海事局2002年第2期海船船员适任证书全国统考试题(总第29期)科目：轮机长业务 试卷代号：812

中华人民共和国海事局2002年第2期海船船员适任证书全国统考试题（总第29期）科目：船舶辅机试卷代号：842适用对象：750-3000KW船舶轮机长/大管轮(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：本试卷试题均为单项选择题，请选择一个最适合的答案，并将该答案按答题卡要求，在其相应位置上用2B铅笔涂黑，每题1分，共100分。

1．水冷式空压机常以______效率为评价经济性的标准。

A．等温B．绝热C．指示D．机械2．空压机中最重要而需优先保证的是______冷却。

A．滑油B．级间C．气缸D．最后排气3．实际上活塞式多级空压机各级压力比：A．相等B．逐级增加C．逐级减小D．A或B或C4．空压机的自动保护不包括：A．排气温度过高B．滑油油压过低C．冷却水压过低D．排气压力过低5．船用空压机自动控制一般不包括：A．自动起停B．自动卸载和泄放C．冷却水供应自动控制D．滑油温度自动控制6．空压机后冷却好不能使：A．进气瓶气体含液量减少B．排气量明显增加C．进气瓶空气比容减小D．进气瓶空气温度减小7．空压机缸内发生水击一般不会是因为：A．气缸冷却水漏入缸内B．吸气含湿量过大C．气缸冷却水温太低D．级间冷凝水未能泄放8．关于空压机气阀升程，下列说法错的是?A．工作中随流量而变B．不宜过大，以免关闭滞后和撞击加重C．转速高的及工作压力大的升程较小D．严格限制，多在2~4mm左右9．对空压机着火爆炸原因的分析表明，下述说法中错的是：A．含油积碳在高温下氧化放热而自燃B．自燃并不一定要气温达到油的闪点C．是否发生爆炸取决于排气温度是否达到滑油闪点D．空转和低排气量长时间运转不安全10．下列说法错的是：A．级间冷却气温越低越好B．气缸冷却温度越低越好，可省压缩功C．排气冷却有的可以省去D．滑油冷却并非使油温越低越好11．不会影响内曲线油马达每转排量的是：A．配油轴直径B．导轨曲面升程C．柱塞数目D．导轨曲面段数12．定量油马达的工作油压大小取决于油马达的：A．功率B．流量C．转速D．负载13．轴向柱塞泵与径向柱塞泵相比，下列说法错的是：A．主要部件采取了静力平衡措施B．滤油精度要求较高C．允许吸上真空度较大D．转动惯量较小，可适用更高转速14．直流换向阀的特点有：A．不易烧坏B．工作频率高C．寿命短D．A与B15．下列液压控制阀中属于压力控制阀的是：A．卸荷阀B．溢流节流阀C．液控单向阀D．低压选择阀16．交流电磁换向阀比直流电磁换向阀：A．使用寿命长B．阀芯卡阻时易烧毁C．换向速度慢D．价格贵17．三位四通电液换向阀采用外供控制油，内部泄油，阀上应接有______根油管。

中华人民共和国海事局2002年第1期海船船员适任证书全国统考试题（总第28期）科目：轮机长业务试卷代号：812适用对象：750-3000KW船舶轮机长(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: 本试卷试题均为单项选择题，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。

每题1分，共100分。

1．《STCW公约》规定,通过轮机长适任考试和评估者,在______年内,应持海事当局签发的《船上培训记录簿》，完成不少于______个月相应职务的船上见习。

A．4/6 B． 5/6 C． 3/3 D． 5/32．轮机长应做好的主要协调工作有______。

Ⅰ．轮机员之间的协调Ⅱ．轮机员与机工之间的协调Ⅲ．机工之间的协调Ⅳ．轮机员与驾驶员之间的协调A．Ⅰ+Ⅲ+Ⅳ B．Ⅱ+Ⅲ+Ⅳ C．Ⅰ+Ⅱ+Ⅲ+Ⅳ D．Ⅱ+Ⅲ3．航行中轮机长每天须向船长递交______。

A．油耗量报告 B．主机转速报告 C．滑失率报告 D．正午报告4．当值轮机员错记轮机日志时，处理方法是______。

A．撕掉错记的一页，再作记录B．使用褪色剂去掉错记部分，再作记录C．错记内容划一横线，另起一项作记录，在括号内签名D．涂掉重作记录5．船舶应急发电机，起动试验1次并记录，效用试验1次并记录，30min内能连续起动次。

A．每周/每半个月/2 B．每月/每月/3 C．每半个月/每半个月/3 D．每周/每周/2 6． STCW 78/95公约关于保持轮机值班的指导中规定，_____轮机长需根据情况提供操作性指导。

I．特殊类型的推进装置或辅助设备II．载运有害、危险、有毒货物III．船舶过运河时A．I + II B． II + III C．I + III D．I +II+III7．在航行中轮机长应每日查阅轮机日志，对记载栏内一昼夜的______进行核对并签署。

Ⅰ．燃料耗存量Ⅱ．航速、航行时间Ⅲ．主机平均转速及副机运转时间A．Ⅰ+Ⅱ B．Ⅱ+ Ⅲ C．Ⅰ+Ⅱ+ ⅢD．Ⅰ+ Ⅲ8．轮机长调动交接班中，按一般规定应实物交接的有______。

