中华人民共和国海事局

2002年第2期海船船员适任证书全国统考试题（总第29期）

科目：轮机英语 试卷代号：604

适用对象：沿海航区750-3000KW船舶大管轮

（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68题，每题1分，第69题至76题，每题1．5分，第78题至79题，每题10分。

一．单项选择题

1. ___ is the removal of exhaust gases by blowing in fresh air．

A． Scavenging B． Charging C． Gas exchange D． Supercharging

2． At the top of the A-frames there is a strong cast iron frame called ______．

A． cylinder liner B． cylinder cover C． the gear box D． the scavenging box

3． If diesel oil in this tank is used ,the ___ of the oil must not exceed 120 degree F．

A． viscosity B． temperature C． acid value D． f lash point

4． The _____ in the injector will lift at a pre-set pressure which ensures that the fuel will atomize once it enters the cylinder．

A． piston B． nozzles C． needle valve D． spring

5． The removal of ______ from lubricating oil will reduce engine wear and possible breakdowns．

A． contaminating water B． contaminated additives

C． contaminated fuel D． contaminating impurities

6． ___ fuel oils ___ lubricating oils require treatment before passing to the engine．

A． Both/and B． Neither/nor C． Either/or D． Both/or

7． Fresh water is used for the cooling of cylinder jackets and ___ of the marine diesel engine．

A． cylinder covers B． lubricating space C． crosshead D． exhaust manifold

8． With uniflow scavenging the incoming air enters ______ and leaves at the top．

A． at the bottom of the cylinder B． at the lower end of the cylinder

C． at the middle of the cylinder D． in the scavenging box

9． ___ the supercharge pressure is, ___ power an engine develops．

A． The higher/the more B． Higher/more C． Higher/little D． The higher/the less

10．The vessel is out of harbor and in "Full Ahead" ． We are going to run fuel oil instead of ___ and open the fuel oil heater steam valve．

A． heavy oil B． lube oil C． diesel oil D． fuel oil

11． ___ of an engine crankshaft can be detected by measuring deflections of crank webs for each unit of the engine．

A． Misalignment B． Length C． Strength D． Stresses

12．Main bearings are required to support the crankshaft at each ___．

A． end B． web C． pin D． journal

13．Vessel propellers are classified as being right hand or left hand． A right hand propeller turns clockwise when viewed from ______．

A． the bow B． the stern C． the port side D． the starboard side

14．The required amount in the change of speed necessary before a governor will make a corrective movement is known as ______．

A． speed droop B． sensitivity C． stability D． promptness

15．The ability of the governor to prevent fluctuations in engine speed is termed _____．

A． sensitivity B． stability C． promptness D． speed droop

16．On most diesel engines, the governor controls the output speed by _____．

A． controlling the amount of fuel injected into the cylinders

B． varying the speed of the turbocharger

C． adjusting the compression ratio

D． changing the timing of the fuel injection camshaft

17．The pipe friction and the resistance will ___ as a result of an increase in the amount of fluid flowing through the system．

A． reduce B． rise C． raise D． fall

18．What is the purpose of a relief valve?

A． to fill 2 tanks at the same time． B． to use pump at a higher pressure ．

C． to return liquid to suction side if discharge valve is closed．

D． All of the above are true．

19．If an operating auxiliary boiler has a water pH reading of 7, you should ____．

A． bottom blow the boiler

B． treat the water with caustic soda

C． treat the water with chemical scavengers

D． reduce the water alkalinity to recommended readings

20．Prior to lighting off a cold automatically fired auxiliary boiler, you should _____．

A． check and regulate the water level B． close the air cock once fires are lit

C． blowdown the gage glass D． crack the steam stop to assure protective steam flow

21．Here some oil in the oily water separator, as a result of its lower ______, will separate and rise into the oil collection space．

A． temperature B． viscosity C． density D． velocity

22．The diameter of the gravity disc is too big． It causes oil to flow through the water outlet． We changed the disc and no ___ is found in the water outlet．

A． water B． oil C． scale D． ridge

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．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

25．Oil water separators are used to ensure that ships don't discharge oil when pumping out _____．

A． ballast water B． boiler water C． bilge water D． sewage water

26．Steering gears can be arranged with hydraulic control equipment known as a "_____", or with electrical control equipment．

