海事局海船船員適任證書(shū)全國(guó)統(tǒng)考試卷：42806

1、中華人民共和國(guó)海事局2007年第1期海船船員適任證書(shū)全國(guó)統(tǒng)考試題(總第42期) 科目：輪機(jī)英語(yǔ) 試卷代號(hào)：806適用對(duì)象：近洋航區(qū)750-3000KW及以上船舶二/三管輪（本試卷卷面總分100分，及格分為70分，考試時(shí)間為100分鐘）答題說(shuō)明：請(qǐng)選擇一個(gè)最合適的答案，并將該答案按答題卡要求，在其相應(yīng)位置上用2B鉛筆涂黑。第1題至74題，每題1分，第75題至78題，每題1.5分,第79題至80題, 每題10分。一、 單項(xiàng)選擇題1. Always ensure that the turning gear is_, even at the quay, the wave from other ship

2、s may turn the propeller and thus the engine. A. disengaged B. engaged C. assembled D. disassembled2. The main factor which determines the output of each cylinder is _. A. the cylinder weight B. the cylinder bore C. the cylinder length D. the cylinder cover3. The cetane number of a diesel fuel oil i

3、ndicates its _.A. ignition quality B. acid contentC. heating value D. viscosity4. The cylinder oil is pumped into the cylinder (via non-return valves) when the piston rings pass the lubricating orifices, during _. A. the upward stroke B. the downward strokeC. the power stroke D. the suction stroke5.

4、 The lower section of a piston is called the _.A. land B. crown C. skirt D. plate 6. Constant cooling the various components of diesel engine has a number of functions except for _. A. good lubrication B. low thermal stress C. good mechanical properties D. acid corrosion 7. A governor automatically

5、controls engine speed by regulating _ . A. fuel supply B. firing order C. engine load D. oil level 8. A dirty diesel engine oil filter element can best be detected by _.A. visual inspection of the elements B. the pressure drop across the filterC. high lube oil sump temperature D. decrease in oil vis

6、cosity from the filter 9. Immediately after any diesel engine is started, the engineer should check the _. A. crankcase pressure B. lube oil pressure C. saltwater pressure D. exhaust temperature 10. A controllable pitch propeller on a diesel driven vessel eliminates the need for _. A. friction clutc

7、hes B. disconnect clutches C. reversing gears D. reduction gears 11. In a _boiler the hot gases from the furnace pass through the tubes while the water is on the outside. A. water-tube B. fire-tube C. exhaust gas D. Composite 12. The fuel oil supply system to an automatic auxiliary boiler, will auto

8、matically shutdown if the boiler _. A. steam demand is high B. salinity is high C. safety valve simmers(爆發(fā)) D. burner flame is extinguished 13. The maximum pressure developed by a waste heat boiler is determined by the main engine exhaust _.A. gas composition B. gas temperature C. pressure D. timing

9、14. _continuously extract the crankcase atmosphere, via a pipe system, and move it past a sensitive and accurate opacity(不透明性) measuring track. A. The oil mist detectors B. The smoke detectors C. An oily water monitor D. Oil discharge monitoring and controlling system 15. If the feed pump for an aux

10、iliary boiler fails to deliver the feed water to the boiler, the cause may be _. A. high steam pressure in the boiler B. abnormally high feed-water temperature C. abnormally high boiler water temperature D. steam demand exceeding feed pump capacity 16. The discharge flow of a reciprocating pump is _

11、.A. steady B. in pulsation C. continuous D. large 17. A spur gear pump should be operated with the discharge valves _. A. slightly opened B. throttled C. fully opened D. halfway opened 18. The pressure of a liquid leaving the pump can be referred to as the _.A. total head B. discharge headC. net pos

12、itive suction head D. suction head 19. An increase in rotor clearances in a rotary pump will _. A. increase discharge pressure B. decrease pump capacity C. decrease pump cavitation D. decrease reaction ring clearance 20. If a centrifugal pump is driven by a constant speed electric motor and produces

13、 a discharge pressure less than designed, the cause is probably _. A. excessive pump speed B. excessive suction head C. worn wearing rings D. gross pump misalignment 21. The heat identified by only a change in temperature is known as _. A. sensible heat B. latent heat C. total heat D. residual heat

14、22. The effective temperature of air is dependent upon _. I. relative humidity II. air velocity A. I only B. II only C. Both I and II D. Neither I nor II 23. In a chilled(冷的) water air conditioning unit using a reciprocating compressor, the refrigerating effect of the primary refrigerant can be incr

