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轮机英语天津八套和海事局八套试题库

1.The officer in charge of the engineering watch shall ensure that at all time s 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 temperature 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 t o 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 hea t.

A.expansion valve

B.condenser

https://www.doczj.com/doc/b915756719.html,pressor

D.evaporator

6.The energy consumed by an AC motor, as strictly reactive power, is_____ .

https://www.doczj.com/doc/b915756719.html,ed to do mechanical work

B.lost in doing work to turn the motor itself

https://www.doczj.com/doc/b915756719.html,ed to establish the magnetic field of the motor

D.lost as heat generated by the windings.

7.A diesel engine will lose power if fuel injection occurs too early because t he_____ .

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 a t present.

A.power

B.capacity

C.displacement

D.weight

9.The depth of the ship below the waterline measured 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 hydraulic fluid. An erratic knocking noise from the hydraulic 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 sho uld ensure that the_____ .

A.ring buoys are thrown overboard

B.fire pumps are started

C.engines are stopped

D.life preservers have been issued 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.doczj.com/doc/b915756719.html,bustion knock

D.Crankcase explosion

13.All details of fuel bunkering, ballast handling, tank cleaning or slop dispos al 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.doczj.com/doc/b915756719.html,sh point of the fuel

15.In the voyage, when carrying 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 response to oil pollution into the se a.

A. the port state

B. the coastal state 沿岸国

C. the flag state

D. the shipping company

17._____

assists to emulsify oil and water into an even emulsion mixture for a fine at omizing of an incinerator

A.An intermittent vibration

B.An intermittent agitation

C.A continuous agitation 连续的搅拌

D.A continuous vibration

https://www.doczj.com/doc/b915756719.html,bustion knock will most likely occur as a result of using a fuel with___ __ .

A. a high cetane number

B. low ignition quality

C. low ignition delay

D. a high volatility

19.Which of the following is operated from the main engine room console on an

automated vessel?

A.Shaft alley door and fixed CO2 release

B.Lube oil pump and distilling plant

C.Distilling 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 level 4

B.Security level 3

C.Security level 2

D.Security level 1

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 provided 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.Synchronizing 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.Fuses placed in series with a thermal trip-type circuit breaker are used for _____ .

A.short duration surge protection

B.short-circuit protection

C.sustained overload protection

D.time-delay protection

26.The master may suspend the schedule of hours of rest in the following circu mstances EXCEPT_____ .

A.Cargo on board is in danger

B.The seafarer wants to have extra pay额外的报酬by working overtime

C.Help another ship in distress.危难

D.The safety of the ship is threatened. 威胁

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_____ .

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 switchboard

30.The most common diesel engine fuel system problems are caused by_____ .

A.excessive vibration

B.broken fuel lines

C.incorrect adjustments

D.dirty fuel

31._____

of the controllable pitch propeller enables the blades to be moved to change t he 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 control

34.Which of the following problems will occur if a disk-type centrifugal lube o il purifier is not properly primed prior to admitting oil flow to the bowl?

A.Contamination of the lube oil by emulsification will result.

B.Oil will discharge from the heavy phase discharge port and be wasted.

C.The lube oil will not 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 follow ing 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 motor

37.Which of the following components are used to convert alternating current pro duced in the generator windings to direct current?

https://www.doczj.com/doc/b915756719.html,mutator and crushes

B.Armature and equalizer

C.Field and exciter

D.Rotor and interpoles

38.Oil mist detectors are usually used on board to detect oil mist density wit hin_____ .

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 diesel 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 r elay 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.doczj.com/doc/b915756719.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 ch arge

B.collecting the air charge at the air cleaner

https://www.doczj.com/doc/b915756719.html,bustion and expansion of hot gas

D.delivering more air into the cylinder than it would normally receive during a n ordinary charging process

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. 监控

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 mi xtures?

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 belo w 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 S OLAS

52.When cutting sheet metal too thin to be held in your hand while using a h and held hacksaw钢锯, 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.doczj.com/doc/b915756719.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

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 perfectly horizontal bottom

D.retain the lube oil as long as possible before it recirculates through the s ystem

60.The_____

in the steering gear system conveys a signal or desired rudder angle from the bridge(wheel house)

A.transmission mechanisms

B.fittings 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.Windings

B.Field coils

C.Isolators

D.Interpoles

62.The piston rings exert a varying pressure on the liner walls under condition s 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无限

期, 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 saltwater 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 海浪

and sinks back into a trough, she is_____

A.surging

B.heaving

C.rolling

D.swaying 摇曳

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 within the system

D.disconnect the pump pressure control switch

70.To thoroughly pump out the bilges using a horizontally mounted centrifugal pu mp, 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 engin es is required?

