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：605
适用对象：沿海航区3000KW及以上船舶二/三管轮
（本试卷卷面总分100分，及格分为70分，考试时间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74题，每题1分，第75题至78题，每题1.5分，第79题至80题每题10分。
一．单项选择题
1. Which one is not fixed on the cylinder cover of a four-stoke diesel engine?
A. indicator cock B. fuel valve C. main bearing D. safety valve 2. Which is one of the main moving parts of the marine diesel engine?
A. B.
C. D.
3. The crankcase is closed fore and aft by two vertical plates with circular inspection holes
provided with ______, on which relief valves are mounted．
A. guide ways B. inspection doors C. brackets D. main bearings
4. ______ is used for cylinder and cylinder head , the salt water is used for cooling the lubricating
oil ,the fresh water in the coolers and the charging air in the air cooler.
A. The fuel oil B. The lube oil C. The sea water D. The fresh water
5. ______ of the A-frames there is a strong cast iron frame called the scavenging air box.
A. At the top B. At the bottom C. In the top D. In the bottom
6. The function of a lubricating oil is ______to lubricate the running surface ______to carry away
a great deal of heat.
A. not/but B. neither/nor C. either/or D. not only/but also 7. Charging is the filling of the engine cylinder with a supply of ______for compression.
A. water B. fresh air C. fuel oil D. gas
8. Diesel engines are started by supplying ______ into the cylinders in the appropriate sequence
for the required direction.
A. cooling water B. compressing air C. compressed air D. cylinder oil 9. For an ordinary four-stroke diesel engine the exhaust valves close ______.
A. after TDC B. before TDC C. after BDC D. before BDC 10. The rotating range of the low speed diesel engine is usually lower than ______．
A. 100 rpm B. 200 rpm C. 300 rpm D. 500 rpm 11. The governor of a generator engine is to______．
A. make the engine stop B. regulate the timing of camshafts
C. make the rpm stabilize at any required value D. make the engine run at nearly constant speed
12. An overspeed safety device is usually fitted to a generator engine for ______in the event of
overspeed．
A. cutting off the engine B. increasing the fuel pump setting C. braking the crankshaft D. stabilizing the ship speed 13. The gear and screw pumps are classified as ______.
A. variable stroke pumps B. multistage pumps C. positive displacement pumps D. triple-ported pumps
14. Throttling in the ______line of a centrifugal pump involves the risk of the pump cavitation.
A. suction B. exhaust C. pressure D. discharge 15. The amount of fluid delivered by a screw pump can be regulated by______.
A. throttling the pressure line B. changing the speed of the rotor C. either A or B D. None of the above is true 16. A simple pumping system consists of a suction branch, a pump and______.
A. a priming device B. a discharge branch C. a filter D. a suction valve 17. 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 18. A gate valve installed in a pipeline should be ______.
A. used in either the fully closed or fully opened position
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B. installed with the stem down C. used for steam service only
D. used to throttle or regulate the flow of liquid 19. A donkey boiler is ______.
A. one to supply steam to the main propulsion turbine B. an auxiliary boiler C. A and B D. neither A nor B 20. The internal part of boiler should be welded by yard if found ______.
A. scaled B. cracked C. shape changed D. deformed 21. The donkey boiler may be given a bottom blow ______.
A. to raise water level B. only while making steam C. to remove scum D. when fire are secured
22. Which of the following operations need NOT to be entered on the Oil Record Book Part I ?
I．Disposal of oil residues． II．Internal transfer of fuel oil.
A. I only B. II only C. both I and II D. neither I nor II
23. The ______of the gravity disc is too big. It cause oil to flow through the water outlet. We
changed the disc and no oil is found in the water outlet.
A. gravity B. diameter C. circumference D. cylinder 24. The ______is used to treat bilge water.
A. oil centrifuge B. oily water separator C. incinerator D. distiller 25. A high rate of separation between oil and water is favored by ___．
A. large size of oil globule B. low temperature C. high viscosity D. high flow rate 26. Oil Record Book Part I shall be provided to ______.
