轮机英语8套(1)
1.The officer in charge of the engineerig watch shall ensure that at all times bridge orders relating to changes in ___ of operation are immediately implemented.
A. fore and aft
B. ahead or astern
C. speed or direction
D. up or down
2.Small oil spills on deck can be prevented from contaminating any waters by____.
A.plugging all scuppers and drains
B.thoroughly draining all bunkering hoses
C.regularly emptying all drip pans
D.placing floating booms around the ship
3.The main purpose of warming up the main engine is____.
A. to reduce heat stress
B. to reduce low temperture corrosion
C. to improve firing and starting performance
D. for fuel saving
4.In order to reduce the chance of detentions ships should routinely verify the following except for____.
A.fan damper operation is smooth and operates through the full range of open to close.
B.fan damper locking pins are free to be removed without significant effort.
C.fan damper operating handles are free to move without significant effort.
D.fan damper are properly coated with white paint.
5.The purpose of the____in a vapour compression cycle is to accept the hot, high-pressure gas from the compressor and cool it to remove first the superheat and then the latent heat.
A.expansion valve
B.conderser
https://www.360docs.net/doc/5d5364215.html,pressor
D.evaporator
6.The energy consumed by an AC motor, as strictly reacitive power, is____.
https://www.360docs.net/doc/5d5364215.html,ed to do mechanical work
B.lost in doing work to turn the motor itself
https://www.360docs.net/doc/5d5364215.html,ed to establish the magnetic fiedl of the motor
D.lost as heat generated by the windings.
7.A diesle engine will lose power if fuel injection occurs too early because the ________.
A.fuel will not be properly atomized in the cylinder
B.maximum fuel expansion will occur on the compression stroke
C.ignition will be delayed due to low ignition temperature
D.fuel will ignite before top dead center
8.The designed___ is 20 tons per day, but the fresh water generator can only distill 15 tons at present.
A.power
B.capacity
C.displacement
D.weight
9.The depth of the ship below the waterline mesured vertically to the lowest part of the hull is called____.
A.tonnage
B.trim
C.draft
D.lean
10.The hydraulic system of a deck winch has been drained, flushed, and refilled with
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hydraulic fluid. An erratic knocking noise from the haydraulic motor when the winch is started would indicate___ .
A.clogged suction line fluid filters
B.air trapped in the system
C.the fluid level in the reservoir is too high
D.abrasive matter circulating in the oil
11.As a duty engineer, as soon as you hear the fire emergency signal, you should ensure that the ___.
A.ring buoys are thrown overboard
B.fire pumps are started
C.engines are stopped
D.life preservers have been issured to everyone
12.Which of the following problems could develop due to the accumulation of oil vapors in the crankcase of a diesel engine?
A.Reduced lubrication
B.Poor fuel economy
https://www.360docs.net/doc/5d5364215.html,bustion knock
D.Crankcase explosion
13.All details of fuel bunkering, ballast handling, tank cleaning or slop disposal must be entered in the ___.
A.ballast log
B.muster log
C.engine room log
D.oil record book
14.The cetane rating of diesel fuel is an indication of the ____.
A.rate of fuel consumption
B.ignition quality of the fuel
C.calorific value of the fuel
https://www.360docs.net/doc/5d5364215.html,sh point of the fuel
15.In the voyage, when carring out abandon ship drill,___ should be tested every time.
A.M.E.emergency operation
B.main/auxiliary steering gear changing
C.air/oil emergency shut-down
D.the emergency lighting system for muster and abandon ship
16.The Master should call___ for permission to use chemical agents in respoinse to oil pollution into the sea.
A. the port state
B. the coastal state
C. the flag state
D. the shipping company
17.___ assists to emulsify oil and water into an even emulsion mixture for a fine atomizing of an incinerator
A.An intermittent vibration
B.An intermittent agitation
C.A continuous agitation
D.A continuous vibration
https://www.360docs.net/doc/5d5364215.html,bustion knock will most likely occur as a result of using a fuel with ____.
A. a high cetane number
B. low igition quality
C. low ignition delay
D. a hgih volatility
19.Which of the following is operated from the main engine room console on an automated vessel?
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A.Shaft alley door and fixed CO2 release
B.Lube oil pump and distilling plant
C.Distiling plant and shaft alley door
D.Fire pump and lube oil pump
20.____ means the level for which minimum appropriate protective security measures shall be maintained at all times,
threats and exchanging such information with appropriate Contracting Governments.
A.Security level4
B.Security level3
C.Security level2
D.Security level1
21.Each cylinder has one starting valve which is usually opened by air pressure and closed by_____.
A.spring force
B.new joints
C.nuts and bolts
D.sealing rings
22.____ is porvided to alternators, in the event of prime mover failure to ensure that the alternator does not act as a motor.
A.Frequency meter
B.Reverse current protection
C.Reverse power protection
D.Synchronising device
23.To avoid water "carry-over" in a boiler, you should___.
A.increase the feed water alkalinity
B.raise the boiler water level
C.increase the steam output
D.remove the scum
24.The successful operation of any engine or machine and its trouble free life depends on ____ which involves the formation and maintenance of a lubricating oil film between the moving parts.
A.effective cooling
B.effective lubrication
C.maintenance
D.the support
25.Fueses placed in series with a thermal trip-type circuit breaker are used for____.
A.short duration surge protection
B.shor-circuit protection
C.sustained overload protection
D.time-delay protection
26.The master may suspend the schedule of hours of rest in the following circumstances EXCEPT___.
A.Cargo on board is in danger
B.The seafarer wants to have extra pay by working overtime
C.Help another ship in distress.
D.The safety of the ship is threatened.
27.In a radial piston pump, reversal and control of fluid flow are accomplished by moving the ____.
A. radial plunger
B. cylinder body
C. central valve
D. floating ring
28.The main generators are connected to ___.
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A. main switch boards
B. distribution boards
C. emergency switch boards
D. section boards
29.A class 'B' fire would most likely occur in the ___.
A.electric fresh water transfer pump
B.engine room bilge
C.breathing compartment
D.main swithboard
30.The most common diesen engine fuel system problems are caused by ___.
A.excessive vibration
B.brokern fuel lines
C.incorrect adjustments
D.dirty fuel
31.___of the controllable pitch propeller enables the blades to be moved to change the pitch angle.
A.A hunting gear system
B.An internal mechanism
C.An interlock device
D.An external mechanism
32.In a refrigeration system, foaming of the crankcase oil may cause the ___.
