中华人民共和国海事局
2003年第1期海船船员适任证书全国统考试题(总第30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1.5分,第77题至78题, 每题10分。
一、单项选择题：
1. The cylinder head, cylinder liner and _____ form the combustion chamber．
A. frame B. piston C. crankcase D. explosion plate
2. A diesel engine burns ________ a gasoline engine of the same capacity in the same period of
time．
A. as much fuel as B. less fuel than C. less fuel as D. more fuel than
3. Acid solution _____ in the system can be tested from time to time by putting some on to a piece
of lime．
A. strength B. dense C. percentage D. velocity 4. A： Please tell me the specifications and quantity． B： _____．
A. Pump diesel oil first B. 300 tons of 180 cst fuel oil C. The figure is all right D. OK, I'll sign it
5. The film of oil between the rings and the liner is not only essential for the lubrication but also
plays an important part in achieving _____．
A. an oil seal B. removing heat C. a gas seal D. cooling the piston
6. The tendency for lubricating oil to thin out at high temperatures and thicken at low temperatures
will be characterized by a _____．
A. low viscosity index B. high viscosity index
C. high neutralization number D. low demulsibility quality
7. Operating a diesel engine for prolonged periods, with a closed freshwater cooling system, at
temperatures lower than the normal design temperature can cause _____． A. the formation of sulfuric acid B. a decrease in lube oil viscosity C. a decrease in cooling water pH D. a thermostat failure
8. ______ 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 9. The difference between a supercharged engine and an un-supercharged engine is that _____
operates at an increased pressure．
A. the later B. the latter C. the former D. the farmer
10. A sealing arrangement is provided at _____ of the tail-shaft with the propeller and cone
completing the arrangement．
A. both ends B. neither end C. the outboard end D. either end
11. The linear motion of a diesel engine piston is converted to the rotary motion required to drive
gears, propeller shafts, and generators by the _____．
A. flywheel B. crankshaft C. journal bearings D. camshaft
12. The use of a poor quality piston cooling oil can lead to rapid deterioration of its properties with
the resultant formation of deposits in the piston crown which in turn results in a considerable _____ in heat transfer．
A. advantage B. superior C. increase D． reduction 13．We should not start the engine unless the turning gear is _____ ．
A. on B. disengaged C. bolted D. unscrewed
14. The ability of the governor to prevent fluctuations in engine speed is termed _____．
A. sensitivity B. stability C. promptness D. speed droop 15. A governor automatically controls engine speed by regulating _____．
A. fuel supply B. firing order C. engine load D. oil level
16. It is relatively _____ to drive the compressor directly from the engine by chain/or other
mechanism because some of the additional power is absorbed． A. economical B. expensive C. inexpensive D. loss 17. Load control on a diesel engine is accomplished by _____．
A. regulating the speed of the turbocharger B. rotating the fuel injector pump plunger
C. regulating the speed of the fuel oil transfer pump D. changing engine timing
18. _____, 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
19. 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
20. If you were operating a centrifugal water service pump with worn wearing rings, the _____．
A. pump would be very noisy B. pump would vibrate excessively C. pump would develop insufficient flow D. stuffing box would leak excessively 21. Which bearing half will receive the greatest load in a two-stroke/cycle diesel engine?
A. Lower half of the connecting rod bearing at the crankshaft end of the rod. B. Upper half of the main bearing.
C. Lower half of the cross-head pin bearing in the connecting rod. D. All bearing halves share an equal load.
22. Where tanks are arranged for either oil or ballast _____ must be fitted in the pipeline．
A. a change-over chest B. a head tank C. a emergency bilge pump D. an air cooler
23. The boiler is fired _____ the demand for steam exceeds that available from exhaust gas heating． A. whenever B. however C. wherever D. whether
24. In readying an auxiliary water-tube boiler for a routine hydrostatic test, which of the following
procedures should be undertaken prior to filling the boiler with fresh water?