A. every oil tanker B. every ship of 400 tons gross tonnage and above C. A and B D. neither A nor B
27. External and internal leakage in hydraulic systems may be caused by ______.
A. unusual vibration B. excessive worn parts C. abnormal pressure D. any of the above 28. If the temperature rises, the oil will become thinner, the amount that leaks out ______and the
systems unable to build up the pressure required．
A. increasing B. decreases C. decreasing D. increases
29. If a heavy sea strikes the rudder, the shock is transmitted through the tiller to ______.
A. the tiller arms B. the swivel blocks C. hunting gears D. the rams
30. The designed capacity is 25 tons a day, but the fresh water generator can only ______22 tons at
present.
A. consume B. distill C. run D. operate
31. ______ is the production of pure water from sea water by evaporation and re-condensing.
A. Evaporation B. Circulation C. Condensation D. Distillation 32. Compressed air is used on board ship ______.
A. for starting diesel engines B. in pneumatic control system C. in pneumatic tools D. All the above are true. 33. The fresh air is compressed and then stored in ______.
A. scavenging air receiver B. starting air bottle C. stuffing box D. charging air receiver 34. In the refrigeration compressor the temperature of the vapor is ______by compression.
A. raised B. risen C. reduced D. maintained constant
35. Both the temperature and the pressure of the refrigerant are increased in the______.
A. compressor B. condenser C. evaporator D. expansion valve
36. If liquid refrigerant accidentally comes in contact with the eyes, ______immediately.
A. rub the eyes B. irritate the eyes C. wash the eyes with a heavy boric acid solution D. obtain medical help
37. ______ is used for sensing the temperature of the room in the air condition system.
A. An expansion valve B. An evaporator C. A thermostat D. A condenser 38. Ammeter is to measure the ______.
A. current B. voltage C. power D. frequency
39. With a purely resistance load the voltage and current are in phase, giving a power factor of ____.
A. one B. less than one C. more than one D. negative one
40. Prior to any overhaul work on electric equipment, it is important to ensure the circuits are _____.
A. live B. dead C. excited D. on line 41. Current measuring instruments must always be connected in ______.
A. series with a circuit B. parallel with a circuit C. series-parallel with a circuit D. delta with the shunt 42. In a modern three-phase A．C． synchronous brushes generator, the excitation winding is on the
rotor．That means______．
A. the generator need not excitation
B. the winding on the rotor is for inputting excitation current C. there are three phase windings on the rotor D. the generator has brushes
43. Thermocouples can be used over a range of temperature from -250℃ to +650℃ and are
commonly found in ______．
A. cooling water temperature measurement B. lube oil temperature measurement C. ice room temperature measurement D. exhaust gas temperature measurement 44. Temperature control valves installed in the jacket cooling water system of a diesel engine,
modulates the rate of water flow through the ______.
A. cooling water pump B. nozzle cooling passages C. cylinder jackets D. heat exchanger
45. In order to accurately measure very low pressures, which of the instruments listed should be
used?
A. Compound gage B. Bourdon tube C. Manometer D. Deadweight gage
46. Which of the motors for the devices listed below is fitted with an instantaneous overload relay?
A. Fan B. Pump C. Winch D. Machine tool 47. The difference between measured and desired values is called ______.
A. make-up B. desired value C. deviation D. set value
48. The development of the high automation in marine engineering ______to use the unmanned
machinery space on board the ship．
A. makes possible B. makes possible it C. makes it possible D. makes that is possible 49. Oil mist detectors are usually used on board to detect oil mist density within ______.
A. the engine crankcase B. the engine scavenge boxes C. drain tanks D. fuel tanks 50. In order to inspect both piston and cylinder wall thoroughly, the cylinder cover should be taken
off and the piston should be ______.
A. craned out B. rolled out C. lifted out D. turned out 51. Measure ______by means of lead wire.
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A. the clearance of the main bearing B. the play of the roller bearing C. the gap of the main bearing D. the tolerance of the main bearing 52. Persistent knocking in one cylinder of a diesel engine could be caused by ______.
A. a low load on that cylinder B. sluggish piston ring action
C. excessive piston crown cooling D. excessive clearance of piston pin 53. Poor combustion in a diesel engine can be caused by ______.
