive alkalinity of the water in an auxiliary boiler can cause _. A. caustic embrittlement of the boiler metal B. acidic corrosion of the boiler metal C. hard scale deposits on the boiler tubes D. etching of the heat exchange surfaces 24. When an auxiliary boiler is panting and emitting black s

16、moke, you should _. A. increase the fuel oil temperature. B. decrease the fuel oil temperature. C. decrease the fuel oil supply pressure. D. increase the air supply. 25. There is a _in the bilge system. A. booster pump B. evaporator C. bilge pump D. cooler 26. Strainers and fine filters should be cl

17、eaned at intervals, _ prevent dirt from getting under a fuel injection pump valve. A. in order that B. so as to C. so that D. in addition to 27. The oil sludge is burnt in the _nboard. Ill show you the ashes. A. boiler B. main engine C. auxiliary engine D. incinerator 28. A shipboard oil pollution e

18、mergency plan is required on _.A. all vessels, regardless of size and commercial application B. any barge or other ship which is constructed or operated in such a manner that no oil in any form can be carried aboard C. an oil tanker of 150 gross tons or above, or other ship of 400 gross tons or abov

19、e D. an oil tanker of 400 gross tons and above, or other ships of 150 gross tons and above 29. According to the international regulations concerning the prevention of pollution of sea areas from ships, the disposal into the sea of all plastics is _. A. welcome B. admitted in some special sea areas C

20、. prohibited D. acceptable 30. In the hydraulic system, _ is the actuator. A. oil pump B. control valve C. hydraulic motor D. fittings 31. The usual number of single-acting pistons used in a variable stroke axial-piston pump is _. A. 3 or 5 B. 5 or 7 C. 7 or 9 D. 9 or 11 32. The hand steering is a m

21、ethod 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 wheel 33. The control rod of a steering gear pump is attached at its outer end to _. A. the hunting gear B. the rudder

22、stock C. the rudder controller D. the feedback unit 34. The main steering gear must be able to steer the ship at maximum ahead service speed and be capable at this speed, and at the ships deepest service draught, of putting the rudder from 35 degrees on one side to 30 degrees on the other side withi

23、n no _. A. more than 28 seconds B. more than 60 seconds C. less than 28 seconds D. less than 60 seconds 35. If an air compressor is used to supply compressed air to outlets throughout the engine room and on deck of a vessel, the system is known as the _. A. combustion control air system B. supply ai

24、r system C. ships service air system D. inertia gas system 36. In which of the areas listed would you expect to find the highest salt concentration in a flash evaporator? A. Distiller air ejector cooling medium B. Saltwater heater discharge C. First-stage internal feed box D. Second-stage internal f

25、eed box 37. The primary task of the compressed air system is to deliver the starting air necessary for _. A. starting the M.E. B. starting the emergency electric alternator C. driving the main turbine D. driving the turbocharger 38. What preventative maintenance should be done frequently to diesel e

26、ngine starting air receivers? A. Drain the accumulated moisture. B. Test the relief valves. C. Watch the temperature to prevent fluctuations in pressure. D. Clean the interior to remove oil and foreign matter. 39. Which of the listed characteristics can be applied to R-12 vapor? A. It is corrosive.

27、B. It is odorless. C. It is visible as a blue fog. D. It has a distinctive taste. 40. Which of the statements listed concerning heat transfer is correct? A. Heat is always transferred at a constant rate. B. Heat transfer rate increases as temperature difference increases. C. The rate of heat transfe

28、r is not affected by temperature difference. D. The high temperature region is known as a heat sink. 41. In the refrigeration system, a shortage of refrigerant is indicated by _. A. the compressor short cycling on high pressure cut out switch B. high suction pressure C. high head pressure D. bubbles

29、 in the sight glass 42. The dew point of air is reached when the wet bulb temperature is_. A. twice the dry bulb temperature B. 10 above the dry bulb temperature C. 5 above the dry bulb temperature D. equal to the dry bulb temperature 43. An emergency bilge pumping system is provided and should be _

30、 of the main bilge pumping system, according to the SOLAS 74 Convention. A. dependent B. independent C. in series D. in parallel 44. Oil Mist detectors used on large low-speed main propulsion diesel engines monitor and check for the presence of _. A. fuel oil vapor at the sludge tank vent B. unburne

31、d fuel vapors in the scavenge air receiver C. lube oil vapors in the crank case D. lube oil vapors in the engine room 45. The operation of paralleling two alternators requires the voltages to be _and also in phase. A. zero B. eliminated C. different D. equal 46. A constant output voltage from an AC

32、generator is maintained by the _. A. prime mover governor B. exciter generator C. voltage regulator D. reverse power relay 47. Moisture in a D.C. motor would cause _. A. short circuit B. speed up C. slow down D. hunting 48. Which of the following should be the FIRST step in removing a generator from

33、 parallel operation? A. Trip the generator off the switchboard. B. Turn off all electrical equipment. C. Remove the load from the off going generator. D. Increase the cycles of the generator staying on the line. 49. _control system is one in which the control action is independent of the output. A.