A.The use of end block construction for engines developing over 1000 brake hors epower.

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 monitoring system.

D.A warning notice to caution against the opening of a hot crankcase for a sp ecified period of time after shut down.

73.Prior to starting an AC generator prime mover, the voltage regulator cutout switch should be placed in the_____ .

A.manual position

B.transfer 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 measured_____ .

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 th

e 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 通道

D.visibility

The International Convention for the Control and Management of Ships Ballas t Water&Sediments was adopted by consensus at a Diplomatic Conference at IMO in London on Friday 13 February 2004. The main features of the Convention are o utlined below(selected). Regulation D-1 Ballast Water Exchange Standard-Ships perfo rming Ballast Water exchange shall do so with an efficiency of 95 percent volu metric体

积exchange of Ballast Water. For ships exchanging ballast water by the pumping -through method, pumping through three times the volume of each ballast water t ank shall be considered to meet the standard described.

Pumping through less than three times the volume may be accepted provide d the ship can demonstrate证

明that at least 95 percent volumetric exchange is met. Regulation D-2 Ballast Water Performance Standard-Ships conducting ballast water management shall discha rge第三

题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 millili ter less than 50 micrometers in minimum dimension and greater than or equal to

10 micrometers in minimum dimension; and discharge of the indicator microbes s hall 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 excha nged.

D. Even the volumetric exchange is less than 95 percent, the ship has other w ays to meet the standard.

2. For organisms less than 10 micrometers in minimum dimension, what is the sp ecific 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 生物greater than 50 micrometers微米in minimum dimension最低尺寸, 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 W ater & Sediments沉积物_____ on 13 February 2004.

A. was effected officially:

B. came into force

C. was effective

D. was voted and accepted 被接受

A typical example of a hydraulic governor is the Woodward. This has adjus table droop for parallel operation and it is fitted with a speed-adjusting cont rol. If required it can be fitted with a synchronizing motor to provide remote control from a switchboard.

A gear pump driven from the engine supplies oil under pressure to accumul ator 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 tend ing to turn the terminal shaft to shut off fuel, while the other branch suppl ies oil to the pilot valve which is operated by the linkage from the fly wei ghts above.

Should the speed of the engine decrease due to increased load the flyweig hts 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 ne t resultant force causes the piston to move upwards. This operates the power l ever turning the terminal shaft which varies the cut-off point in the fuel pum p 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 va lve 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 positi

on. 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 elect ric 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 b earing on the maintenance, frequency and the extent of overhauls. Fuel of infer ior quality also requires more effor努力

t with the fuel preparation and the pretreatment to effectively protect the die sel engine. Apart from technica技术l reasons, 第一题

economic considerations will influence the selection of the fuel for a specific operation.

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 fved. uels also with heavier grades having very low sulphur content(i

.e. generally less than about 0.3%)have to be obserSome of these so-called low sulphur fuels(LSF)appear to have abnormal burning characteristics and also a de trimental effect on the tribological system cylinder liner/piston ring and lubric ant.

Residual type fuels(heavy fuel oil, HFO, bunker fuel oil, BFO)can be used in Sulzer diesel engines within the scope范

围of our Fuel Oil Requirements, specified for the various type engines. The i nstallation and the equipment of the fuel treatment plant must be adequate to enable an effective handling and treatment of the fuel quality selected for the engine.

第四

题In many cases the fuel suppliers provide data only for viscosity and dens ity 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 Standar d 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 i s always some risk of generating problems of incompatibility with such fuels. 第二题

In compatibility can result in sludge formation and fouling of plant equipment.

Plugged filters and severely fouled separators become ineffective, allowing uncl eaned fuel to reach the fuel injection 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不匹配can result in_____ and fouling of plant equipment.

A.sludge formation

B.fouling separators

C.plugging filters

D.quality improvement

(3)Which one of the followings will 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销售.