A. expansion valve to overfeed.
B. crankcase drains to plug
C. water regulating valve to fail
D. compressor to knock
33.Enhanced procedures concerning the exercise of___ have been developed to allow intervention in the case of deficiencies deemed to pose a danger to persons, property or the environment.
A.flag state control
B.safety inspection
C.fire and boat drill
D.port state controll
34.Which of the following problems will occur if a disk-type centrifugal lube oil purifier is not properly primed prior to admitting oil flow to the bowl?
A.Contamination fo the lube oil by emusification will result.
B.Oil will discharge from the heavy phase discharge port and be wasted.
C.The lube oil will ot be subjected to the proper centrifugal force.
D.The lube oil will overheat and flash.
35.According to STCW CODE, an engineer officer must possess which of the following functions?
A.Radio communications
B.Cargo handling and stowage
C.Navigation
D.Controlling the operation of the ship and care for persons on board.
36.In a ordinary cargo crane, ___ is fitted to rotate the crane.
A.the hoisting motor
B.the fan motor
C.the luffing motor
D.the slewing motro
37.Which of the following components are used to convert alternating current produced in the generator windings to direct current?
https://www.360docs.net/doc/5d5364215.html,mutator and crushes
B.Armature and equalizer
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C.Field and exciter
D.Rotro and interpoles
38.Oil mist detctors are usually used on board to detect oil mist density within ___.
A.the engine crankcase
B.fuel tanks
C.drain tanks
D.the engine scavenge boxes.
39.A diesel engine could fail to start because of ____.
A.excessive cranking speed
B.low exhaust back pressure
C.floating exhaust valves
D.incorrect injection timing
40.To prevent excessive ____ in the transverse girders, the tie bolts are positioned as close to the center of the crankshaft as possible.
A.bending moments
B.surface tensions
C.thermal loads
D.thermal stresses
41.Before reassembling any machinery, you should____.
A.apply a heavy coat of oil to all mating surfaces.
B.replace all bearings regardless of length of service
C.coat all parts with ale mite grease
D.clean any corroded surfaces and file all burrs smooth
42.The diesle engine is similar to the gasoline engine in that___
A.both of them are ignited by compressed air
B.both of them are the forms of external combustion engines
C.the power is developed by the piston in the cylinder
D.both of them have spark plugs
43.Which of the following statements represents the main difference between an relay and a contactor?
A.A relay is series connected and a contactor is parallel connected.
B.Contactors are made from silver and relays are made from copper.
C.Contactors control current and relays control voltage.
D.Contactors
can handle heavier loads than relays.
44.When fighting a spreading fire resulting from a broken fuel line, you should FIRST ____.
https://www.360docs.net/doc/5d5364215.html,e a soda acid extinguisher
B.look for a CO2 extinguisher
C.shut off the fuel supply
D.smother the fire with rags
45.If the bowl speed of the oil purifier is always lower than the rated speed, which cause is incorrect?
A.The friction pads are slippery.
B.The brake isn't released.
C.The motor is out of order.
D.The throughput is high.
46.The term 'diesel engine scavenging' means___.
A.forcing the products of combustion out of the cylinder with the fresh air charge
B.collecting the air charge at the air cleaner
https://www.360docs.net/doc/5d5364215.html,bustion and expansion of hot gas
D.delivering more air into the cylinder thant it would normally receive during an ordinary charging process
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47.Movement of engine no longer required means ____.
A.No Engine Revolutions
B.Finished With Engine
C.Stand-by Engine
D.Stop Engine
48.The engineer officer in charge of the watch shall ensure that ___ are kept under constant surveillance.
A. the steering gear
B. the main propulsion plant and auxiliary systems
C. the devices and systems in charge
D. the communication devices
49.What must ocean going vessels of 100GT to 400GT be fitted with for oily mixtures?
A.A portable system to discharge oily mixtures to a reception facility
B.A portable system to discharge the slops overboard
C.A fixed system to discharge the slops overboard
D.A fixed system to discharge oily mixtures to a reception facility
50.If the sea water supply pressure for a diesel engine cooling system is below normal, you should check for a____
A.clogged sea water strainer
B.blown head gasket
C.broken thermostat
D.cracked head
51.The rules and regulation for maritime safety are governed by___
A.The MARPOL Code
B.The STCW Code
C.The 2006 Labor Code
D.the international convention for the safety of life at sea, better know as SOLAS 52.When cutting sheet metal too thin to be held in your hand while using a hand held hacksaw, the sheet metal should be placed between two ___.
A.blocks of wood
B.blocks of steel
C.pieces of sand paper
D.pieces of cloth
53.What function is provided by the crankcase ventilation system on some diesel engines?
A.Increases the sludge forming tendency of lube oil.
B.Prevents the accumulation of combustible gases.
C.Improves cold weather starting
D.Improves lube oil cooling
54.To equalize the power factor of two alternators operating in parallel, the ___.
A.kilowatt load is evenly divided
B.phase sequence is altered
C.field excitation of both units is adjusted
https://www.360docs.net/doc/5d5364215.html,ernors of both units are adjusted
55.____ are to be carried out at least twice within a five-year period.
A.Docking surveys
B.Annual surveys
C.Intermediate surveys
D.Special surveys
56.In common rail engines, the fuel is ____ before is injected into the cylinders.
A.already atomized
B.pumped by the injection pump
C.stored in a common fuel line
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D.at low pressure
57.The valid period of the International Oil Pollution Prevention Certificate on board isn't more than ___
A. five years
B. two years
C. one year
D. four years
58.If found oil when we open low oil level plug of separator, it indicates ____.
A. the temperature of oil water is low
B. the separator is overloaded
C. the monitor equipment of separator fails
D. the discharge pump of separator can not work
59.The construction of the main propulsion engine lube oil sump should___.
A.have no plating joints of 90
B.provide drain/return lines that are no greater than 24 inches from the pump suction
C.be provided with only a perferctly horizontal bottom
D.retain the lube oil as long as possible before it recirculates through the system
60.The___ in the steering gear system conveys a signal or desired rudder angle from the bridge(wheel house)
A.transmission mechanisms
B.gittings and pipeline
C.power unit
D.control equipment
61.___are used to reduce the sparking which occurs as the current collecting brushes move across the insulated segments
A.Winds
B.Field coils
C.Isolators
D.Interpoles
62.The piston rings exert a varying pressure on the liner walls under conditions involving ____.
