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39803轮机英语

39803轮机英语
39803轮机英语

中华人民共和国海事局

2006年第1期海船船员适任证书全国统考试题(总第39期)

科目:轮机英语试卷代号:803

适用对象:无限、近洋航区3000KW及以上船舶大管轮

(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 thermal energy produced by an internal combustion engine is transformed into ______.

A. combustion energy

B. internal energy

C. external energy

D. mechanical energy

2.______became oval , it should be machined .

A. The upper half of cross-head bearing

B. The cross-head pin

C. The cross-head bearing

D. The cross-head guide plate

3.When considering the lowest fuel system operating temperature, ______are important.

A. specific gravity or relative density

B. open flash point and closed flash point values

C. higher calorific and lower calorific values

D. cloud point and pour point values

4.When the fuel oil is burning in the combustion chamber, it ______.

A. gives up large amount of heat

B. gives off large amount of heat

C. gives up large amount of steam

D. gives off large amount of steam

5.Now that the valve is not worth ______. I suggest it ______.

A. to repair/renewing

B. repairing/renewing

C. to repair/ be renewed

D. repairing/be renewed

6.The tendency for lubricating oil to thin out at high temperature and thicken at low temperature

will be characterized by a ______.

A. low viscosity index

B. high viscosity index

C. high neutralization number

D. low demulsibility((抗乳化性) quality

7.The centrifuge, settling tanks and ______are used to clean fuel oil.

A. balance tank

B. storage tank

C. service tank

D. filters

8.Which of the following actions should be taken if during a routine maintenance inspection of a

centrifugal pump, localized scoring on a pump shaft sleeve is detected?

A. Correct the cause of the scoring and repair the sleeve or replace with a new one.

B. Reassemble the unit and provide more water leak off for proper lubrication.

C. Check for parallel alignment of the sleeve radial faces to the sleeve bores.

D. Reassemble the unit and adjust the governor to obtain a slower speed. 9. A hot air start pipe indicates that there is ______.

A. inefficient cooling

B. a leaking air start valve

C. a clogged drain valve

D. a leaking air bottle

10. A restricted air intake to a diesel engine may result in the engine ______.

A. failing to reach rated speed

B. knocking under maximum load

C. hunting or surging under light load

D. overspeeding and running away

11.The turbo-blower comprises a gas turbine and a ______.

A. condenser

B. blower

C. soot blower

D. air receiver

12.Some vessels are equipped with a water lubricated stern tube. When at sea, operating under

normal conditions, the water service valve from the ship's saltwater system to the bearing should be ______.

A. closed, and no leakage permitted across the shaft packing

B. closed, and only slight leakage permitted across the shaft packing

C. opened, and no leakage permitted across the shaft packing

D. opened, and only slight leakage permitted across the shaft packing

13.Although lube oils used in the main lubricating service systems should have a relatively high

flash point to avoid ignition, they can create smoke and fire hazards when they ______.

A. are exposed to a vacuum

https://www.sodocs.net/doc/4211905300.html,e in contact with extremely hot surfaces

C. are reduced in temperature to just above the pour point

D. become extremely agitated(激动的) or aerated (充气、通风)

14.An increase in load on a diesel engine results in ______of speed of the crankshaft.

A. a reduction

B. an increase

C. an outing

D. a downwards

15.We can control the speed of the engine by ______the quantity of oil supplied.

A. exchanging

B. regulating

C. adjusting

D. differing from

16.Wear in parts of exhaust valve operation gear will tend to ______the tappet clearance.

A. increase

B. reduce

C. rise

D. reduction.

17.The most suitable pump for oily water separator feed duties is______.

A. a reciprocating pump

B. a vane pump

C. a centrifugal pump

D. a triple screw pump

18. A centrifugal pump vibrates excessively during operation. Upon disassembling the pump it is

found that the impeller is out of balance. Without an available spare, you should ______.

A. drill holes through the heavy side of the impeller until it balances

B. weld counterweights(平衡物) to the light side of the impeller

C. remove metal from the heavy side by machining in a lathe

D. acid wash and scrape the heavy side until it balances

19.Improper maintenance of an automatic auxiliary boiler oil burner could result in ______.

A. fuel pump failure

B. fan motor failure

C. increased feed-water consumption

D. decreased boiler efficiency

20.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 hand-hole/manhole covers should be tightened up as much as possible to

preclude any leaks

D. All of the above

21.Diesel engine fuel oil leakage should be drained and additional precautions provided to ______.

A. return this oil to the proper storage tank

B. prevent contamination of lubricating oil by fuel oil

C. ascertain an accurate measurement of this leakage

D. drain cooling water system components

22.The operating water is supplied under the ______of an oil separator.