A． telemeter B．telemanometer C．telemotor D．telemometer

27．Under normal operating conditions, the rudder is hydraulically locked unless _____．

A． the manual trick wheel is engaged for steering

B． the variable stroke pump is off stroke

C． a rudder order is given by the control system

D． an electric power system failure occurs at the steering gear

28．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

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． the rams D． hunting gears

30．In the process of ___,liquid changes into gas．

A． evaporation B． frosting C． condensing D． compressing

31．In a refrigeration plant the ___ need defrosting．

A． fan B． compressor C． condenser D． evaporator

32．During working, thermostatic expansion valve should be ___．

A． either all the way open or all the way closed B． normally fully open

C． throttled depending on load D． controlled by liquefied pressure

33．The device used for low-pressure control and high-pressure cutout on a compressor is called a ___．

A． cutout B． controller switch C． pressure controller D． cutout switch

34．Class A fires are best extinguished by quenching or cooling with ．

A．deprival of oxygen B．a water spray C．soda-acid D．foam

35．Keep compartment ______ as the gas given off can be dangerous．

A． well ventilated B． well clean C． in good order D． more room

36．Current changing in direction and rising and falling in value is ___ ．

A． A．C． B． D．C． C． generator D． fresh water generator

37．With a ___ load the voltage and current are in phase．

A． purely resistance B． capacitive

C． inductive D． None of the above．

38．The operation of _____ two alternators requires the voltages to be equal and also in phase．

A． control B． series-mounting C． running D． paralleling

39．Ammeter is to measure the ___ ．

A． current B． voltage C． power D． frequency

40．____ is used to produce electric power．

A． A fresh water generator B． An alternator C．A compressor D． A clarifier

41．An automated diesel engine should normally shut down due to _____．

A． low lube oil temperature B． high ambient air temperature

C． low lube oil pressure D． high exhaust system back pressure

42．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 above．

43．Diesel engine control can be obtained by the bridge ______．

A． at any time

B． only after the engine room control station is switched to 'bridge control'

C． whenever the secondary station is switched to 'bridge control'

D． with the approval of the chief engineer only

44．High exhaust temperature and black smoke exhausting from an auxiliary diesel engine can be

caused by ______．

A．engine overload B．low combustion temperature

C．plugged fuel nozzle holes D．excessive compression pressure

45．Which of the following would cause a diesel to have black smoke?

A． leaky injector． B． water in the gas． C． too heavy oil． D． water in the oil．

46．Since the engine doesn't work well, you'd better _____ as soon as possible．

A．reduce its speed B．find out its trouble C．eliminate its trouble D．All the above．

47．To successfully reduce an excessively high diesel engine exhaust gas temperature, you should _____．

A． reduce the engine driven fuel pump outlet pressure

B． retard the fuel injector timing to reduce power

C． increase the fuel rack setting D． reduce the load on the engine

48．In a diesel engine, excessive cylinder liner wear will cause _____．

I． increased blow-by II． wear between the piston ring and groove

A. I only is correct B． II only is correct

C． both I and II are correct D． neither I or II are correct

49．Before installing the seal, every part of the ____ and the piston rod should be carefully cleaned．

A． bed-plate B． crankcase C． evaporator D． packing box

50．Morring winches are often combined with units so that one prime mover drives both．

A．crane B．hatch cover C．windlass D．steering gear

51．An increased pressure differential between the inlet and outlet of a strainer usually indicates the strainer is ______．

A． holed B． fouled C． clean D． dry

52．An independent bilge suction is required for _____．

A． ballast tanks B． sludge tanks

C． machinery space bilges D． cargo hold bilges

53．A dirty intercooler on an air compressor will cause _____．

A． damage to the un-loader operating diaphragm

B． an increase in current flow to the motor

C． high pressure in the receiver and filter D． an excessive consumption of crankcase oil

54．Pitting in the suction areas of a centrifugal pump bronze impeller is usually caused by _____．

A． cavitation B． electrolysis C． abrasion D． corrosion

55．Moisture in a D．C． motor would cause ___．

A． short circuit B． speed up C． slow down D． hunting

56．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

57．Aboard ship, a grounded field coil in an AC motor can be determined by using a _____．

