大学英语期末考试(A)

1、大学英语期末考试（A）第一部分：单选题1. The starting current of an a.c. motor is the rated current.A. the same as B. much larger than C. less than D. equals2. With a load the voltage and current are in phase.A. pure resistance B. capacitive C. inductive D. None of the above3. The emergency generator or emergency batt

2、ery is connected to on most large ships.A. distribution boards B. section boards C. emergency switch boards D. main switch boards4. Switchboards may be of the dead-front type in which all live parts are installed behind and onlythe operation handles and instruments are on the front.A. the capstan B.

3、 the collector C. the panels D. the surface5. Remote control means that.A. the system is manned manually B. the system is situated remotely from the operatorC. the system is controlled automaticallyD. all the above6. The difference between measured and desired values is called.A. make-up B. desired

4、value C. deviation D. set value7. Prior to any overhaul work on electric equipment, it is important to ensure the circuits are.A. live B. dead C. excited D. on line8. Before starting an engine by air ,the engine mustA. be turned by a turning gear for at least one minuteB. be turned by a turning gear

5、 for at least two minutesC. be turned at least one complete turnD. be turned at least two complete turns9. Shore power must be during dock repair.A. disconnected B. switched off C. cut off D. connected10. The switchboards for a.c. systems differ from the d.c. switch gear in that the open type panels

6、 are generally and the dead-front switch gear is the common rule.A. permissibly B. permissible C. no permissible D. not permissible11. Current changing in direction and rising and falling in value is.A. A.C. B. D.C. C. generator D. fresh water generator12. The separate supplies are connected in eith

7、er star or delta formation. The star formation is most commonly used and requiresslip-rings on the alternator.A. two B. three C. four D. five13. The difference between measured and desired values is calledA. offset B. error C. deviation D. set value14. After the trouble of the automatic control syst

8、em has been completely eliminated, assistance isrequired.A. remained B. still C. no longer D. much mere15. The field coils and the armature is. This is in fact the arrangement adopted for large,heavy duty alternators.A. stationary/rotate B. stationary/stationary C. rotate/stationary D. rotate/rotate

9、16. An a.c. switchboard is usuallythe corresponding d.c. board because of the higher voltage andlower currents and smaller bus-bars.A. larger and heavier than B. as much as C. smaller and lighter than D. more dangerous than17. Inthe control action is independent on(of) the output.A. a closed loop co

10、ntrol system B. an open loop control systemC. a boiler control systemD. a steering gear control system18. Itfor an emergency generator to require paralleling.A. is usual B. is not usual C. is necessary D. is not impossible19. Which of the motors for the devices listed below is fitted with an instant

11、aneous overload relay?A. Fan B. Pump C. Winch D. Machine tool20. An electrical device which prevents an action from occurring until all other required conditions are met is called a/an.A. limit B. monitor C. modulator D. interlock21. A circuit breaker and a fuse have a basic similarity in that they

12、both.A. can be reset to energize the circuit B. should open the circuit when overloadedC. will burn out when an over current flow develops D. All of the above22. A constant output voltage from an AC generator is maintained by the.A. prime mover governorB. exciter generator C. voltage regulator D. re

13、verse power relay23. What will be the phase angle relationship of a six-pole, three-phase, rotating field generator .A. 60B. 120C. 180D. 36024. Copper is often used as an electrical conductor because it.A. has high resistance at low temperatures B. has a highly polished surfaceC. is able to pass cur

14、rent with little opposition D. holds insulation together well25. In a series circuit, which value will remain unchanged at all places in the circuit?A. Voltage B. Current C. Resistance D. Inductance26. The total resistance of a parallel circuit is always.A. larger than the greatest branch resistance

15、 B. smaller than the lowest branch resistanceC. equal to the sum of the individual branch resistances D. one-half the sum of the individual branch resistances27. means the Government of the State whose flag the ship is entitled to fly.A. Assembly B. Organization C. Company D. Administration28. The p

16、art of the shipboard electrical system used to control the distribution of power to the branch circuits, is the.A. bridge control panel B. disconnect links C. governor relay boxD. main switchboard29. The port state control inspection is carried out on the basis of the following international convent

17、ions. Among them, which one was not set by IMO?A. LL66 B. ITC69 C. ILO No. 147 D. SOLAS 74r30. Possible phase relationships between voltage and current in an alternating current circuit include which of the following conditions?A. Current and voltage may be in phase. B. Current may lead the voltage.

