轮机英语8套(1).docx

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 aftB. ahead or asternC. speed or directionD. up or down2.Small oil spills on deck can be prevented from contaminating any waters by_. A.plugging all scuppers and drainsB.thoroughly draining all bunkering hosesC.regularly emptying all drip pansD.placing floating booms around the ship3.The main purpose of warming up the main engine is_. A. to reduce heat stressB. to reduce low temperture corrosionC. to improve firing and starting performanceD. for fuel saving4.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 valveB.conderserC.compressorD.evaporator6.The energy consumed by an AC motor, as strictly reacitive power, is_. A.used to do mechanical workB.lost in doing work to turn the motor itselfC.used to establish the magnetic fiedl of the motorD.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 cylinderB.maximum fuel expansion will occur on the compression strokeC.ignition will be delayed due to low ignition temperatureD.fuel will ignite before top dead center8.The designed_ is 20 tons per day, but the fresh water generator can only distill 15 tons at present.A.powerB.capacity C.displacement D.weight9.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.lean10.The hydraulic system of a deck winch has been drained, flushed, and refilled with12 / 12hydraulic fluid. An erratic knocking noise from the haydraulic motor when the winch is started would indicate_ .A.clogged suction line fluid filtersB.air trapped in the systemC.the fluid level in the reservoir is too highD.abrasive matter circulating in the oil11.As a duty engineer, as soon as you hear the fire emergency signal, you should ensure that the _.A.ring buoys are thrown overboardB.fire pumps are startedC.engines are stoppedD.life preservers have been issured to everyone12.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 C.Combustion knock D.Crankcase explosion13.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 book14.The cetane rating of diesel fuel is an indication of the _. A.rate of fuel consumptionB.ignition quality of the fuelC.calorific value of the fuelD.lash point of the fuel15.In the voyage, when carring out abandon ship drill,_ should be tested every time. A.M.E.emergency operationB.main/auxiliary steering gear changingC.air/oil emergency shut-downD.the emergency lighting system for muster and abandon ship16.The Master should call_ for permission to use chemical agents in respoinse to oil pollution into the sea.A. the port stateB. the coastal stateC. the flag stateD. the shipping company17._ assists to emulsify oil and water into an even emulsion mixture for a fine atomizing of an incineratorA.An intermittent vibrationB.An intermittent agitation C.A continuous agitation D.A continuous vibration18.Combustion knock will most likely occur as a result of using a fuel with _. A. a high cetane numberB. low igition quality C. low ignition delay D. a hgih volatility19.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.Distiling plant and shaft alley door D.Fire pump and lube oil pump20._ 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 level4B.Security level3C.Security level2D.Security level121.Each cylinder has one starting valve which is usually opened by air pressure and closed by_.A.spring forceB.new joints C.nuts and bolts D.sealing rings22._ 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 device23.To avoid water carry-over in a boiler, you should_. A.increase the feed water alkalinityB.raise the boiler water levelC.increase the steam outputD.remove the scum24.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.maintenanceD.the support25.Fueses placed in series with a thermal trip-type circuit breaker are used for_. A.short duration surge protectionB.shor-circuit protectionC.sustained overload protectionD.time-delay protection26.The master may suspend the schedule of hours of rest in the following circumstancesEXCEPT_.A.Cargo on board is in dangerB.The seafarer wants to have extra pay by working overtimeC.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 ring28.The main generators are connected to _.A. main switch boardsB. distribution boardsC. emergency switch boardsD. section boards29.A class B fire would most likely occur in the _. A.electric fresh water transfer pumpB.engine room bilge C.breathing compartment D.main swithboard30.The most common diesen engine fuel system problems are caused by _. A.excessive vibrationB.brokern fuel lines C.incorrect adjustments D.dirty fuel31._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 mechanism32.In a refrigeration system, foaming of the crankcase oil may cause the _. A. expansion valve to overfeed.B. crankcase drains to plugC. water regulating valve to failD. compressor to knock33.Enhanced procedures concerning the exercise of_ have been developed to allowintervention in the case of deficienciesdeemed 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 controll34.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.NavigationD.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 motorB.the fan motor C.the luffing motor D.the slewing motro37.Which of the following components are used to convert alternating current produced in the generator windings to direct current?A.Commutator and crushesB.Armature and equalizerC.Field and exciterD.Rotro and interpoles38.Oil mist detctors are usually used on board to detect oil mist density within _. A.the engine crankcaseB.fuel tanksC.drain tanksD.the engine scavenge boxes.39.A diesel engine could fail to start because of _. A.excessive cranking speedB.low exhaust back pressure C.floating exhaust valves D.incorrect injection timing40.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 stresses41.