A. sliding bowl bottom

B. bowl hood

C. bowl

D. filter units

23.An oil water monitor is required in order to measure ______.

A. the oil content in water

B. the water content in fuel oil

C. the water level in bilge well

D. the oil level in bilge well

24.The clutch band of a constant tensioning mooring winch must be set up tight enough to drive the

winch drum and should slip only when ______.

A. excessive loads are placed on the winch

B. minimum pull is being exerted by the winch

C. automatic operation of the winch is desired

D. wire is being retrieved at the maximum rate

25. A class ‘ C' fire would most likely occur in the ______.

A. engine room bilges

B. main switchboard

C. paint locker

D. rag bin

26.What color is used to indicate the last shot of anchor chain?

A. Red

B. White

C. Blue

D. Yellow

27.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

28.If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be ______.

A. a low load on the unit

B. a clogged pump suction strainer

C. a blockage in the line between the pump and hydraulic motor

D. the hydraulic motor turning too fast

29.In the hydraulic system, _____ is the power unit.

A. oil pump

B. control valve

C. hydraulic motor

D. fittings

30.Excessively low air pressure occurring in the intercooler of a reciprocating air compressor is

caused by ______.

A. leaky discharge valves on the LP cylinder

B. leaky discharge valves on the HP cylinder

C. insufficient intercooler cooling

D. low ambient air pressure

31.Which of the following statements is true concerning any evaporator?

A. High conductivity of the distillate indicates distillate salinity is excessive.

B. Increasing the absolute pressure of the shell will increase the distiller's capacity.

C. Mesh separators are used in evaporators to filter the distillate.

D. Reducing the brine density will reduce the heat lost overboard.

32.Sweating of the refrigeration system compressor crankcase is caused by ______.

A. too much superheat

B. insufficient superheat

C. suction pressure too low

D. excessive refrigerant returning to the compressor

33.Sludge may form in the crankcase of an air conditioning compressor as a result of ______.

A. bubbling refrigerant

B. overheating and oxidation

C. lowered operating temperatures

D. reducing the cloud or flash point

34.Which of the listed problems could produce a high absolute pressure within a flash type

evaporator?

A. production of high salinity distillate

B. seawater feed temperature below 165℃

C. a leak in the first stage demister

D. a cracked distillate pump vent line

35.Increasing the moisture content of conditioned air is known as ______.

A. moisturizing

B. dehumidification

C. dampening

D. humidification

36.To increase the frequency of an operating AC generator, you should ______.

A. increase the field excitation

B. decrease the field excitation

C. increase the number of magnetic poles

D. increase the speed of the prime mover

37.An alternator switchboard has a synchroscope and synchronizing lamps. If the synchroscope is

broken, which of the steps listed is the most essential before an alternator can be paralleled with the bus?

A. The breaker should be closed when one synchronizing lamp is dark and the other

is bright.

B. The breaker should be closed when both synchronizing lamps are bright.

C. The frequency meter should be used to determine that the incoming alternator

frequency is slightly higher than the bus.

D. A portable phase sequence indicator must be used to verify the information from

the lamps.

38.The most important factor in engine performance is the actual power output at the end of the

crankshaft available for doing work. This is known as ______.

A. indicated horsepower

B.brake horsepower

C. net horsepower

D. friction horsepower

39.Temperature measurement by instruments will give a value in degree Celsius. This scale of

measurement is normally used for all readings and temperature values _____dealing with

theoretical calculations involving the gas laws.

A. in addition to

B. in addition that

C. except that

D. except when

40.The viscosity regulator controls the fuel oil temperature ______provide oil at the correct viscosity

for combustion.

A. in order that

B. because of

C. in order to

D. owing to

41.Which of the listed items will stop a motor due to a reduction in voltage and restart it when the

voltage is restored to normal?

A. Low voltage protection circuit

B. Non-renewable link fuse

C. Renewable link fuse

D. Low voltage release circuit

42. 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 above

43.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

44.Shims of different thicknesses are inserted between the shells to enable adjustment of ______.

A. the bearing clearances

B. the bearing thickness

C. the bearing strength

D. the bridge hardness

45.In a diesel engine, an extremely leaking exhaust valve can cause ______.

A. misfiring

B. pre-ignition

C. interrupted scavenging

D. reduced scavenging

46.One cylinder of a diesel engine is persistently knocking and does not cease when the fuel supply

to th at cylinder is secured. Which of the following problems may be the cause?

A. Low loading of the cylinder.

B. Excessive cooling of that piston.

C. Sluggish ring action on the piston.

D. A mechanical defect in a working part.

47. A diesel engine is operating with excessively high exhaust temperatures at all cylinders. To

correct this condition, you should first______.