A.constant speed
B.good lubrication
C.reversal of direction of motion
D.slowly changing speed
63.If a ship is to be laid up for an indefinite period, the saltwater side of the main condenser should be____
A.left filled with saltwater with the sea valves closed
B.drained and dried out after closing the sea valves
C.left filled with daltwater with the sea valves open
D.drained an refilled with saltwater after closing the sea valves
64.Saltwater is typically provided to a refrigeration system to ___.
A.prevent refrigerant superheating
B.cool the expansion valve
C.prevent motor overheating
D.condense the refrigerant gas
65.An over-speed trip stops a diesel engine when the engine ___.
A.has low lubricating oil pressure
B.exceeds a set maximum speed
C.has high cooling water temperature
D.runs out of fuel
66.When the ship is pushed forward by the waves and sinks back into a trough, she is
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___
A.surging
B.heaving
C.rolling
D.swaying
67.The abbreviation "MIP" stands for__.
A.mean indicated pitch
B.mean indicated pressure
C.middle indicated power
D.middle indicating pressure
68.In order to protect the aerobic bacteria from death, the sewage plant should work___.
A.continuously
B.at 7-day intervals
C.at 14-day intervals
D.at 3-month intervals
69.Before performing any maintenance on a hydraulic system storing energy in an accumulator, you should___.
A.operated the machine until it reaches normal temperature
B.pressurize the system to test for leaks
C.bleed off all pressure wihin the system
D.disconnect the pump pressure control switch
70.To thoroughly pump out the bilges using a horizontally mounted centrifugal pump, the ___.
A.volute must impart a radial and rotary motion of the water
B.suction side connection must guide the liquid to the lantern rings
C.pump must always be primed
D.stuffing box should not be allowed any water leakage 71.Air trapped in the hydraulic fluid of a steering system may be indicated by ___.
A.a constantly occurring improper rudder response
B.the steering pumps overspeeding
C.a jammed open relief valve
D.excessive ram pressure
72.Which of the following listed construction detail of internal combustion engines is required?
A.The use of end block construction for engines developing over 1000 brake horsepower.
B.Removable cylinder liners must be used for engines developing over 1000 brake horsepower.
C.All engines shall be provided with a exhaust gas pressure moitoring system.
D.A warning notice to caution against the opening of a hot crankcase for a specified period of time after shut down.
73.Piror to starting an AC generator prime mover, the voltage regulator cutout switch should be placed in the ____.
A.manual position
B.tansfer position
C.bus neutral position
D.raise voltage position
74.The closed-loop system differs from the open-loop system by____.
A.the presence of a computer
B.the lack of a computer
C.the lack of a feedback
D.the presence of a feedback
75.An alarm system enables the monitoring of certain meausured___.
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A.desired valve
B.constant
C.measured value
D.variable
76.To ensure the safe operation of each ship and to provide a link between the Company and those on board, every Company, as appropriate, should designate a person or persons ashore having direct ___ to the highest level of management.
A.distance
B.space
C.access
D.visibility
The International Convention for the Control and Management of Ships Ballast Water&Sediments was adopted by consesus at a Diplomatic Conference at IMO in London on Friday 13 February 2004. The main features of the Convention are outlined below(selected). Regulation D-1 Ballast Water Exchange Standard-Ships performing Ballast Water exchange shall do so with an efficiency of 95 percent volumetric exchange of Ballast Water. For ships exchanging ballast water by the pumping-through method, pumping through three times the volume of each ballast water tank shll be considered to meet the standard described.
Pumping through less than three times the volume may be accepted porvided the ship can demonstrate that at least 95 percent volumetric exchange is met. Regulation D-2 Ballast Water Performance Standard-Ships conducting ballast water management shall discharge less than 10 viable organisms per cubic meter greater than or equal to 50 micrometers in minimum dimension and less than 10 viable organisms per milliliter less than 50 micrometers in minimum dimension and greater than or equal to 10 micrometers in minimum dimension; and discharge of the
indicator microbes shall not exceed the specified concentrations.
1.Which statement is true about regulation D-1?
A. At least 95 percent volumetric exchange of Ballast Water would be accepted.
B. Pumping-through method has to be used.
C. At least three times the volume of each ballast water tank should be exchanged.
D. Even the volumetric exchange is less than 95 percent, the ship has other ways to meet the standard.
2. For organisms less than 10 micrometers in minimum dimension, what is the specific requirement?
A. less than 10 viable organisms per cubic meter
B. No any in the discharged ballast water
C. It is not specified in the regulation.
D. less than 10 viable organisms per milliliter
3. For organisms greater than 50 micrometers in minimum dimension, what is the specific requirement?
A. No any in the discharged ballast water
B. less than 10 viable organisms per milliliter
C. less than 10 viable organisms per cubic meter
D. It is not specified in the regulation.
4.The International Convention for the Control and Management of Ships Ballast Water & Sediments ____on 13 February 2004.
A. was effected officially:
B. came into force
C. was effective
D. was voted and accepted
A typical example of a hydraulic governor is the Woodward. This has adjustable droop for parallel
operation and it is fitted with a speed-adjusting control. If required it can be fitted with a synchronizing
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motor to provide remote control from a switchboard.
A gear pump driven from the engine supplies oil under pressure to accumulator pistons under which is
a by-pass to regulate maximum pressure. One branch supplies oil which acts on top of the power piston, the
pressure always tending to turn the terminal shaft to shut off fuel, while the other branch supplies oil to the
pilot valve which is operated by the linkage from the fly weights above.
Should the speed of the engine decrease due to increased load the flyweights will move towards their
center of rotation and lower the position of the pilot valve plunger, admitting oil pressure from the bottom
of the power piston. Since, however, the area on the bottom is much greater than the top the net resultant
force causes the piston to move upwards. This operates the power lever turning the terminal shaft which
varies the cut-off point in the fuel pump through linkage, but as the power piston moves up, the actuating
compensating piston moves down. Oil under this piston is now forced through the needle valve to the
receiving compensating piston, raising the outer end of the floating lever and the pilot valve plunger until it
has returned to its normal position. This stops further movement of the terminal shaft so that the fuel
control is now set in a position corresponding to the increased fuel required to run the engine at normal
speed under the increased load.
1. This passage is mainly about.________.
A. what type of governor should be provided when the engine is used for electric power generation
B. why the speed of the engine fluctuates
C. how the governor works
D. how the fuel pumps work
2. When the speed of the engine decreases due to increased load, which of the following will NOT
happen?