A. The safety valve escape piping should be disconnected from the valve body and a blank inserted．
B. The boiler vent valves should be opened．
C. All handhole/manhole covers should be tightened up as much as possible to preclude any leaks．
D. All of the above．
25. The bilge main is arranged to drain any watertight compartment_____ ballast, oil or water tanks
and to discharge the contents overboard．
A. rather than B. other than C. in addition that D. except for
26. When in operation, it is unavoidable that a small amount of oil _____ through leakage, and in
order to compensate for these leaks the system is connected to a feed pump． A. escapes B. overheats C. expands D. accelerates
27. When reassembling the bowl of a disk-type centrifuge, the bowl or locking ring is rotated
_______．
A. clockwise, due to the bowl rotating clockwise
B. clockwise, due to the bowl rotating counterclockwise C. counterclockwise, due to the bowl rotating clockwise
D. counterclockwise, due to the bowl rotating counterclockwise
28. Under the regulations implementing MARPOL, a mobile offshore drilling unit is required to have
an International Oil Pollution Prevention (IOPP) certificate when the unit _____． A. is drilling on the Outer Continental Shelf
B. moves to a new drilling location in U.S. waters
C. engages in a voyage to a port of another country which is a party of MARPOL D. All of the above.
29. The oil sludge is burnt in the _____onboard. I’ll show you the ashes．
A. boiler B. main engine C. auxiliary engine D. incinerator
30. Among the basic categories of equipment, which of the following are used to convert mechanical
into hydraulic energy?
A. the hydraulic pumps B. valves C. hydraulic cylinders D. hydraulic motors
31. If a radial piston hydraulic pump fails to deliver rated fluid volume, the cause can be _____．
A. contaminated fluid B. pitted thrust rings
C. worn pintle bearings D. obstructed suctions passage
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 wheel
33. If a heavy sea strikes the _____, the shock is transmitted through the tiller to the rams．
A. propeller B. rudder C. bow thruster D. stabiliser
34. An AC synchronous 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 pulleys D. variable displacement hydraulic pump driven by a reversible DC motor
35. A knocking sound from one cylinder of an operating air compressor indicates _____．
A. a defective or broken high pressure un-loader B. a loose valve plate C. excessive overload D. no compression
36. When a flash-type evaporator is to be secured for an extended period of time, the entire unit
should be drained, cleaned, and _____．
A. completely filled with saltwater B. filled with de-scaling compound C. tightly closed to exclude air D. vented to the atmosphere 37. The compressed air is supplied by ___ to the air reservoirs．
A. compressors B. forced fans C. ventilators D. generators 38. A dirty intercooler on the ship service air compressor will result in _____．
A. decreased compression ratio B. higher than normal power consumption C. un-loader malfunction D. water in the lubricating oil
39. Accidental flooding of the engine room bilges by the bilge main is prevented by _____．
A. stop-check valves installed in the bilge suction manifolds B. using a positive displacement reciprocating bilge pump C. installing eductors in all bilge rose boxes
D. installing a swing check before each bilge valve
40. When a refrigeration compressor is in the 'off ' cycle, the thermal expansion valve will_____．A. always be wide open when the compressor restarts B. continue to operate if the system were in operation
C. remain open until evaporator pressure equalizes, then close until the compressor restarts D. always be completely closed until the compressor restarts
41. While troubleshooting a refrigeration system for low head pressure, liquid refrigerant flooding
back from the evaporator is determined to be the cause. It may be necessary to _____． A. change the expansion valve adjustment
B. readjust the water regulating valve to increase the flow of water C. purge air from the condenser
D. clean the waterside of the condenser
42. When adding oil to a refrigeration system, precautions must be taken to ensure that_____．
A. the compressor suction pressure is not too high
B. all air is purged from the pump and charging fittings
C. the high pressure cutout switch is held open to prevent accidental starting D. the condenser is completely shutdown first
43. Your assigned emergency stations aboard your vessel can be found on the ship's _____．
A. muster list B. certificate of inspection C. clearance papers D. permit to proceed
44. If the fire goes out in an automatically fired auxiliary boiler and the burner continues to supply
fuel, there is a potential danger of _____．
A. overpressure and dry firing B. a severe furnace explosion C. spalling damage to the brickwork D. heat damage to the atomizer
45. The ___ is a measure of the phase difference between voltage and current and is expected as the
cosine of phase angle．
A. power B. efficiency C. effective power D. power factor 46. A constant output voltage from an AC generator is maintained by the _____．