18、C. Current may lag the voltage.D. All of the above.31. An ammeter should be used to measure.A. the voltage between two points in a circuit B. circuit continuityC. current flow in a circuitD. total or partial circuit resistance32. The International Oil Pollution Prevention Certificate required by MAR

19、POL is issued to China flag by the.A. IMO B. CCS C. USCG D. PICC33. When voltage and current developed in an AC circuit reach their peak values at the same time, the power factor is.A. lagging B. leading C. maximum D. minimum34. Voltage will always lead current in a/an.A. capacitive circuitB. induct

20、ive circuit C. magnetic circuit D. resistive circuit35. When paralleled, AC generators must have the same.A. frequency B. number of phases C. phase rotation D. All of the above36. Prior to closing the breaker when paralleling two AC generators, the recommended practice is to have the frequency of th

21、e incoming machine.A. slightly less than the line frequency B. the same as the line frequencyC. slightly greater than the line frequency D. All of the above37. A person on a fixed or floating platform engaged in oil exploration MAY discharge food waste into the sea when the distance from the nearest

22、 land is at leastA. 3 nautical milesB. 5 nautical milesC. 12 nautical milesD. 25 nautical miles38. The unit of electrical power is the.A. ampere B. kilovolt C. watt D. farad39. is a precaution which contributes to avoiding trouble under normal operating conditions.A. Constant inspection B. Keeping c

23、onstant load C. Remaining constant temperature D. Varying speed40. should not undertake any task which will interfere with the supervision duties relating to themain machinery and associated equipment.A. The watch keeping personnelB. The chief engineerC. The person on a bunker bargeD. The duty deck

24、officer41. Bridge orders must beand a record of any required changes in speed and direction should bekept. A. slowly carried away B. carried out with a period of delayC. promptly carried out D. paid by the captain42. The officer in charge of the engineering watch shall ensure that all machinery invo

25、lved with the maneuvering of the ship can immediately be placed in theof operation when notified that the shipis in congested waters.A. manual mode B. automatic mode C. remote mode D. follow-up mode43. While loading bunkers, you notice oil on the water near the vessel. What should you do first.A. St

26、op loadingB. Notify the harbour administrationC. Determine if the vessel is the source of the pollutionD. Start the main engine and put them in gear to disperse the spill44. The basic training in fire prevention and fire fighting should include the practical elements which should allow the trainees

27、to acquire the ability to.A. use self-contained breathing apparatus B. use various types of portable fire extinguishersC. effect a rescue in a smoke-filled space wearing breathing apparatus D. All of the above45. The order “ ” means “ Maximum maneuvering engine revolution for aheadpropulsion. ”A. Fu

28、ll Ahead B. Half Ahead C. Full Astern D. Half Astern46. Why ship repair is an inherently difficult business to manage in the conventional sense?A . Because it is difficult to plan and manage B. Because it is cannot be will categorizedC. Because it is a difficult work for people to undergo D. Because

29、 it is seldom researched by researcher47. The fire-fighting practical training should take place in spaces which provide truly realistic training conditions, and whenever possible and practical should be carried out in.A. darkness B. daylight C. simulated engine-room D. all of the above.48. The dist

30、ance between the bottom of the hull and the waterline is called.A. tonnage B. reserve buoyancy C. draft D. freeboard49. The approval period for a shipboard oil pollution emergency plan expires after .A. one year B. two years C. four years D. five years50. A shipboard oil pollution emergency plan is

31、required of.A. all vessels, regardless of size and commercial applicationB. any barge or other ship which is constructed or operated in such a manner that no oil in anyform can be carried aboardC. an oil tanker of 150 gross tons or above, or other ship of 400 gross tons or aboveD. an oil tanker of 4

32、00 gross tons and above, or other ships of 150 gross tons and above51. To prevent the spread of fire by conduction, you should.A. cool the bulkheads around the fire B. remove combustibles from direct exposureC. close all openings to the area D. shut off all electric power52. Burning diesel oil shoul

33、d be treated as which class of fire?A. Class "A" B. Class "B"C. Class "C" D. Class "D"53. If your vessel has a starboard list after taking on fuel, you would transfer fuel.A. to starboard B. to port C. forwardD. aft54. Convection spreads a fire as a result of.

34、A. transmitting the heat of a fire through the ship's metal B. burning liquids flowing into another spaceC. heated gases flowing through ventilation systems D. the transfer of heat across an unobstructed space 55 The International Oil Pollution Prevention Certificate is valid for a period of.A.

35、one year from the date of issue B. two years from the date of issueC. three years from the date of issue D. four years from the date of issue56. A class "B" fire would most likely occur in the.A. main switchboardB. engine room bilgeC. breathing compartment D. electric fresh water transfer

36、pump57. If an oil spill occurs on deck, you should.A. cover the area with foamB. cover the area with absorbent materialC. wash down immediately with a fire hose D. wash down immediately with an oil dispersing solvent58. A class "C" fire would occur in.A. bedding B. pipe insulationC. paint

37、D. a generator59. At an unsheltered anchorage the chief engineer officer shall consult with whether or not tomaintain an underway watch.A. the engineer officer in charge of watch B. the deck officer in charge of watchC. the master D. the chief mate60. The class of fire on which a blanketing effect i

38、s essential to extinguish the fire is.A. class A B. class B C. class C D. class D61. Which of the listed classes of fire would most likely occur in the engine room of a vessel?A. Classes A and B B. Classes B and C C. Classes C and D D. Classes A and D62. One of the methods NOT usually allowed in cle

39、aning up oil spills in the United States is.A. skimmers B. straw C. dispersants D. sawdust63. A class "D" fire would be considered as burning.A. wood B. oil C. electrical equipmentD. magnesium64. The use of sinking and dispersing agents for the removal of surface oil is.A. the most common

40、method used in the United StatesB. too expensive for common useC. generally safe to sea life D. generally harmful to sea life65. Fires involving combustible metals are classified as.A. class "A" fires B. class "B" firesC. class "C" fires D. class "D" fires66.