A. The terminal shaft moves to a new position
B. The flyweights move towards their center
C. The pilot valve plunger moves towards its normal position.
D. The power piston moves downwards until it returns to its normal position.
3. The oil from the gear pump will ________.
(1). be supplied to the accumulator (2). act on the power piston
(3). be supplied to the pilot valve
A.(1)
B.(1)(2)(3)
C.(2)(3)
D.(1)(3)
4. Which of the following is true about the Woodward discussed?
A. It may only be manually controlled from a switch board.
B. It is a kind of mechanical governor.
C. It has speed droop.
D. It can not be used for parallel operation.
However, the quality of the fuel oil burned in the engine will have a bearing on the maintenance, frequency and the extent of overhauls. Fuel of inferior quality also requires more effort with the fuel preparation and the pretreatment to effectively protect the diesel engine. Apart from technical reasons, economic considerations will influence the selection of the fuel for a specific operation.
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Distillate type fuels, such as marine gas oil(MGO)or marine diesel oil(MDO) can be used in all Sulzer diesel engines. Special recommendations with regard to such fuels also with heavier grades having very low sulphur content(i.e. generally less than about 0.3%)have to be observed. Some of these so-called low sulphur fuels(LSF)appear to have abnormal burning characteristics and also a detrimental effect on the tribological system cylinder liner/piston ring and lubricant.
Residual type fuels(heavy fuel oil, HFO, bunker fuel oil, BFO)can be used in Sulzer diesel engines within the scope of our Fuel Oil Requirements, specified for the various type engines. The installation and the equipment of the fuel treatment plant must be adequate to enable aneffective handling and treatment of the fuel quality selected for the engine.
In many cases the fuel suppliers provide data only for viscosity and density of the fuel they are selling whereas other characteristics set out in the above mentioned specifications are not always known at the time of delivery. However, responsible fuel suppliers can indicate whether their product meets the limits of a certain grade, specified for instance in the international Standard ISO8217, Specification of Marine Fuels. Mixing of fuels of different suppliers or different sources-intentionally or unintentionally-should be avoided as much as practically feasible since there is always some risk of generating problems of incompatibility with such fuels. In compatibility can result in sludge formation and fouling of plant equipment. Plguged filters and severely fouled separators become ineffective, allowing uncleaned fuel to reach the fuel injeciton system of the engine.
(1)Which type of fuels can be used in all Sulzer diesel engines?
A.Residual type fuels
B.Distillate type fuels
C.BFO
D.HFO
(2)Incompatibility can result in ____ and fouling of plant equipment.
A.sludge formation
B.fouling separators
C.plugging filters
D.quality imprvement
(3)Which one of the followings wil influence the selection of the fuel for a specific operation?
A.economic considerations
B.technical reasons
C.neither technical reasons nor economic considerations
D.both technical reasons and economic considerations
(4)In many cases, the fuel suppliers provide data only for ___ of the fuel they are selling.
A.dew point
B.pour point
C.viscosity and density
D.setting point
A number of biological sewage treatment plant types are in use at sea but nearly all work on what is called the extended aeration process. Basically this consists of xoygenating the liquor either by bubbling air through it or by agitating the surface. By so doing a family of bacteria is propagated which thrives on the oxyge content and digests the sewage to produce an innocuous sludge. The imprsion that bubbling air through the sewage serves to oxidize it thus reducing BOD is not strict case. It is the bacteria that reduce the BOD by converting the organic content of the sewage to a chemically and organically inert sludge.
In order to exist, te bacterial need air and nutrient. The nutrient is in the form of body and galley wastes. If thenutrient source is cut off, i.e. the plant shut down or by-passed for say an extened ocean passage, the bacterial die and the plant cannot function correctly until a new bacteria colony is generated. This process can take from 7 to 14 days. Bacterial which live in the presence of oxygen are said to be aerobic. When oxygen is not present, the aerobic bacterial cnanot live but a different family of bacterial is generated. These bacterial are said to be anaerobic.
While they equally capable of producing an inert sludge, in so doing hydrogen sulfide, carbon dioxide and methane are formed.
Some sewage processes are designed to work anaerobially but thers are not ususlly
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adopted for shipboard use.
(1)The bacteria usually used in the sewage treatment process on board are ___.
A.Aerobic
B.not capable of generating a new family of bacteria
C.not capable of producing an inert sludge
D.Anaerobic
(2)If the treatment plant has been shut down for a long time, it can function again only
after___.
A.a different family of bacterial is generated.
B.nutrient is supplied
C.air is bubbled through the sewage
D.a new colony of bacterial is generated.
(3)According to this passage, bubbling air through the sewage to oxidize it thus reducing
BOD___.
A.cannot work in practice
B.is not exactly the purpos of biological sewage treatment
C.cannot make any impression on the readers
D.is not exact fact in biological sewage treatment
(4)The biochemical oxygen demand of the sewage is reduced by___.
