期末考试A.doc

1002级轮机英语期末考试（A）考试班级：1002轮机2.3.4.5班班级： 姓名： 分数： 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 battery 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 only the operation handles and instruments are on the front. A. the capstan B. 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 operator C. the system is controlled automatically D. all the above6. The difference between measured and desired values is called_. A. make-up B. desired 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 must _A. be turned by a turning gear for at least one minute B. be turned by a turning gear for at least two minutes C. be turned at least one complete turn D. 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 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 either star or delta formation. The star formation is most commonly used and requires_ slip-rings on the alternator. A. two B. three C. four D. five13. The difference between measured and desired values is called A. offset B. error C. deviation D. set value14. After the trouble of the automatic control system has been completely eliminated, assistance is_ required. 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/rotate16. An a.c. switchboard is usually_ the corresponding d.c. board because of the higher voltage and lower currents and smaller bus-bars. A. larger and heavier than B. as much as C. smaller and lighter than D. more dangerous than17. In_ the control action is independent on(of) the output. A. a closed loop control system B. an open loop control systemC. a boiler control system D. a steering gear control system18. It_ for 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 instantaneous 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 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. 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. reverse power relay23. What will be the phase angle relationship of a six-pole, three-phase, rotating field generator _. A. 60 B. 120 C. 180 D. 36024. Copper is often used as an electrical conductor because it_. A. has high resistance at low temperatures B. has a highly polished surface C. is able to pass current 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 B. smaller than the lowest branch resistance C. 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 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 links C. governor relay boxD. main switchboard29. The port state control inspection is carried out on the basis of the following international conventions. 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. 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 continuity C. current flow in a circuit D. total or partial circuit resistance32. The International Oil Pollution Prevention Certificate required by MARPOL 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 circuit B. inductive 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 the incoming machine_. A. slightly less than the line frequency B. the same as the line frequency C. 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 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 constant load C. Remaining constant temperature D. Varying speed40. _ 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 bunker barge D. The duty deck officer41. Bridge orders must be_ and a record of any required changes in speed and direction should be kept. 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 involved with the maneuvering of the ship can immediately be placed in the_ of operation when notified that the ship is 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. Stop loading B. Notify the harbour administration C. Determine if the vessel is the source of the pollution D. 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 to acquire the ability to_. A. use self-contained breathing apparatus B. use various types of portable fire extinguishers C. effect a rescue in a smoke-filled space wearing breathing apparatus D. All of the above45. The order “_” means “Maximum maneuvering engine revolution for ahead propulsion.”A. Full 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 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 distance 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 required of_. 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 above D. an oil tanker of 400 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 exposure C. close all openings to the area D. shut off all electric power52. Burning diesel oil should be treated as which class of fire? A. Class A B. Class B C. Class C D. Class D53. If your vessel has a starboard list after taking on fuel, you would transfer fuel_. A. to starboard B. to port C. forward D. aft54. Convection spreads a fire as a result of_.A. transmitting the heat of a fire through the ships metal B. burning liquids flowing into another spaceC. heated gases flowing through ventilation systems D. the transfer of heat across an unobstructed space55 The International Oil Pollution Prevention Certificate is valid for a period of_. A. one year from the date of issue B. two years from the date of issue C. 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 switchboard B. engine room bilge C. breathing compartment D. electric fresh water transfer pump57. If an oil spill occurs on deck, you should_. A. cover the area with foam B. 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 insulation C. paint D. a generator59. At an unsheltered anchorage the chief engineer officer shall consult with_ whether or not to maintain 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 is 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 cleaning 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 equipment D. magnesium64. The use of sinking and dispersing agents for the removal of surface oil is_. A. the most common method used in the United States B. too expensive for common use C. 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 fires C. class C fires D. class D fires66. 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 vacuum C. moisture condenses in the tank, displacing the oxygen D. most tank coatings give off poisonous vapors in the presence of moisture67. A tank 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, when 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/an A. electrical fire in the engine room B. oil fire in the engine room bilges C. oil fire involving 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 frostbite. D. To make them aware that ventilation will automatically stop.71. Your assigned emergency stations aboard your vessel can be found on the ships_. 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 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, means A. spilling B. leaking C. dumping D. All of the 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 ventilation B. find a soda acid extinguisher C. shut off the fuel oil supply D. secure the generator75. The FIRST step to take in fighting an engine room fire resulting from a ruptured fuel oil service line, is to_. A. evacuate all engine room personnel B. fight the fire with hand portable extinguishers C. activate the main CO2 bank D. stop the flow of leaking fuel oil76. The necessity for administering artificial respiration may be recognized by the victims _. A. vomiting B. 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 schedule C. navigational systems D. fuel consumption rates78. Which of the precautions listed should be observed when taking on diesel fuel? A. Secure all lighting to the main deck B. Provide a portable fan to blow away fumes C. Prohibit smoking in the area D. 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 filling valves quickly B. top off all tanks at the same time C. rill completely all tanks to less than 95 % full D. reduce the loading rate when topping off80. During fueling operations, which of the listed precautions should be taken when topping off fuel tanks? A. Reduce the pumping rate by closing 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 and indicator 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_ to enhance safety of ships. A. CPP B. FPP C. PSC D. 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. Additives