轮机英语题

轮机英语部分题目

一、选择题

1. In conventional systems, the injection pressure ____, while it’s ____ common rail diesel engines.

A. fluctuates with the engine speed to some extent; independent of the engine speed

B. keeps constant at all engine speed ; dependent on the engine speed to some extent

C. keeps constant at all engine speed; independent of the engine speed.

D. is decided by the engine speed; constant at all engine speed

2. The tube in a boiler should be blinded if found________.

A. scaled B. informed C. leaky D. deformed

3. ________ tappet clearance will cause the exhaust valve to open late and close early in cycle and will reduce its maximum lift.

A. Correct B. Insufficient C. Excessive D. None of the above

4. To minimize corrosion, fuel oil strainer disks, spacers and scraper blades are made of _____.

A ．brass B．copper C．iron D．monel metal or stainless steel

5. When comparing different fuels for different engines, the ignition quality of diesel fuel oils becomes a less critical consideration as ______________.

A ．the amount of lube oil additives increase B．piston speeds increase

C ．injection pressure decrease D．engine speeds decrease

6. A magnetic strainer is used in the diesel engine reduction gear oil system to remove small particles of ____.

A. water B. babbitt C. iron or steel D. acids

7. Indications of ____are loss in power and irregular running of the engine, high exhaust temperatures of corresponding units, high local temperature in scavenge trunk, surging of turbocharger, and sparks and smoke emitted from scavenge drains.

A. a crankcase B. a scavenge fire

C. abnormal compression ratio D. incorrect air / fuel ratio

8. A clearly visible benefit of RT-Flex engines is their ____ operation at all ship speeds. This is achieved by the superior combustion performance.

A. shockless B. smokeless C. no vibration D. noiseless

9. After a normal, or safety shutdown, automatic combustion control systems for an auxiliary boiler are designed to prevent the immediate refiring of a burner in order for the________.

A. furnace to be re-purged B. electric charge to buildup in the igniter

C. fuel pump to restart D. dream level to stabilize

10. The function of a centrifugal pump double volute casing is to _____.

A. reduce radial thrust to the impeller

B. double the liquid velocity through the pump when compared to a single volute

C. reduce hydraulic end thrust

D. provide the effect of multi-staging

11. _____ allows the engine to be placed wherever is most suitable, as they no longer

have to be aligned with reduction gearing and shafting as is the case with

conventional installations.

A ．Diesel engine propulsion B．Diesel electric propulsion

C ．Steam engine propulsion D．Gas turbine propulsion

12. Before disconnecting a joint in a pipeline, you should _______.

A. determine the size of the gasket B. hang a bucket under the joint

C. have a first aid kit on hand D. be sure no pressure exists in the line

13. Which of the following would not be burnt in an incinerator on board?

A. waste oil B. waste clothes C. oil rags D. plastic garbage

14. In which of the areas listed would you expect to find the highest salt

concentration in a flash evaporator?

A. Distiller air ejector cooling medium B. Saltwater heater discharge

C. First-stage internal feed box D. Second-stage internal feed box

15. The normal color of the exhaust gas of the diesel should be _______.

A. achromatism or thin gray B. thin white C. sky-blue D. black

16. After finished with engine, which of the following cannot be shut off by the

duty engineer?

A. fuel valve B. the main starting valve C. the sea chest D. the main sea water pump inlet valve

17. Before the seas get rough, it is a good safety practice to _______.

A. secure loose gear B. move quickly about the ship

C. increase lighting D. shutdown auxiliary equipment

18. The correct tightening is obtained by the use of ______ to measure the extension

given to the bolts.

A. pressure gauges B. thermometers C. stretch gauges D. bridge gauges

19. In the Oil Record Book, a comprehensive list of operational items are grouped

into operational sections Each section is codified by a/an ________

A. number B. abbreviation C. letter D. number, abbreviation and letter

20. Under MARPOL Code the ship to which it applies has to carry_______.

A. an International Ship Security Certificate B. an International Oil Pollution Prevention Certificate

C. a Safety Management Certificate D. an International Ballast Water Management Certificate

21. “Insufficiency of manning or insufficiency of certification of seafarers” i s

an identification of a ________

A. substandard ship B. standard ship C. over-standard ship D. reference ship

22. STCW 78/95 Convention shall apply to seafarers _____ on board seagoing ship

entitled to fly the flag of a Party.

A.served B. serving C. surveyed D. surveying

23. The officer in charge of the engineering _______ the watch to the relieving

officer if there is reason to believe that the latter is obviously not capable

of carrying out the watch-keeping duties effectively.

A. shall take over B. shall not take over C. shall hand over D. shall not hand over

24. When the order given by bridge may have bad results, the duty engineer

should_____

A. inform the captain for a further consideration

B. inform the captain, and not perform it

C. stop the M/E immediately, and then inform the chief engineer

D. stop the M/E immediately, and then inform the captain

25. If it becomes necessary to pump bilges while a vessel is in port, which of the

following procedures should be followed?