A. prime mover governor B. exciter generator C. voltage regulator D. reverse power relay
47. When working on a high voltage circuit, you should always have another person present with you.
This person should have a good working knowledge of _____．
A. the circuit being worked on and the location of all switches and circuit breakers controlling it B. first-aid techniques for treating electrical shock C. cardiopulmonary resuscitation (CPR) D. All of the above．
48. Which of the following should be the FIRST step in removing a generator from 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. The operating medium for control systems may be _____．
A. compressed air B. hydraulic oil C. electricity D. All of the above．
50. Loss of lubricating oil pressure to the main propulsion diesel engine will actuate a/an _____．
A. overspeed trip B. audible/visual alarm C. the ships/boats general alarm D. reserve oil storage tank
51. The most common type of containment device for spilled oil on the water is the use of _____．
A. straw B. booms C. skimmers D. chemical dispersants
52. Electric insulation is made of organic substances and so gradually ___ with age．
A. deteriorates B. increases C. are fouled D. becomes better
53. While on watch in the engine room, you hear a continuous sounding of the fire alarm. Which of
the following actions should you take? A. Make an entry in the official logbook．
B. Open the master control valves on the fixed CO2 system． C. Start the fire pump and check discharge pressure． D. Secure auxiliary condenser overboard discharge．
54. After the trouble of the automatic control system has been completely eliminated, assistance is
______ required.
A. remained B. still C. no longer D. much more
55. A circuit breaker differs from a fuse in that a circuit breaker _____．
A. melts and must be replaced
B. is enclosed in a tube of insulating material with metal ferrules at each end C. gives no visual indication of having opened the circuit D. trips to break the circuit and may be reset
56. 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. Which of the following statements represents the main difference between a relay and a contactor?
A. Contactors control current and relays control voltage．
B. A relay is series connected and a contactor is parallel connected． C. Contactors can handle heavier loads than relays．
D. Contactors are made from silver and relays are made from copper．
58. The pressure difference before and after the lube oil filter indicates _____ the filter should be
cleaned．
A. when B. how C. where D. whether
59. In order to ensure the safety of the ship and its equipment during UMS operation, certain
essential functions _____．
A. must be provided B. may be provided C. have provided D. can be provided 60. In the engine department, the_____ is looked upon to provide the leadership that is needed．
A. captain B. chief engineer C. chief officer D. chief motorman
61. 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 62. We still do not know _____．
A. where is the trouble B. where does the trouble C. where the trouble is D. what is the trouble 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. Under the provisions of applicable international conventions, ships entitled to fly the flag of a
Party are subject, while in the port of a Party, to control by officers duly authorized by the Party． Ships of non-parties or below convention size shall be given ______． A. more favorable treatment B. less favorable treatment C. no more favorable treatment D. the most favorable treatment
65. ______ may have two emergency source of power, thus requiring two emergency
switchboards．
A. Large passenger vessels B. General cargo ships C. Container ships D. Oil tankers
66. With regards to a diesel engine crankcase explosion, the most violent is the _____．
I．primary explosion II． secondary explosion
A. I only B. II only C. both I and II D. neither I or II
67. A certificate， called a(an) ______ ,should be issued to a ship by the Administration．
A. ISM B. DOC C. SMC D. PS
海事局第1期海船船员适任证书全国统考试题(总第30期)科目：轮机英语 试卷代号：801