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 greaseD.clean any corroded surfaces and file all burrs smooth42.The diesle engine is similar to the gasoline engine in that_ A.both of them are ignited by compressed airB.both of them are the forms of external combustion enginesC.the power is developed by the piston in the cylinderD.both of them have spark plugs43.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_.A.use a soda acid extinguisher B.look for a CO2 extinguisher C.shut off the fuel supply D.smother the fire with rags45.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 isnt 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 chargeB.collecting the air charge at the air cleanerC.combustion and expansion of hot gasD.delivering more air into the cylinder thant it would normally receive during an ordinary charging process47.Movement of engine no longer required means _. A.No Engine RevolutionsB.Finished With Engine C.Stand-by Engine D.Stop Engine48.The engineer officer in charge of the watch shall ensure that _ are kept under constant surveillance.A. the steering gearB. the main propulsion plant and auxiliary systemsC. the devices and systems in chargeD. the communication devices49.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 facilityB.A portable system to discharge the slops overboardC.A fixed system to discharge the slops overboardD.A fixed system to discharge oily mixtures to a reception facility50.If the sea water supply pressure for a diesel engine cooling system is below normal, you should check for a_A.clogged sea water strainerB.blown head gasket C.broken thermostat D.cracked head51.The rules and regulation for maritime safety are governed by_ A.The MARPOL CodeB.The STCW CodeC.The 2006 Labor CodeD.the international convention for the safety of life at sea, better know as SOLAS52.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 woodB.blocks of steel C.pieces of sand paper D.pieces of cloth53.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 startingD.Improves lube oil cooling54.To equalize the power factor of two alternators operating in parallel, the _. A.kilowatt load is evenly dividedB.phase sequence is alteredC.field excitation of both units is adjustedD.governors of both units are adjusted55._ are to be carried out at least twice within a five-year period. A.Docking surveysB.Annual surveys C.Intermediate surveys D.Special surveys56.In common rail engines, the fuel is _ before is injected into the cylinders. A.already atomizedB.pumped by the injection pumpC.stored in a common fuel lineD.at low pressure57.The valid period of the International Oil Pollution Prevention Certificate on board isnt more than _A. five years B. two years C. one year D. four years58.If found oil when we open low oil level plug of separator, it indicates _. A. the temperature of oil water is lowB. the separator is overloadedC. the monitor equipment of separator failsD. the discharge pump of separator can not work59.The construction of the main propulsion engine lube oil sump should_. A.have no plating joints of 90B.provide drain/return lines that are no greater than 24 inches from the pump suctionC.be provided with only a perferctly horizontal bottomD.retain the lube oil as long as possible before it recirculates through the system60.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 unitD.control equipment61._are used to reduce the sparking which occurs as the current collecting brushes move across the insulated segmentsA.WindsB.Field coils C.Isolators D.Interpoles62.The piston rings exert a varying pressure on the liner walls under conditions involving _.A.constant speedB.good lubricationC.reversal of direction of motionD.slowly changing speed63.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 openD.drained an refilled with saltwater after closing the sea valves64.Saltwater is typically provided to a refrigeration system to _. A.prevent refrigerant superheatingB.cool the expansion valve C.prevent motor overheating D.condense the refrigerant gas65.An over-speed trip stops a diesel engine when the engine _. A.has low lubricating oil pressureB.exceeds a set maximum speed C.has high cooling water temperature D.runs out of fuel66.When the ship is pushed forward by the waves and sinks back into a trough, she is_ A.surging B.heaving C.rolling D.swaying67.The abbreviation MIP stands for_. A.mean indicated pitchB.mean indicated pressure C.middle indicated power D.middle indicating pressure68.In order to protect the aerobic bacteria from death, the sewage plant should work_. A.continuouslyB.at 7-day intervals C.at 14-day intervals D.at 3-month intervals69.Before performing any maintenance on a hydraulic system storing energy in an accumulator, you should_.A.operated the machine until it reaches normal temperatureB.pressurize the system to test for leaks C.bleed off all pressure wihin the system D.disconnect the pump pressure control switch70.To thoroughly pump out the bilges using a horizontally mounted centrifugal pump, the _.A.volute must impart a radial and rotary motion of the waterB.suction side connection must guide the liquid to the lantern ringsC.pump must always be primedD.stuffing box should not be allowed any water leakage71.Air trapped in the hydraulic fluid of a steering system may be indicated by _. A.a constantly occurring improper rudder responseB.the steering pumps overspeedingC.a jammed open relief valveD.excessive ram pressure72.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 brakehorsepower.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 positionD.raise voltage position74.The closed-loop system differs from the open-loop system by_. A.the presence of a computerB.the lack of a computer C.the lack of a feedback D.the presence of a feedback75.An alarm system enables the monitoring of certain meausured_.A.desired valve B.constant C.measured value D.variable76.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.visibilityThe 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