A. Pump only if the discharge is led to a shore tank or barge

B. Pump only during the hours of darkness

C. Pump only on the outgoing tide

D. Pump only as much as is necessary

26. In the voyage, when carrying out abandon ship drill, ________ should be test

every time.

A. the emergency lighting system for muster and abandon ship

B. air/oil emergency shut-down

C. M.E. emergency operation

D. main/auxiliary steering gear changing

27. The difference between measured and desired values is called______.

A. make-up B. desired value C. deviation D. set value

28. This arrangement is ______if the elements are directly connected to one another

and the control action takes place without human involvement.

A. a manual closed loop B. a manual opened loop

C. an automatic closed loop D. an automatic opened loop

29. Ammeters and voltmeters used in sinusoidal AC power systems indicate which of

the following values of the waveforms measured?

A. Peak value B. Root-mean-square value C. Average value D.

Maximum value

30. Engine protection by means of an alarm or shutdown control can be obtained with

devices that are sensitive to ______.

A. temperature B. pressure C. engine speed D. all of the

above

31. With a ______ load the voltage and current are in phase.

A. purely resistance B. capacitive C. inductive D. None of the above

32. When under maneuvering conditions with the machinery being manually operated

the control unit or console should be _____

A. automatically controlled B. continuously manned

C. off power D. None of the above is true

33. _____ 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 speed

34. Duties shall be so organized by the chief engineer officer that the first watch

at the commencement of a voyage and the subsequent relieving watches are _____

and otherwise fit for duty.

A. well trained B. in good luck C. in good health D. sufficiently rested

35. All engineer officers and engine room ratings shall be aware of the serious

effects of operational or accidental pollution of the marine environment and

shall take all possible _____ to prevent such pollution, particularly within

the framework of relevant international and port regulations.

A. steps B. procedures C. precautions D. programs

36. ________means the Government of the State whose flag the ship is entitled to

fly.

A. Assembly B. Organization C. Company D. Administration

37. The Company should ensure that _____ involved in the Company's SMS have an

adequate understanding of relevant rules, regulations, codes and guidelines.

A. masters B. chief engineers C. crew D. all personnel

38. The load on the crosshead pin is always ______, so it is the ______ half of

the bearing which is subject to wear.

A. upwards / top B. upwards / bottom C. downwards / top D. downwards / bottom

39. The bearing cap and shell are replaced and tightened up until ______.

A. the “ nip ”is zero B. the “ nap ” is zero C. the “gap” is correct D. the “clearance” is correct

40. The amount of fluid delivered by a helical pump can be regulated by _____.

A. throttling the pressure line B. changing the speed of the rotor

C. either A or B D. None of the above is tree.

41. Throttling in the _____ line of a centrifugal pump involves the risk of the pump

cavitation.

A. suction B. exhaust C. pressure D. discharge

42. Under which of the listed conditions can the engine room retake the throttle

control from the bridge _____.

A. Any time it is deemed necessary. B. Only with the master’s permission.

C. After a 10 minute delay to the input command. D. Only after the throttle has been placed in stop.

43. A switchboard for an AC electrical system requires the use of which of the

following devices _____.

A. Frequency meter B. Ohmmeter C. Induction voltage regulator D. Current transformer governor

44. The main generators are connected to _ _____.

A. distribution boards B. section boards

C. emergency switch boards D. main switch boards

45. 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 surface

46. 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. fore or aft C. up or down D. speed or direction

47. The officer in charge of the engineering watch shall continue to be responsible

for machinery space operations, the presence of the chief engineer officer in the machinery spaces.

A. as long as B. unless C. despite D. till

48. The requirements of the ISM Code may be applied to ____ _.

A. only oil tankers B. only passenger ships C. only containers D. all ships

49. The frequency of an AC generator is controlled by the _____.

A. rheostat B. governor C. exciter D. capacitor

50. Electric circuits are protected against overloads and short circuits by means

of a/an _____.

A. circuit breaker B. amplifier C. diode D. capacitor

二、英汉互译

烟囱 绞缆机 故障 电枢 断路器 伸缩套管 粗分离室 交班 交流发电机 焊裂 励磁 凝水泵 起重绞车 主配电板 液击 航行值班 航行值班 油类记录本 救生演习 港口国监督

1. 辅锅炉是一种辅助锅炉，有时安装在蒸汽机船上，以便在船舶靠港期间向辅助机械提供蒸汽。

2. 发现1号甲板起货机电动机的电枢绕组绝缘低，绕组重绕、上漆并烘干。

将舱底水经油水分离器排出舷外。

3. The bearing shells often have a thin flash of lead or indium to provide a layer giving protection against corrosion.