41、A tank which has been sealed for a long period of time can be dangerous because.A. steel surfaces consume oxygen by rusting B. sealed tanks usually form a vacuumC. moisture condenses in the tank, displacing the oxygenD. most tank coatings give off poisonous vapors in the presence of moisture67. A ta

42、nk has been sealed and unventilated for a long period of time. Which of the following conditions does this indicate?A. The tank is safe to enter. B. The tank is especially dangerous to enter.C. Carbon monoxide is present. D. Water vapor present when the tank was sealed has oxidized.68. With UMS, whe

43、n the engine room is unwatched,will control the main engine.A. the bridge officer on watch B. the chief engineer C. the duty engineer D. the duty motorman69. An example of class "A" fire is a/anA. electrical fire in the engine roomB. oil fire in the engine room bilgesC. oil fire involving

44、a grade "A" petroleum product D. mattress fire in a stateroom70. Why is it necessary to warn engine room personnel before activating the fixed CO2 system?A. To make them aware there is a fire. B. To let them know they should leave the engine room.C. To prevent possible injury from frostbit

45、e.D. To make them aware that ventilation will automatically stop.71. 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 proceed72. The process that occurs when heat is generated by a chemical

46、 reaction within a substance and continues to a point of ignition is known as.A. chemical ignition B. spontaneous combustion C. chemical combustion D. radiation ignition73. The term "discharge", as it applies to the pollution regulations, meansA. spilling B. leakingC. dumping D. All of the

47、 above74. If a fire ignites in the engine room as a result of a high pressure fuel oil leak, you should FIRST.A. secure the ventilationB. find a soda acid extinguisherC. shut off the fuel oil supply D. secure the generator75. The FIRST step to take in fighting an engine room fire resulting from a ru

48、ptured fuel oil service line,is to.A. evacuate all engine room personnelB. fight the fire with hand portable extinguishersC. activate the main CO2 bankD. stop the flow of leaking fuel oil76. The necessity for administering artificial respiration may be recognized by the victim's .A. vomiting B.

49、blue color and lack of breathing C. irregular breathing D. unconscious condition77. All personnel should be familiar with the lifeboats.A. boarding and operating procedures B. maintenance scheduleC. navigational systemsD. fuel consumption rates78. Which of the precautions listed should be observed w

50、hen taking on diesel fuel?A. Secure all lighting to the main deckB. Provide a portable fan to blow away fumesC. Prohibit smoking in the areaD. Display a black triangle during daylight hours79. To avoid excessive pressures in the fuel oil filling system during bunkering, you should .A. close the tank

51、 filling valves quicklyB. top off all tanks at the same timeC. rill completely all tanks to less than 95 % full D. reduce the loading rate when topping off980. During fueling operations, which of the listed precautions should be taken when topping off fuel tanks?A. Reduce the pumping rate by closing

52、 the deck filling valve. B. Close all overflow valves.C. Place 5 gallon containers under all flange connections in the fuel line.D. Reduce the pumping rate and sound tanks frequently as the level rises.81. After the order “ ” is given, the air system is shut down, the turning gear put in, all drains

53、 andindicator cocks opened, and the cooling water and lubricating oil systems kept running.A. Stand-by Engine B. Stop Engine C. Finished With Engine D. Dead Slow Ahead82. The Port Authorities, in accordance with the IMO resolutions have been carrying out toenhance safety of ships.A. CPPB. FPPC. PSCD

54、. FSC83. If you must enter a room or compartment to combat the fire , keep an escape path.A. open B. close C. opens D. closes84. Additivesprotective layers on metal surfaces guarding them against corrosion.A. damage B. form C. dissolve D. contaminate85. When a vessel is in dry-dock, the vessel's

55、 engineers should.A. examine the condition of the propeller B. chip and paint all hull protection zincsC. install new docking plugs in all cofferdams D. inspect the hull for hogging or sagging86. The lengthening of a crack formed in the shell plating of a ship may be prevented by.A. welding brackets

56、 across both ends of the crack B. chipping out and slot welding the entire crackC. drilling a hole at each end of the crack D. cutting a square notch at each end of the crack87. A(n)is a mechanical attack on the metal surface which may be due to a disturbance in the flowof the water over the blade o

57、f the propeller.A. erosion B. corrosion C. pitting D. dezincification88. Which one of the following repair will cost the least cost? (1) routing docking repair B. voyage repair C. damage repairD. convention第二部分 :关联题The control officer may determine if all operational requirements of Annex I of MARPO

58、L 73/78 have been met, taking into account:(2) the quantity of oil residues generate;(3) the capacity of sludge and bilge water holding tank(s);and(4) the capacity of the oily water separator.including the inspection of the oil record book. The control officer may determine if reception facilities have been used and note any alleged inadequacy of such facilities.The control officer may determine whether the responsible officer is familiar with the handling of sludge and bilge water. The relev