A． portable growler B． galvanometer C． visual inspection D． megohmmeter

58．If the engine does not start on air, it may be due to______．

A． low compression of the fuel pumps B． incorrect timing of fuel pumps

C． the starting air valves stuck D． air-locks in fuel oil pipeline

59．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．

A． ahead or astern B． speed or direction C． up or down D． fore or aft．

60．_____ 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 engineer

C．The person on a bunker barge D． The duty deck officer

61．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 mode

62．STCW78/95 Convention describes that _____ are laid down for the certification of engineer officers in charge of a watch in a traditionally manned engine room, or the designated engineer in a periodically unmanned engine room．

A． available minimum requirements B． available maximum requirements

C． mandatory minimum requirements D． mandatory maximum requirements

63．The main steering gear must be able to steer the ship at maximum ahead service speed and be capable at this speed, and at the ship’s deepest service draught, of putting the rudder from 35 degrees on one side to 30 degrees on the other side within no _____．

A． more than 28 seconds B． more than 60 seconds

C． less than 28 seconds D． less than 60 seconds

64．What safety precautions should be observed by the crew while working around machinery in an engine room?

A． They should wear safety shoes． B． They should wear ear protection．

C． They should not wear jewelry． D． All of the above．

65．The Company should ensure that _____ documents are promptly removed．

A．absolute B． obsolete C． updated D． new

66．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

67．If you must enter a room or compartment to combat the fire , keep an escape path _____．

A． open B． close C． opens D． closes

68．If fuel tank levels are found to have increased after a grounding, you should suspect ___．

A． a puncture, crack, or hole in the skin of the vessel

B． a damaged pneumercator line

C． improper record keeping of fuel transfer activities

D． contamination of the contaminated steam supply system

二．关联题（每组关联题题干下有4个小题，每小题4个选项）

第一组：Fuel oil thought to be one of the main factors having much to do with the operation and maintenance of an engine．The fuel oil system for a diesel engine can be considered in tow parts-the fuel supply and the　fuel injection system．When the atomized fuel is injected into the combustion space, ignition is not altogether instantaneous, a definite　time lag being measurable between the time of injection and ignition．The period of ignition lag depends, among other factors, on the ignition　quality of the fuel and the temperature of the compressed air．

69．This paragraph tells us that ____ ．

A．ignition takes place before the injection of the atomized fuel

B．ignition takes place simultaneously with the injection of the atomized fuel

C．the period of ignition lag depends only the quality of the fuel and the temperature of the compressed air

D．the ignition quality of the fuel and the temperature of the compressed air are the two main factors for the period of ignition lag

70．Instantaneous in the passage probably means ____ ．

A．simultaneous B． before C．after D． when

71．The period of ignition lag depends on ____ ．

A．neither the quality of the fuel nor the temperature of the compressed air

B．the quality of the fuel but or the temperature of the compressed air

C．not only the quality of the fuel but also the temperature of the compressed air

D．the quality of the fuel and the quantity of fuel

72．The fuel oil system includes ____ ．

A．setting points and carbon residues B．viscosity and water content

C．cetane number and calorific value D．the fuel supply and the fuel injection system．

第二组：

Each type has its merits and most systems will deploy two or more of the above types of devices depending on the space being protected．

Within machinery spaces, ionization smoke detectors are generally considered the first line of defense． These devices monitor the electrical charge which occurs when combustion particles reach the charged space in the detector． So that the units can be readily tested an indicator light is provided on the sensor body． This lights up in the presence of gas from a test canister or even from the fumes off a cigarette．

73． Which of the following detectors are based on the charges or light principle?

A． smoke detectors B． heat sensors

C． temperature rising sensors D． flame detectors

74． In general,_______ of fire detectors are fitted on the compartment being protected

at least．

A． one type B． two types C． three types D． four types

75． Within engine room, ______sensors are arranged certainly．

A． smoke B． heat C． temperature rising D． flame

76． Which of the following statements is true?

A． The more types of fire detectors are fitted on the space being protected, the

more possible it is to avoid fire hazards．

B． Flame detectors are based on the light principle of fire detection．

C． Cigarette smoking may cause fire．

D． A test canister means it is necessary to sample fumes for detection fire．

三．中译英（共2题，请将答案写在答题纸上）

77．08点30分，主机气缸油柜补油至正常油位。

78．机舱实习生；禁止吸烟；柴油分油机；

中华人民共和国海事局306