A.the liquor agitating its surface
B.bubbling air through it
C.the bacteria propagated in it
D.oxidizing it
参考答案
CACDB CCBCB BDDBD BCBDB ACDBB BDABD
BDDBA DAADA DCDCD ABBAA DABCC CABDA
CCBDB ABACC ABADD C
ACCD CDBC BAAC ADDC
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船舶轮机实用英语口语-8
How do you do，Mr. Wang. I'm Brown，a ship chandler. 你好，王先生，我是布朗，物料供应商。 Glad to meet you，Mr. Brown. Have a seat，please. 很高兴见到你，布朗先生，请坐。Thanks. Your agent asked me to come and see you. 谢谢，你们的代理让我来见你。 Yes. We're going to order some stores and spare parts. 是的，我们想订些物料及备件。 Well，here is our price list. You'll find our prices fair and reasonable. 很好，这是我们的价目表，你会发现我们的价格公平合理。 I'm afraid I can't give you my order right now. 我恐怕不能马上给你订单。 That's all right. I'll be glad to come again tomorrow. 好的，我明天再来。 OK. See you tomorrow. 好吧，明天见。 Glad to see you，Mr. Brown. 很高兴见到你，布朗先生。 Me too，Mr. Wang. 我也是，王先生。 Let's talk about the orders. 我们谈一下订单吧。 All right. I'm ready for them. 是的，我正等着做这事呢。 We would like to get some spare parts for our diesel engine. 我们想订一些柴油机的备件。 What spare parts do you want? 你想要什么备件？ I've got a list. Here you are. 我这儿有份备件清单给你。 Let me have a look. 让我看看。 When can you deliver them? 你们什么时候能送来？ It depends on what you ordered. 这取决于你订什么东西。 A plunger with guide bush and sixty pcs of rubber rings. 一个带有导套的柱塞和60只橡皮圈。 Rubber rings，no problem. But the plunger is out of stock. However，I can make a special order for you. 橡皮圈没问题，但柱塞目前缺货，不过我可为你专门订货。 Can I get them within three days? 3天内能交货吗？ I'm afraid not. The time is too short. 恐怕不行，太急了。 Well，Singapore is our next port of call. Could you airmail them there? 好吧，新加坡是我们下一停靠港，你可否把它们空运到那里？ We'll arrange for the delivery，if you need them. 如果你们需要，我们可以安排。 OK. Customs duties and transport charge will be on your account（will be charged up to you）. 好的，关税及运费由你们支付。 How about other spare parts or stores? 还需要别的备件和物料吗？ Yes，we need water packing. 我们需要水封填料。 How much do you need?需要多少？ Two boxes. 2箱。 All right, you'll have it. 好的，我们供给你。 Besides that，we'd like to order some electrodes for steel and v-belts. 此外，我们订购一些用于焊接钢的焊条和三角皮带。 How many pieces do you want to order? 你们想订多少？ 3 packs of 3 mm diameter electrodes and 4 pieces of v-belts. 3包直径3 mm的焊条及4条三角带。 Are you going to take spare rollers? 你们需要备用滚轮吗？ We don't need to this time. But thanks anyway. 这次我们不需要，但还是要谢谢你。Anything else? 还有别的吗？
轮机英语
轮机英语词汇 1、pump 泵 ①Supply pump供给泵②transfer pump 输送泵 ③circulating pump 循环泵④bilge pump 舱底水泵 ⑤ballast pump 压载水泵 1、tank ①drain tank 泄放柜②service tank 日用柜 ③settling tank沉淀柜④storage tank 储存柜 ⑤circulating tank 循环柜⑥used oil tank 废油柜 ⑦buffer tank 缓冲柜⑧overflow tank 溢流柜 ⑨Collecting tank 收集柜⑩expansion water tank 膨胀水箱 2、water ①sea water (S.W.) 海水②fresh water (F.W.)淡水 ③operating water 工作水④sanitary water 卫生水 ⑤washing water冲洗水⑥refilling water 再注水 ⑦feed water给水⑧condensate water 冷凝水 ⑨bilge water 舱底水⑩sewage污水 2、oil ①fuel oil (F.O.) 燃油②lubricating oil (L.O.) 滑油 ③engine oil 机油④cylinder oil 气缸油 ⑤diesel oil (D.O.) 柴油⑥turbine oil 透平油 ⑦cool oil 冷却油⑧seal oil 密封油 3、temperature (temp) 温度 4、flow 流量 5、pressure（press）压力 6、power 功率 10、level 液位 11、vibration 振动 12、normal/abnormal 正常/异常 13、main/auxiliary (aux.) 主要/辅助的 14、inlet/exhaust 进气/排气 15、fire alarm 火警 16、fail/failure 故障 17、overload 过载 18、no-voltage 失电 19、leak/leakage 泄漏 20、wrong-way 错向 21、insulation(insul) 绝缘 22、oil mist 油雾 23、viscosity 粘度 24、density 浓度 25、salinity 盐度 26、oil content 油含量
轮机英语5
require.async(['wkcommon:widget/ui/lib/sio/sio.js'], function(sio) { var url = 'https://https://www.360docs.net/doc/5d5364215.html,/cpro/ui/c.js'; sio.callByBrowser( url, function () { BAIDU_CLB_fillSlotAsync('u2845605','cpro_u2845605'); } ); }); See you later. 再见。 See you. 再见。 Morning, Mr. Smith. 早上好，斯密斯先生。 Morning, Mr. Jones, You're really an early bird! Sit down please. 早上好约翰先生，你起得可真早啊，请坐。 Thank you，but I should make a tour first. 谢谢，但是我应先巡查一圈。 At 0050，the Duty Officer told us to stand by the engine because of fog. 在0050时，值班驾驶员通知因雾备车。 Yes，the fog was rather dense when I came down just now. 是的，雾在我刚才下来 时确实很浓。 At 0130，No. 4 fuel pump plunger was found stuck. 在0130时，发现 4号燃油泵柱塞咬 死。 No. 3 auxiliary engine isn't working normally. Shall we change it to No. 2 auxilia ry engine right now? 3号副机工作不正常，我们是否立刻改用2号副机？ You are right，but I must ask for instructions from the Chief Engineer. 你说得对，但是我必须征询一下轮机长的意见。 All right. 好吧。 I have got the permission. 轮机长已同意了。 OK. I'll start the engine. 好的，我去起 动2号副机。
轮机英语
精心整理 轮机英语词汇 1、pump 泵 ①Supplypump 供给泵②transferpump 输送泵 ③circulatingpump 循环泵④bilgepump 舱底水泵 ⑤ballastpump 压载水泵 1、tank ①draintank 泄放柜②servicetank 日用柜 ③settlingtank 沉淀柜④storagetank 储存柜 ⑤⑦⑨2、①③⑤⑦⑨2、oil ①③⑤⑦3、4、flow 5、6、10、11、12、13、14、15、16、17、overload 过载 18、no-voltage 失电 19、leak/leakage 泄漏 20、wrong-way 错向 21、insulation(insul)绝缘 22、oilmist 油雾 23、viscosity 粘度 24、density 浓度 25、salinity 盐度 26、oilcontent 油含量