15、eased by _. A. increasing refrigerant pressure in the coil B. increasing chilled water flow through the cooler C. sub-cooling the refrigerant in the condenser D. superheating the refrigerant in the compressor 24. Sludge may be formed in the oil in the crankcase of a reciprocating air conditioning co

16、mpressor as a result of _. A. refrigerant bubbles in the lube oil B. refrigerant reducing the lube oil viscosity C. oxidation(氧化) of the lube oil from overheating D. reducing the floc or cloud point of the oil 25. A high rate of separation between oil and water is favored by _. A. large size of oil

17、globule(小球) B. low temperature C. high viscosity D. high flow rate 26. When started, a complete oily water separating unit is first filled _. The oily water mixture is then pumped through the inlet pipe into the coarse separating compartment. A. with dirty water B. with clean water C. by oily water

18、D. by mixed water 27. Which is the pollution prevention equipment? A. booster pump B. evaporator C. incinerator D. cooler 28. The oil sludge is burnt in the _onboard. Ill show you the ashes. A. boiler B. main engine C. auxiliary engine D. incinerator 29. Most marine biological sewage treatment plant

19、s consist of all the following statements except _.A. aeration(通風(fēng)) tanks B. settling tanks C. disinfection agent(消毒劑) D. anaerobic bacteria(厭氧菌)30. Dirty oil must be _before being used again . A. mixed with clean oil B. purified C. heated D. strained 31. Cylinders of marine diesel engines are normal

20、ly cooled by _ . A. sea water B. fine mineral oil C. sanitary water D. fresh water32. In a flash type evaporator, all saltwater heaters are vented through individual vent cocks to the _. A. saltwater heater shell B. second-stage condenser C. atmosphere D. second-stage flash chamber 33. When a vacuum

21、 boiling evaporator works, the hot jacket water will pass over the tube stack and _ the sea water passing through the tubes. A. dispose B. dissolve C. heat D. dissipates 34. What type of valve is used to direct the flow of hydraulic fluid? A. relief valve B. direction control valve C. stop valve D.

22、pressure control valve 35. Among the basic categories of equipment, which of the following is used to convert hydraulic energy into continuous rotary motion? A. hydraulic pumps B. valves C. hydraulic cylinders D. hydraulic motors 36. In a ordinary cargo crane, _is fitted to rotate the crane. A. the

23、slewing motor B. the luffing motor C. the hoisting motor D. the fan motor 37. If an anchor windlass has been idle for some time, you should _. A. repack all valve stems B. lubricate it prior to use C. replace the foundation bolts D. balance the warping heads 38. Mooring winch should be equipped with

24、 mechanical brakes capable of holding _. A. half the breaking strength of the mooring line B. the full breaking strength of the mooring line C. the maximum expected tension of the mooring line D. 50% over the working tension of the mooring line 39. The pour point of lubricating oils is affected the

25、most by which of the following? A. Extensive centrifuging B. Wax content C. Water content D. Acid content 40. The number of cycles per second occurring in AC voltage is known as the _. A. phase angle B. frequency C. wave form D. half mode 41. What will be the phase angle relationship of a six-pole,

26、three-phase, rotating field generator? A. 60 B. 120 C. 180 D. 360 42. It _ for an emergency generator to require paralleling. A. is not usual B. is usual C. is necessary D. is not impossible 43. Equal power factors on paralleled AC generators are maintained by an automatic _.A. governor control swit

27、ch B. reverse power relayC. reverse current relay D. voltage regulator44. Electric insulation is made of organic substances and so gradually _with age. A. deteriorates(惡化) B. increases C. are fouled D. becomes better 45. The main generators are connected to _. A. distribution boards B. section board

28、s C. emergency switch boards D. main switch boards 46. The part of the shipboard electrical system used to control the distribution of power to the branch circuits, is the _.A. bridge control panel B. disconnect linksC. main switchboard D. governor relay box47. The primary function of an electric mo

29、tor is to _. A. develop torque B. generate high voltages C. produce a magnetic field D. generate high electrical resistance 48. Electrical circuits are protected against overheating by means of a/an _.A. circuit breaker B. amplifierC. diode （二極管） D. capacitor49. A circuit breaker and a fuse have a b

30、asic similarity(類(lèi)似) in 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. should short the circuit when overloaded 50. Current measuring instruments must always be connected in _.A. series with a