A. reduce the engine load

B. increase the cooling water flow

C. increase the lube oil pressure

D. adjust the fuel rack

48.Any increase in the exhaust back pressure of a four-stroke/cycle diesel engine will ______.

A. reduce engine horsepower output

B. aid in silencing the exhaust noise

C. increase the mean effective pressure

D. contribute to effective cylinder scavenging

49.Hearing a strong noise, ______at once.

A. the engine stopped

B. the engine was stopped

C. he stopped the engine

D. he had stopped the engine

50.Fix the fuel injector into ______after repair.

A. the cylinder liner

B. the cylinder cover

C. the cylinder jacket

D. the piston

51.The reciprocating pump can’t draw water from a tank may be caused by ______.

A. leaky suction pipe

B. opened inlet valve

C. too much water in tank

D. None of the above

52.Diesel engine exhaust temperatures may be used to indicate ______.

A. leaking exhaust valves

B. an overlo aded cylinder ______.

C. a clogged injector nozzle

D. all of the above.

53.Oil mist detectors are usually used on board to detect oil mist density within ______.

A. the engine cr ankcase

B. the engine scavenge boxes

C. drain tanks

D. fuel tanks 54.The resistance of electric wire will decrease as its ______.

A. length increases

B. cross-sectional area increases

C. temperature increases

D. percent of metallic purities increases

55.When starting a reciprocating pump, the discharge valve should be ______.

A. closed

B. opened fully

C. cracked open

D. partly open

56.For the proper control of the air temperature in an air conditioning system using chilled water

circulation, which of the listed conditions should remain constant regardless of load changes?

A. Chilled water system supply temperature.

B. Chilled water system return temperature.

C. Compressor discharge temperature.

D. Compressor suction pressure..

57.Tools with ______handles should be used to check electric circuit.

A. plastic

B. metal

C. stainless steel

D. copper

58.It is well known that the whole power distribution of the ship’s electrical services mainly

depend on the ______.

A. sub-boards

B. main switchboards

C. emergency switchboards

D. distribution boards

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. A moving object will not accelerate or decelerate ______a force is applied to it.

A. whether

B. if

C. unless

D. till

61.If the buoyant force on a ship's hull is equal to or greater than the displacement tonnage, the ship

will ______.

A. require ballast added to only the port side tanks

B. be down by the head

C. sink

D. float

62.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

63. A ______sometimes called filter, is a device designed to prevent the passage of unwanted solids

into the system.

A. Steam trap

B. Check valve

C. Separator

D. Strainer

64.When entering a foam injected space ,you must ______breathing apparatus.

A. put out

B. put on

C. take off

D. take in

65.If a fire occurs in the boiler room as a result of a leaking fuel line, you should FIRST ______.

A. notify the engineer on watch

B. isolate and secure the piping

C. throw sand on the fire

D. extinguish the fire using a combination nozzle with applicator

66.Before starting a diesel engine that has an engine driven lube oil pump, the engineer should

______.

A. open the bypass line

B. cut in the lube oil cooler

C. pressurize the lube oil system

D. top off the expansion tank

67.A(An) ______should be issued for every company complying with the requirement of the ISM

Code by the Administration.

A. ISM

B. DOC

C. SMC

D. PSC

68.The essence(基本) of an abandon ship drill is that the survival crafts are manned and operated

by the crew members assigned to them on the ______.

A. fire control plan

B. fire drill

C. muster list

D. All of the above.

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:

The engine performance is usually evaluated by comparing them with the corresponding observations from when the ship was new. The best and most simple method of summarizing and obtaining a clear picture of the parameter changes is to use the synopsis(大纲) diagram, which includes a model curve and an actual service curve. These curves illustrate the functional relationship between the measured data and the parameter they are most dependent on or related to. A deviation curve can also be drawn based on the above-mentioned two curves. From the deviation curve, it is possible to easily follow the development and to determine which engine components should be overhauled, and also, from the slope of the curve, to determine approximately when the overhaul should be carried out.

The mean indicated pressure is a very important parameter, and it, to a certain extent, represents the engine output, therefore the data of many other important parameters are analyzed as the function of the mean indicated pressure. In a synopsis(大纲)diagram of the engine revolution, deviations from the model curve show whether the propeller is light or heavy, i.e.

whether the torque on the propeller is small or large for a specified engine revolution. It is possible to judge whether the alterations are due to changes in the draught, or an increase in the propulsion resistance, for instance due to fouling of the hull. Valuable information is hereby obtained for determining a suitable docking schedule.

69.By which curve can we determine some engine components should be overhauled ?