27、pressuredifference压差 28、switch开关 29、flame火焰 30、automatic（auto）自动的 31、emergency应急的 32、standby备用的 33、screw螺丝 34、nut螺母 35、stud螺柱 36、meter仪表 37、thermometer温度计 38、 38、 39、 40、 41、 42、 43、 44、 45、 46、 46、 47、 48、 49、 50、 51、 52、 53、 54、 Ⅱ. 1、 3、 5、 7、 9、 11、aircooler空气冷却器12、scanvagebox扫气箱 13、oilsprayer喷油器14、oilnozzle喷油嘴 15、exhaustvalve排气阀16、sealingring密封环 17、cylinderliner气缸套18、pistonrod活塞杆 Ⅲ.机舱布置图Engineroomarrangement 1、mainengine/M.E.主机 2、intermediateshaft中间轴 3、bearing轴承 4、propellershaft螺旋桨轴 5、sterntube艉管 6、aftsealheadtank后密封油箱 7、FWDsealheadtank前密封油箱8、sterntubeL.O.draintank艉管滑油泄放柜9、chemicalcleaningtank化学清洗柜10、L.O.draintank 11、sludgeoiltrap油渣收集柜12、rustpreventertank防锈剂柜
《轮机英语》最新题库答案
《轮机英语》老题库答案 1. B 2. C 3. B 4. C 5. A 6. A 7. B 8. D 9. A 10. C 11. C 12. D 13. A 14. A 15. A 16. D 17. C 18. A 19. B 20. C 21. C 22. A 23. A 24. C 25. B 26. C 27. C 28. C 29. B 30. B 31. D 32. C 33. A 34. A 35. D 36. A 37. D 38. B 39. C 40. A 41. D 42. B 43. B 44. C 45. D 46. D 47. B 48. A 49. B 50. D 51. A 52. A 53. A 54. B 55. D 56. A 57. C 58. B 59. D 60. B 61. C 62. D 63. D 64. C 65. C 66. D 67. D 68. C 69. C 70. A 71. A 72. C 73. B 74. B 75. D 76. B 77. D 78. B 79. A 80. B 81. D 82. B 83. C 84. A 85. B 86. B 87. B 88. C 89. C 90. A 91. B 92. A 93. D 94. C 95. C 96. C 97. C 98. A 99. D 100. C 101. A 102. D 103. A 104. A 105. D 106. A 107. C 108. D 109. A 110. A 111. D 112. B 113. A 114. B 115. A 116. C 117. C 118. A 119. D 120. B 121. D 122. A 123. D 124. B 125. B 126. B 127. B 128. D 129. D 130. C 131. C 132. A 133. D 134. D 135. A 136. C 137. D 138. C 139. A 140. A 141. C 142. A 143. B 144. B 145. C 146. A 147. D 148. D 149. A 150. C 151. D 152. D 153. B 154. C 155. A 156. B 157. C 158. B 159. B 160. D 161. D 162. C 163. C 164. D 165. A 166. D 167. B 168. B 169. A 170. A 171. D 172. C 173. C 174. A 175. C 176. C 177. C 178. B 179. D 180. B 181. D 182. D 183. B 184. C 185. A 186. B 187. A 188. A 189. A 190. D 191. D 192. D 193. B 194. D 195. D 196. D 197. B 198. C 199. B 200. B 201. A 202. D 203. B 204. C 205. C 206. D 207. A 208. A 209. A 210. D 211. A 212. B 213. B 214. D 215. D 216. D 217. A 218. D 219. D 220. B 221. B 222. D 223. C 224. A 225. D 226. D 227. A 228. C 229. A 230. D 231. B 232. B 233. A 234. B 235. A 236. A 237. D 238. D 239. C 240. A 241. B 242. B 243. C 244. A 245. D 246. A 247. C 248. C 249. D 250. A 251. D 252. A 253. B 254. A 255. A 256. A 257. D 258. A 259. B 260. B 261. B 262. C 263. A 264. A 265. A 266. A 267. C 268. C 269. D 270. C 271. A 272. D 273. C 274. A 275. A 276. A 277. B 278. B 279. D 280. B 281. C 282. A 283. C 284. D 285. A 286. D 287. C 288. D 289. B 290. D 291. C 292. A 293. D 294. B 295. C 296. D 297. A 298. C 299. B 300. A 301. A 302. A 303. A 304. A 305. C 306. D 307. C 308. B 309. C 310. B 311. B 312. A 313. C 314. C 315. B 316. A 317. A 318. A 319. D 320. C 321. C 322. C 323. D 324. B 325. A 326. A 327. C 328. C 329. A 330. A 331. B 332. B 333. D 334. B 335. C 336. D 337. C 338. C 339. B 340. A 341. B 342. B 343. B 344. B 345. D 346. B 347. D 348. D 349. D 350. B 351. D 352. D 353. A 354. A 355. A 356. A 357. C 358. A 359. C 360. B 361. B 362. C 363. B 364. B 365. A 366. B 367. D 368. A 369. A 370. C 371. B 372. A 373. B 374. A 375. B 376. A 377. B 378. D 379. A 380. D 381. A 382. B 383. D 384. A 385. C 386. B 387. D 388. B 389. C 390. B 391. A 392. B 393. B 394. C 395. A 396. B 397. A 398. D 399. C 400. B 401. A 402. B 403. A 404. C 405. B 406. A 407. D 408. C 409. C 410. A 411. C 412. C 413. B 414. A 415. B 416. B 417. D 418. A 419. C 420. C
轮机英语习题翻译
1. 当船舶载货浮于水面时，其排水量等于船舶所排开的水的重量。 2. 船舶排水量等于装载船舶的总重量。 3. 造船工程师和轮机工程师在某些方面的职责有重合。 4. 中速柴油机驱动的船舶需要采用减速齿轮箱来装配螺旋桨。 5. 为了有效工作，螺旋桨必须在较低的速度下运转。 6. 柴油机中，燃油的燃烧直接提供热能；燃气混合气作为工作介质，将热能转变为机械能。 7. 柴油机中，燃气混合气作为工作介质，将热能转变成机械能；连杆将往复运动变成回转运动。 8. 二冲程机和四冲程机的一个区别是二冲程机没有吸气冲程。 9. 二冲程机和四冲程机的一个区别是二冲程机没有鼓风机不能工作。 10. 柴油机中，当燃油喷入汽缸时，活塞已经上行运动经过了行程的大部分，几乎要到达上止点。 11. 扫气不充分是使二冲程机相对于同型的四冲程机的功率优势降低到1.8倍的主要原因。 12. 如果柴油机是自然吸气式或是一个带离心增压器的小型高速机，其气阀重叠期，即两阀都打开的 时间，会短些，排气阀在上止点后10°关闭。 13. 二冲程柴油机的在扫气箱内的缸套上，有一串开口叫扫气口，在某些情况下，还有一些开口叫排 气口。 14. 在某些二冲程柴油机中，缸盖上除了有一些小开孔安装燃油阀、起动阀、安全阀、示功阀等等之 外，在缸盖中心有一个大的开孔，用于安装排气阀。 15. 在二冲程机中，活塞由上下两部构成，下部叫活塞裙，通常由铸铁制成；上部叫活塞头，由耐热 钢制成。 16. 为了在汽缸磨合期保持住缸套上的油膜，活塞环的上下外缘都稍有倒角。 17. 为了控制热应力，某些类型的柴油机活塞使用薄壁结构和强化冷却。 18. 为了改善十字头轴承的工作状况，在最近的设计中减小了轴承压力，提高了圆周速度。 19. 当加热重油使其粘度达到10-15cst时，将会产生沸腾和气穴。为了避免这一点，在多数情况下使 用加压系统。 20. 来自燃油柜的燃油在进入日用柜前必须经过分油机处理，然后进入供油系统。 21. 5um全流通滤器应尽可能靠近主机安装，以保护主机喷油系统的组件。 22. 用于向副机提供柴油的增压泵应当可以由压缩空气或应急电源驱动。 23. 固体杂质会损坏燃油泵、喷油器、缸套、排气阀座和增压器叶片。 24. 作为传统海水冷却系统的一种替代形式，中央冷却系统在冷却器位置、液流控制和系统预热方面 基于相同的原理，只是附加了一个中央冷却器和一套泵。 25. 在除气柜和膨胀柜之间安装的报警器能向值班船员报告主机的故障。 26. 中央冷却系统需要最少量的维护工作，因为这种系统只有一个设备与海水接触。 27. 关于缸套冷却水，副机的冷却水泵由主机驱动，而主机则有一个独立的冷却水泵。 28. 为了维持主机缸套水出口温度保持在80-85°之间，在缸套水出口装有一个三通阀以控制通过冷却 器的冷却水流量。 29. 在现代装备中，主机和备用副机保持在恒定的温度下，不用预热即可启动。 30. 船用柴油机依靠向汽缸中供入高压空气来启动。 31. 船舶柴油机的启动空气系统通常有连锁装置，以避免在某些异常情况下启动。 32. 在启动系统中，自动阀由控制空气控制，汽缸启动阀也由控制空气控制。 33. 当活塞刚过上止点时，启动空气开始进入汽缸。 34. 启动主机时，压缩空气进入汽缸时，相应的活塞处于动力行程。 35. 主机启动达到足够高的转速后，例如20rpm，启动空气切断，燃油喷入汽缸。 36. 空气分配器通常由凸轮轴驱动，按一定的顺序将启动空气分配到各缸。