31、 circuit B. parallel with a circuitC. series-parallel with a circuit D. delta with the shunt 51. 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 52. The order“_” means “Maximum maneuvering engine revolution for ah

32、ead propulsion.” A. Full Ahead B. Half Ahead C. Full Astern D. Half Astern 53. _is a precaution which contributes to avoiding trouble under normal operating conditions. A. Constant inspection B. Keeping constant load C. Remaining constant temperature D. Varying speed 54. After the order _ is given,

33、the air system is shut down, the turning gear put in. A. Finished With Engine B. Stop The Engine C. Stand-by Engine D. Slow-down Engine 55. Keep compartment _ as the gas given off can be dangerous. A. in good order B. well clean C. well ventilated D. more room 56. A fire involving trash and paper wa

34、ste would be classified as a _. A. class A B. class B C. class C D. class D 57. Which of the following is least likely to cause the ignition of fuel vapors? A. Static electricity B. An open running electric motor C. Loose wiring D. Explosion proof lights 58. Which of the following components provide

35、s a direct source of seawater for the fire main system? A. Rose box B. Sea chest C. Sluice(閘式) valve D. Fire pump stuffing box 59. CO2 extinguishes a fire by _. A. a blanket of bubbles formed on the surface of the fire B. smotheringC. isolating the heat from the fuel D. cooling60. Obviously, for a g

36、iven fuel oil, its pour point is _its cloud point. A. lower than B. higher than C. as same as D. better than 61. Using a file without a handle may result in _. A. your work becoming rounded B. injury to your hand C. overheating of the file D. pinning 62. When a vessel is in dry-dock, the vessels eng

37、ineers should _.A. examine the condition of the propellerB. chip and paint all hull protection zincsC. install new docking plugs in all cofferdamsD. inspect the hull for hogging or sagging63. The additional mark _in the Classification Certificate for Machinery represents the propulsion apparatus is

38、remotely controlled on the navigating bridge control station, and engine room is watched by duty personnel. A. BRC B. MCC C. AUT-0 D. AUT-1 64. Oil Record Book Part I shall be provided to every oil tanker of 150 tons gross tonnage and above and every ship of 400 tons gross tonnage and above, _oil ta

39、nkers, to record relevant machinery space operations. A. as well as B. as long as C. rather than D. other than 65. The Port Authorities, in accordance with the IMO resolutions have been carrying out _ to enhance safety of ships. A. CPP B. FPP C. FSC D. PSC 66. The Port State Control officer may witn

40、ess 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. Muster List 67. When deciding the composition of the engineering watch, which may include _appropriately, many factors shall be taken into account. Asatisf

41、ied engineers Bqualified ratingsCsatisfied chief engineer Dqualified chief engineer 68. _ should not undertake any task which will interfere with the supervision duties relating to the main machinery and associated equipment. A. The watch keeping personnel B. The chief engineerC. The person on a bun

42、ker barge D. The duty deck officer69. The officer in charge of the engineering watch shall ensure that at all times bridge orders relating to changes in _of operation are immediately implemented(執(zhí)行). A. ahead or astern B. fore or aft C. up or down D. speed or direction 70. In cleaning up an oil spil

43、l, the use of chemical agents would _. A. absorb the oil for easy removalB. remove the oil from the waterC. disperse or dissolve the oil in the waterD. not affect the oil71. One of the methods NOT usually allowed in cleaning up oil spills in the United States is _. A. skimmers B. straw C. dispersant

44、s D. sawdust72. The SOLAS Convention in its successive forms is generally regarded as the most important of all international treaties concerning the _of merchant ships. A. pollution B. economization(節(jié)省) C. safety D. efficiency 73. _ means the Government of the State whose flag the ship is entitled

45、to fly. A. Assembly B. Organization C. Company D. Administration 74. The ship security officer shall have knowledge and have received training, taking into account the guidance given in Part B of_. A. the ISM Code B. the ISPS Code C. the IBC Code D. the IGC Code 二、關(guān)聯(lián)題（關(guān)聯(lián)題題干下有4個(gè)小題，每小題4個(gè)選項(xiàng)）Due to the

46、large amount of heat picked up by the air in boiler and engine rooms, it would be impracticable to maintain ambient conditions within the comfort zone by air conditioning or any other means. The normal practice is to provide copious mechanical ventilation; in boiler rooms, the quantity is equated to the combustion requirements, while in a motor ship engine room the supply may be 25-50% in excess of