34、Feedback B. Negative feedback C. Close loop D. Open loop 50. “ gauge pressure ” means _. A. vacuum B. the excess of pressure above atmosphere C. figure on a gauge D. any of the above 51. An operational amplifier, as used in todays consoles, has a calculated gain of 5. This means that when the input

35、changes _. A. 5 volts, the output changes 10 volts B. 10 volts, the output changes 5 volts C. 2 volts, the output changes 10 volts D. 10 volts, the output changes 2 volts 52. The domestic water pump is started automatically by _ which operates as the water level falls to a predetermined level. A. a

36、level controller B. a temperature switch C. a floating ball D. a pressure switch 53. Diesel engine automated control systems may utilize sensing devices of dual function, with sensing ranges providing both alarm and engine shut down capability. Which of the key points listed would only require an al

37、arm sensor? A. Lube oil pressure and temperature. B. Jacket water pressure and temperature. C. Engine over-speed. D. Lube oil sump level. 54. Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the _.A. wheelhouse control station B. engine room co

38、ntrol station C. captains office D. chief engineers office 55. _shall be continuously powered and shall have an automatic changeover to a stand by power supply in case of loss of normal power supply . A. Cooling system B. Alarm system C. The air conditioning installation D. The mooring equipment 56.

39、 Ambient temperature is the _. A. amount of temperature rise with no load B. temperature of the compartment where the motor is located C. normal operating temperature, less the room temperature D. amount of temperature developed by an operating moto 57. The additional mark _in the Classification Cer

40、tificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically. A. BRC B. MCC C. AUT-0 D. AUT-1 58. At an unsheltered anchorage the chief engineer officer shall consult with _whether or n

41、ot to maintain an underway watch. A. the engineer officer in charge of watch B. the deck officer in charge of watch C. the master D. the chief mate 59. After he _the test, the engineer put down the results. A. has finished B. finishes C. had finished D. would finish 60. A moving object will not acce

42、lerate or decelerate _a force is applied to it. A. whether B. if C. unless D. till 61. All members of the engineering watch shall be familiar with assigned watch-keeping duties. In addition, every member shall, with respect to the ship they are serving in, have knowledge of _. I. the use of appropri

43、ate internal communication systems.II. the use of GMDSS.III. the escape routes from machinery spaces.IV. the number location and types of fire-fighting equipment in the machinery spaces. A. I+III+IV B. II+III+IV C. III+IV D. I+II+III+IV 62. This machine _out of order, but now it works well. A. is us

44、ed to be B. was used to be C. used to be D. was used to 63. 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 64. Seawater may be used for drinking water _.A. at a maximum rate of two ounces per

45、 day B. after mixing with an equal quantity of fresh water C. if gather during or immediately after a hard rain D. under no circumstance 65. Your vessel has run aground and upon taking fuel oil tank soundings. you find that a fuel tank level has increased. You therefore should suspect _.A. condensat

46、ion in the fuel tank B. a crack in the hull portion of the fuel tank C. a load of bad fuel D. contamination from the saltwater flushing system 66. Which of the actions listed should be taken by the engineer on watch when the general alarm is sounded continuously for 10 seconds? A. Engine room ventil

47、ation should be started. B. Main engines should be secured. C. The fire pump should be started. D. The fixed CO2 system should be activated. 67. The company should establish procedures to ensure that the ship is maintained_ the provisions of the relevant rules and regulations. A. out of accordance w

48、ith B. in relation to C. in conformity with D. in connection with 68. The main objective of the SOLAS Convention is to specify _ for the construction, equipment and operation of ships, compatible their safety. A. at most references B. at least references C. maximum standards D. minimum standards 二、关

49、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： Beck Smith, a PSCO from Port Hamburger, is carrying out an inspection in the machinery space of M/V SUN. Here is a dialogue between the PSCO and the Chief engineer. PSCO: Chief engineer, your escape route marked in arrows at stairs, or corridors to emergency exit should

50、 be clearly sighted in dark. These marks should be smeared in fluorescence in order to evacuate when lighting is cut off. Chief Engineer: OK, I will rectify this as quickly as possible. PSCO: One more, your pumping line may slightly leak oil Chief Engineer: No. Our pumping line has no trouble at all

51、. PSCO: Trust me. I have served Chief Engineer for many years. There is somewhere leaking oil. Chief Engineer: How do you know? PSCO: Oil tank bottom is very clean but with oily brightness. Significantly, you prepared for PSC inspection for quite a long time. As leaking oil, you cleaned second time

52、just now. Chief Engineer: You are very smart! Yes, one small place leaked oil and I planned to fix it after PSC inspection because time is limited. PSCO: Let me check the leaking oil place and assist you to find out a solution. Chief Engineer: Thanks. PSCO: According to your record, you have used oily water separator to handle oily water. I found your inlet valve of the machine is dry and rusty. I suspected that your record is untrue. Where is y