船舶轮机英语集成
4 船舶英语 目 录 一.职位及工种 (Titles and type of work) ····· 1 二、柴油机类 (Words about diesel engine) ····· 3 三、船舶机械类 (Words about marine machinery) ·· 11 四、阀门(Words about valve) ···· 14 五、泵类(Words about pump) ·········· 16 六、甲板机械类（Deck machinery） ······ 18 七、工具类(Word about tools) ········ 20 八、常用物料(Material in common use) 26 九、常用紧固件 (Part of fixation in common use) ··· 28 十、常用油类(Oil in common use) ·····28 十一、常用量词 (Quantifier in common use) ·········29 十二、国家名称(Name of country) 。 30 十三、常用缩语 (abbreviation in common use) ·····31 十四、船用动态常用单词(marine tends word) 32 十五、船舶机电设备操作词汇 (manipulate of marine equipment) ·33 十六、故障常用单词 (words about malfunction) ····· 35 十七、保养检修常用词汇 (Words about maintain and examination) 38 十八、常用数字(Numeral in common use) 40 十九、时间、季节与方向 (Time、Season and Direction) ·····42 二十常用词组（Phrases in common use） ·45 二十一、常用动词和例句 (Verb in common use and example) ····48 二十二、问候和常用表达语 (Greeting and common expression) ····67 二十三、主机提交过程用语 (Delivery expressions for main engine) 68 二十四、空压机和空气系统用语 (Air compressor and Air system) ···· 75 二十五、锅炉提交用语 (Delivery expressions for boiler) ···77 二十六 、 锚绞车提交过程用语 (Delivery expressions for anchor windlass) 79 二十七、舵机提交过程用语 (Steering gear delivering) ··· 87 二十八、付机提交过程用语 （Delivery expression for A/E） ····· 91 二十九、救生艇提交过程用语 (Delivery expressions for lifeboat) ··92 三十、其他提交项目 (Delivery expressions for other items) (95) 三十一、甲板机械系泊试验 (Mooring test for deck machinery) (96) 三十二、机舱设备系泊试验 (Mooring test for the equipment in E/R) (98) 三十三、谈论故障常用语 （Expressions for trouble） ············100 三十四、谈论检修常用语 (Expressions for overhaul) ············ 101 三十五、谈论试验和检验 (Talking about test & check) ···········103 三十六、谈论技术要求 (Talking about technology required) (105) 一．职位及工种(Titles and type of work) 1．船长 Captain 2．大副 Chief officer 3．二副 Second officer 4．三副 Third officer 5．四副 Fourth officer 6．水手长 Boatswain 7．水手 Sailor & Seaman 8．木匠 Carpenter 9．轮机长 Chief engineer 10．大管轮 Second engineer 11．二管轮 Third engineer 12．三管轮 Fourth engineer 13．机匠长 Chief motorman 15．机匠 Fitter 16．加油工 Oil man 17．大电 Chief electrician 18．电工 Electrician 19．车间主任 Workshop director 20．工长 Section chief 21．班长 Fore man 22．钳工 Fitter 23．主管工程师 Engineer in charge 24．机务 &船东 Superintendent &Super &Owner 25．助理工程师 Assistant engineer 26．验船师（机）Register 27．验船师（船）Surveyor 28．油漆工 Painter 29．焊工 Welder 30．大橱 Chief cook 31．物料员 Store keeper 32．加油工 Oiler 33．机工 Mechanic 34．甲板员 Deck man 35．电线工 Wireman 36．外包工 Laborer 37．铸工 Molder 38．管子工 Pipe fitter 39．起重工 Crane operator 二、柴油机类(Words about diesel engine) 1．主机 Main engine 2．二冲程柴油机 Two-stroke diesel engine 3．四冲程柴油机 Fore-stroke diesel engine 4．高速柴油机 High speed diesel engine 5．中速柴油机 Middle speed diesel engine 6．低速柴油机 Low speed diesel engine 7．气缸盖(缸头) Cylinder head 8．安全阀 Safety valve 9．释放阀 Relief valve 10．示功阀 Indicator valve 11．示功考克 Indicator cock 12．空气起动阀 Air starting valve 13．起动空气分配器 Air starting distributor 14．油头(燃油喷射器) Fuel injector 15．排气阀 Exhaust valve 16．气缸套 Cylinder liner 17．冷却水套 Cooling water jacket 18．气缸注油器 Cylinder lubricator 19．活塞 Piston 20．活塞头 Piston crown 21．活塞裙 Piston skirt 22．活塞销 Piston gudgeon pin 24．活塞杆 Piston rod 25．活塞环 Piston ring 26．活塞环槽 Piston ring groove 27．压缩环 (气环) Compression ring 28．刮油环 (油环) Oil scraper ring 29．减磨令 Wear ring (copper ring) 30．伸缩管(水拉管) Telescopic pipe 31．活塞冷却空间 Piston cooling space 32．填料箱(函) Stuffing box 33．填料箱密封环 Sealing ring for Stuffing box 34．填料箱压缩环 Pressure ring for Stuffing box 35．填料箱刮油环 Scraper ring for Stuffing box 36．扫气箱 Scavenging receiver 37．扫气口 Scavenging port 38．排气口 Exhaust port 39．十字头 Cross head 40．十字头销 Crosshead pin 41．十字头轴承 Crosshead bearing 42．十字头滑块 Crosshead slipper 43．滑块 Guide shoe 44．十字头导板 Crosshead guide plate 45．连杆 Connecting rod 46．连杆大端轴承 Bid end bearing 47．连杆小端轴承 Small end bearing 48．曲柄轴承 Crank bearing 49．曲柄销 Crank pin 50．曲轴 Crank shaft 51．曲轴颈 Crank journal 52．曲柄臂 Crank web 53．拐档差 Crank deflection 54．主轴承 Main bearing 55．主轴颈 Main journal 56．轴承瓦 Bearing bush 57．上轴瓦 Upper bearing bush 58．上轴瓦 Upper half 59．下轴瓦 Lower bearing bush 60．下轴瓦 Lower half 61．推力轴承 Thrust bearing 62．推力块 Thrust pad 63．推力盘 Thrust disc 64．推力轴 Thrust shaft 65．底座 Bed plate 66．机架 Frame 67．曲柄箱 Crank case 68．曲柄箱导门 Crank case door 69．曲柄箱防爆门 Explosion-proof Crank case. 70．定时齿轮 Timing gear 71．飞轮 Flying wheel 72．凸轮 Cam 73．凸轮轴 Cam shaft 74．喷油凸轮 Fuel injection cam 75．链条 Chain 76．链条轮 Chain wheel 77．链条箱 Chain box 78．推杆 Push rod 79．摇臂 Rocker arm 80．排气阀 Exhaust valve 81．吸气阀 Suction valve 82．排气总管 Exhaust manifold 83．进气总管 Air inlet manifold 84．高压燃油管 High pressure fuel pipe 85．活塞冷却水管 Piston cooling water pipe 86．法兰 Flange 87．贯穿螺栓 Tie bolt (tie rod) 88．端盖 Side cover 89．滑油泵 Lubricating oil pump 90．燃油泵 Fuel oil pump 91．滑油泵齿轮 Gear for lubricating oil