A. high compression pressure B. low intake air temperature C. low exhaust pressure D. high scavenge air temperature
54. The conclusion that mechanical efficiency is always ______100 per cent is correct.
A. small than B. more than C. little than D. less than
55. The correct tightening is obtained by use of ______to measure the extension given to the bolts.
A. pressure gauges B. stretch gauges C. thermometers D. bridge gauges 56. During repair, lubrication lines and orifices must be ______.
A. taken away B. engaged C. connected D. sealed off 57. Fix the fuel injector into ______after repair.
A. the cylinder liner B. the cylinder cover C. the cylinder jacket D. the piston 58. Lower suction pressure of a pump may be caused by ______.
A. too much air in the pipe line B. closed inlet valve C. empty tank D. leaky pipe 59. A centrifugal pump can?t supply water after starting. You should check ______.
A. priming water B. power supply C. packing gland D. bearing lubrication 60. When start a screw pump, the by pass valve should be ______.
A. closed B. opened fully C. cracked open D. partly open 61. A water pump can not supply water after starting. It may be caused by ______.
A. closed discharge valve B. broken pipe line C. worn shaft D. both A and B 62. Tools with ______handles should be used to check electric circuit.
A. plastic B. metal C. stainless steel D. copper 63. Before doing maintenance on electrical equipment, you should ______.
A. turn off power first B. turn on power first C. with a test pen in hand D. tell C/E 64. The ______is used to measure frequency.
A. ammeter B. voltmeter C. wattmeter D. frequency meter 65. We ?d better______ economic speed ______fuel consumption.
A. take/save B. to take/save C. take/to save D. to take/to save 66. The distance between the bottom of the hull and the waterline is called______.
A. tonnage B. reserve buoyancy C. draft D. freeboard 67. CO 2 extinguishes a fire by______.
A. a blanket of bubbles formed on the surface of the fire B. smothering
C. cooling D. isolating the heat from the fuel 68. Duty officer informs us that the vessel is out of harbor and in “Full Ahead”.We are going to
run______.
A. diesel oil instead of fuel oil B. fuel oil instead of diesel oil C. diesel oil instead fuel oil D. fuel oil instead diesel oil 69. In cleaning up an oil 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
70. Before you begin administering artificial respiration , you should be sure the victim______.
A. is comfortable B. is warm C. is not bleeding D. has a clear airway 71. The main causes of fire on board ships are ______.
A. oil leakage in engine-room B. hot work (welding, cutting, etc. ) C. static electricity D. all of the above 72. A fire in an electrical generator is considered to be______.
A. Class ? A ? B. Class ? B' C. Class ? C ? D. Class ? D ?
73. The Port Authorities, in accordance with the IMO resolutions have been carrying out ______to
enhance safety of ships．
A. CPP B. FPP C. PSC D. FSC
74. A certificate， called a(an) ______, should be issued to a ship by the Administration.
A. ISM B. DOC C. SMC D. PSC 二、关联题（每组关联题题干下有4个小题，每小题4个选项）
The heating medium may be live steam or preferably and more commonly, exhaust or bled steam or again, in motor ships , hot fresh water, taken from the cooling main between the engine and the f.w. coolers. The distilling unit may be circulated by salt water or, depending upon the heat recovery attainable in the boiler feed system, by main or auxiliary condensate. Sub-atmospheric pressure is produced in the units by water-operated air ejectors; the brine density in the evaporating section is maintained at 0.062g/ml. 75. Which of the following heating mediums is not mentioned ?
A. live steam B. exhaust gas C. bled steam D. cooling water for main engine 76. The underlined sentence “ the distilling unit may …” means that ______.
A. the vapour is cooled by salt water
B. the salt water vapourizes in the distilling unit C. the salt water is feed water D. the salt water is condensate
77. The phrase “sub-atmospheric pressure” probably means ______.
A. the primary air B. the secondary air C. vacuum pressure D. absolute pressure 78. Which of the following materials is not mentioned to make the evaporator-distiller shell?
A. cupro-nickel B. non-corrodible material C. mild steel D. aluminum brass
三．中译英（共2题，请将答案写在答题纸上）： 79．海水泵；轴承。
80．进气阀；空气冷却器。
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海事局海船船员适任证书全国统考试卷：35605 轮机英语