A. a model curve

B. an actual curve

C. a MIP curve

D. a deviation curve

70.According to the passage, to a certain extent, the engine output may be indicated by ______.

A. the torque on the propeller

B. the fouling of the hull

C. the RPM of the engine

D. the MIP of the engine

71.The word “ deviation ” in this passage means ______.

A. the synopsis diagram

B. the model value

C. the actual value

D. the difference between B and C

72.The torque on the propeller may vary with ______.

A. changes in the ship’s draught

B. an increase in the propulsion resistance

C. fouling of the ship’s hull

D. all the above

第二组:

Under the terms of the ISPS Code, shipping companies are required to designate a Company Security Officer (CSO) for the company and a Ship Security Officer (SSO) for each of its ships.

The CSO’s responsibilities include ensuring that a Ship Security Assessment (SSA) is properly

carried out, that Ship Security Plans (SSPs) are prepared and submitted for approval by the

Administration and thereafter that the plan is implemented on board each ship.

The Ship Security Plan should indicate the minimum operational and physical security

measures that the ship itself should implement at all times (i.e. security level

1) unless required to operate at a higher security level. The plan should also indicate the

additional, or intensified, security measures the ship can take to move to and operate at security level 2 when instructed to do so. Furthermore, the plan should indicate the possible preparatory actions the ship could take to allow prompt response to instructions that may be issued to the ship at security level 3.

73.Under the terms of the ISPS code, a shipping company is required to designate ______.

A.SCO

B.SSO

C. CSO and SSO

D.SSP and SSA

74.Which one of CSO’ responsibilities is NOT mentioned in the passage?

A.ensuring that the SSA is properly carried out

B.ensuring that SSPs are prepared and submitted for approval

C.ensuring that the SSA is implemented on board each ship

D.performing regular security inspections of the ship

75.The SSP should contain all of the following items except______.

A.minimum operational and physical security measures to be taken at security level 1

B.additional security measures to be taken at security level 2

C.intensified security measures to be taken at security level 3

D.procedures for SSA

76.In order to respond quickly to instructions that may be issued to the ship at security level 3,

besides additional intensified security measures ______should be included in the ship’s SSP.

A.minimum security measures

B.preparatory actions that could be taken

C.orders from SSO

D.orders from CSO

三、中译英(共2题,请将答案写在答题纸上)

77. 2号副机的所有气缸盖、活塞、缸套、连杆、活塞销及销承、轴承全部拆卸彻底清

洁。测量活塞直径、环槽、缸套直径、主轴颈及曲柄销直径、轴承厚度,并做记录。缸盖上各气阀需拆检和研磨,油头试验,损坏的零件修理或换新。

78.厂长先生:

我们很遗憾地通知你,下列机器部件发现损坏。我们要求你厂进行赔偿:9月3日主机4号缸发生敲缸;9月5日主机4号缸活塞发现裂纹;9月7日发现主机涡轮机叶片被损坏。

上述机损是由于安装不妥及使用劣质材料所引起。我们随信附上一份劳氏船级社所出具的检验报告。

轮机英语课文 2

Lesson 39 Maritime Labour Convention 2006 Text The Maritime Labour Convention(MLC2006)was adopted by ILO in February2006,which provides comprehensive rights and protection at work for the world’s more than 1.2 million seafarers. Regulation 2.3-Hours of work and hours of rest. Purpose:To ensure that seafarers have regulated hours of work or hours of rest. 1.Each Member shall ensure that the hours of work or hours of rest for seafarers are regulated. 2.Each Member shall establish maximum hours of work or minimum hours of work rest over given periods that are consistent with the provisions in the Code. Standard A 2.3-Hours of work and hours of rest 1.For the purpose of this Standard,the term: (a)hours of work means time during which seafarers are required to do work on account of the ship ; (b)Hours of rest means time outside hours of work ;this term does not include short breaks. 2.Each Member shall within the limits set out in paragraphs 5 to 8 of this Standard fix either a maximum number of hours of work which shall not be exceeded in a given period of time ,or a minimum number of hours

轮机英语专业词汇

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engine 十字头式发动机 crosshead engine 筒形活塞式发动机 trunk-ppiston engine 涡轮增压式发动机 turbocharge engine 固定部件 fixed parts 耐磨部件 wear parts 运动部件 moving parts 互换部件 interchangeable parts 气缸套 cylinder liner 示功阀 indicator cock(indicator valve) 安全阀 safety valve 气缸启动阀cylinder air starting valve 缸套顶圈 head ring for cylinder liner 排气阀 exhaust valve 进气阀 air inlet valve(suction valve) 气阀传动机构 valve driving mechanism 顶杆 tapper rod 推杆 push rod

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