轮机英语8套(3)
1.After arrived at the port, if it is necessary to lift the piston out and inspect the M/E temporarily, the chief engineer should report the situation to the ____, and the operation could be performed only after having the approvement of relevant department. A. Ship survey bureau B. maritime safety C. company manager D. Captain 2.Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the ______ A. chief engineer's office B. engine room control station C. wheelhouse control station D. captain's office 3._____is provided for each generator with selector switch to reed the current in etch phase. A. A voltmeter B. A frequency meter C. An ammeter D. A synchroscope 4.In order to reduce the chance of detentions ships shoald routinely verify the following except for _____. A. operation of the oily weter separator able to be demonstrated. B. all Oil Record Book entries completed according to Marpol. C. cleaning all associeted monitor, alarm and stopping device. D. operetion of the oily weter seperetor monitor able to be demonstreted. 5.If a crankcase explosion occurs in a diesel engine, you skould stop the engine and _____ A. immediately open all crankcase relief ports B. increase crankcase exhauster speed to draw cool air into the engine C. allow the engine to cool naturally D. increase crankcase scavenge air to remove unburned gases 6.In a fixed displacement axial piston hydraulic motor, the speed is varied by _____ A. maintaining a constant flow and pressure input B. regulating the ratio between torque and speed via the torque limiter at the motor C. controlling the input flow rate D. directing the motor output flow through a bypass line 7.In an AC synchronous motor electric propulsion plant, propeller speed is controlled by varying the A. prime mover speed B. number of energized main motor poles C. propulsion generator field strength D. electric coupling field strength 8.Prior to entering cargo pumproom you should ensure that ____ A. the oily water separator is de-energired B. the forced ventilating system is operating C. the cargo pumps are secured D. no monocarbon gases are present 9.Which is the pollution prevention equipment? A.cooler B.evaporator C.booster pump D.incinerator 1 / 10
轮机英语专业词汇.doc
第一部分柴油机 Diesel Engine 二冲程船用柴油机two stroke marine diesel engine 四冲程船用柴油机four stroke marine diesel engine 高（中，低）速柴油机high(medium,lower)speed engine 气缸cylinder 气缸盖cylinder cover(cylinder head) 苏尔寿发动机Sulzer engine B&W型发动机Burmeister and Wain engine 哥塔维根型发动机Gotaverken engine 曼恩型发动机型发动机V-type engine 直流扫气式发动机uniflow scavenging type engine 回流扫气式发动机loop flow scavenging type engine 横流扫气式发动机crow-flow scavenging type 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
轮机英语历年真题48期
中华人民共和国海事局 2009年第5期海船船员适任统考试题（总第48期） 科目：轮机英语试卷代号：805 适用对象：无限近洋航区3000kw及以上船舶二/三管轮 （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88题，每题1分，第89题至96题，每题1.5分。 一、单项选择题 1. Diesel engines classified as reciprocating internal combustion engines because they____ A. use energy from fuel burned outside their cylinders B. burn fuel in a combustion chamber that moves back and forth C. burn fuel in a chamber where its energy moves a piston up and down D. a continuous combustion process to impart rotary motion to the pistons 2. The abbreviation “MIP” stands for _____ A. middle indication pressure B. mean indicated pressure C. mean indicated pitch D. middle indicated power 3. The term used to express the ignition quality of a particular fuel is _____ A. cetane number B. octane number C. ignition index number D. volatility point 4. The period when both inlet valves and exhaust valves are open is referred to as____ A. valve loop B. valve uniflow C. valve overlap D. valve grinding 5. Which of the following statements represents the function of the compression rings installed at the top of a diesel engine piston? A. Control the amount of lube oil burned in the combustion chamber B. Transmit heat from the piston to the cylinder liner C. Prevent damage to ring groove inserts by action as a heat dam. D. Dissipate combustion chamber gas pressure by channeling it through the ring gap. 6. The gas loads on the engine structure are constrained by means of hydraulically