A.dew point

B.pour point

C.viscosity and density

D.setting point

第一

题 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 th is consists of oxygenating the liquor either by bubbling air through it or by agitating the surface.第四

题By so doing a family of bacteria is propagated which thrives on the oxygen content and digests the sewage to produce an innocuous无害

的sludge. The imprison that 第三题

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 organi c content of the sewage to a chemically and organically inert sludge.

In order to exist, the bacterial need air and nutrient. The nutrient is in the form of body and galley wastes.第二

题If the nutrient source is cut off, i.e. the plant shut down or by-passed for say an extended ocean passage, the bacterial die and the plant cannot func tion 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 cannot 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 hydr ogen sulfide, carbon dioxide and methane are formed.

Some sewage processes are designed to work anaerobically but they are not usually adopted for shipboard use.

(1)The bacteria usually used in the sewage treatment process on board are_____ .

A.Aerobic 有氧

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氧

化it thus 因此reducing BOD_____ .

A.cannot work in practice

B.is not exactly the purpose of biological sewage treatment

C.cannot make any impression on the readers

D.is not exact fact不确切的事实in biological sewage treatment

(4)The biochemical生物的oxygen demand of the sewage is reduced by_____ .

A.the liquor agitating its surface

B.bubbling air through it

C.the bacteria propagated细菌传播in it

D.oxidizing it

参考答案

CACDB CCBCB BDDBD BCBDB ACDBB BDABD

BDDBA DAADA DCDCD ABB D A DABCC CABDA

CCBDB ABACC ABADD C

ACCD CDBC BAAC ADDC

天津八套与海事局八套题库(二)

1、If the PSCO from general impressions or observations on board has_____

for believing that the ship, its equipment or its crew do not substantially me et the requirements, the PSCO should proceed to a more detailed inspection. (23 8660:第4章船舶轮机管理业务:726)

A. clean report

B. serious deficiencies

C. clear grounds

D. detention report

2、tablets 药片are placed in the_____

and require replacement as they are used up.

A. waste water inlet

B. chlorinator ;氯化器

C. settling compartment

D. aeration compartment

3、

The officer in charge of the engineering watch shall ensure that all machinery involved with the maneuvering of the ship can be immediately be placed in th e manual mode of operation when notified that the ship is_____ . (238735:第5章国际公约、规则:59)

A. at anchor

B. At unsheltered anchorage

C. in congested waters

D. in an open road-stead

4、The main objective of the SOLAS Convention is_____ . (238872:第5章国际公约、规则:165)

A. to provide a solution of lowering pollution at sea

B. to specify minimum standards for the members composing the watch at sea

C. to specify minimum standards for ships considering their safety

D. to tell the company how to go about running their business

5、Which is not the protection function of the motor?P231管理书

A. Overload protection

B. Interlock protection

C. Short circuit protection

D. Zero-voltage protection

6、The double bottom of the ship for strength and provides storage for_____

1.fuel

2. Lubricating oil

3. water

A.13

B.123

C.3

D.1

7、

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_____ . (235892:第1章船舶主推进装置:448)

A. are exposed to a vacuum

B. come in contact with extremely hot surfaces

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

D. become extremely agitated or aerated

8、The best method of extinguishing a class A fire is to_____ . (238177:第4章船舶轮机管理业务:212)

A. remove oxygen from the area

B. smother fire with foam

C. smother fire with CO2

D. cool fuel below ignition temperature

9、

The low speed diesel engines are tall to allow for long strokes which improve engine_____

A. flexibility

B. controllable ability

C. efficiency

D. reliability

10、

A change in the quality of fuel atomization by a diesel engine fuel injector would be caused by a/an_____ . (236292:第1章船舶主推进装置:848)

A. increase in engine speed

B. increase in cylinder turbulence

C. leaking needle valve

D. reduction in cylinder turbulence

11、

The usual number of single-acting pistons used in a variable stroke axial-piston

pump is_____ . (237176:第2 章船舶辅助机械:538)

A. 3 or 5

B. 5 or 7

C. 7 or 9

D . 9 or 11

12、

Which of the following components are used to convert alternating current produc ed in the generator windings to direct current? (237453:第3 章船舶电气和自动

化:4)

A. Armature and equalizer

B. Commutator and brushes

C. Rotor and interpoles

D. Field and exciter

13The port state control officer may witness a fire drill carried out by the crew assigned to these duties on the_____ .

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