中华人民共和国海事局2002年第2期海船船员适任证书全国统考试题（总第29期）科目：轮机英语试卷代号：804适用对象：无限、近洋航区750-3000KW船舶大管轮（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68题，每题1分，第69题至76题，每题1．5分，第77题至78题，每题10分。

一．单项选择题１．___ the supercharge pressure is, ___ power an engine develops．A．The higher/the more B．Higher/more C．Higher/little D．The higher/the less 2．___ tappet clearance will cause the exhaust valve to open late and close early in cycle and will reduce its maximum lift．A．Correct B．Insufficient C．Excessive D．None of the above．3．Acid solution _____ in the system can be tested from time to time by putting some on to a piece of lime．A．strength B．dense C．percentage D．velocity 4．The lowest temperature required to cause self-sustained combustion of a substance independent of any outside source of ignition is called ______．A．explosive range B．flash pointC．ignition temperature D．combustion temperature5．Before starting M/E, ______ should be worked by hand to minimize wear on the liners．A．the cylinder oil B．the starting valvesC．the cylinder lubricators D．the turning gear 6．To minimize corrosion, fuel oil strainer disks, spacers and scraper blades are made of _____．A．brass B．copper C．iron D．monel metal or stainless steel 7．Low compression results from ___．A．a worn cylinder B．broken piston rings C．either A or B D．None of the above 8．An electric heater built into some smaller diesel engines is used to ______．A．raise lube oil viscosity for easier starting in cold weatherB．increase air inlet temperatureC．increase compression ratioD．increase jacket water temperature for easier starting in cold weather 9．There should be a lubricating oil ___ between the main bearings and the crankshaft．A．film B．cap C．lacquer D．shell10．___ is the removal of exhaust gases by blowing in fresh air ．A．Gas exchange B．Charging C．Scavenging D．Supercharging 11．The casing of the independent thrust block is in two halves which are joined by ______．A．through bolts B．jack bolts C．tie bolts D．fitted bolts12．A(n) is a chemical or electro-chemical attack on the metal surface which may be further increased if the sea-water is polluted．A．errosion B．corrosion C．cavity D．scouring13．Some vessels are equipped with a water lubricated stern tube．When at sea, operating under normal conditions, the water service valve from the ship's saltwater system to the bearing should be ______________．A．closed, and no leakage permitted across the shaft packingB．closed, and only slight leakage permitted across the shaft packingC．open, and no leakage permitted across the shaft packingD．open, and only slight leakage permitted across the shaft packing14．When a centrifuge is arranged to separate impurities and small amount of water from oil, it is known as a ________ ．A．purifier B．separator C．filter D．clarifier15．Wear in a cylinder liner is usually due to ___．A．friction B．abrasion C．corrosion D．All of the above．16．Wear in parts of exhaust valve operation gear will tend to ___ the tappet clearance．A．increase B．reduce C．rise D．reduction17．The gear and screw pumps are classified as ___．A．variable stroke pumps B．multistage pumpsC．positive displacement pumps D．triple-ported pumps18．A more sophisticated pressure reducing valve incorporates a pilot valve which controls the fluid above the valve operating piston in response to downstream pressure．The bold and italic word “ which” means___________ ．A．a pressure reducing valve B．a pilot valveC．an operating piston D．downstream pressure19．A pump is said to have 'negative suction head ' when the pump is located ___．A．between the suction and discharge B．below the liquid supplyC．above the liquid supply D．Any of the above．20．The water in an auxiliary boiler should be tested daily for _____．A．dissolved oxygen B．chlorides C．sludge D．dissolved nitrogen21．A ____ boiler is an auxiliary boiler sometimes included in a steamship's installation for supplying steam to auxiliaries in port．A．monkey B．donkey C．waste heat D．main22．Here some oil in the oily water separator, as a result of its lower ______, will separate and rise into the oil collection space．A．temperature B．viscosity C．density D．velocity23．The term ‘discharge ’, as it applies to the pollution regulations, means _____．A．spilling B．leaking C．dumping D．All of the above ．24．In a complete oil/water separator, more oil will separate out onto the underside of these plates and travel outwards until it is free to rise into the oil collecting space．What‟s the meaning of “it” in the sentence above?A．a separator B．oil C．water D．an oil collecting space 25．Which of the listed burning materials would be described as a class … B ‟ fire?A．Acetylene. B．Lube oil. C．Grease. D．All of the above．26．According to the international regulations concerning the prevention of pollution of sea areas from ships, the disposal into the sea of all plastics is ___．A．welcome B．admitted in some special sea areasC．prohibited D．acceptable27．Among the basic categories of equipment, which of the following are used to allow the hydraulic energy to be controlled?A．hydraulic pumps B．valves C．hydraulic cylinders D．hydraulic motors 28．The rotor of the hydraulic motor rotates at a speed proportional to the ___．A．flow of oil B．pressure of oil C．A and B D．temperature of oil29．It is important that the two condensate drain cocks, fitted to the underside of the air chest, ___ until the engine is placed on full load．A．remain open B．remain close C．retain open D．retain close 30．Broken valve strips in an operating low pressure, air compressor will cause _____．A．an immediate crankcase explosion B．oil contamination in the compressed airC．a decrease in compressor capacity D．no immediate loss of the compressed air capacity 31．The saturation temperature of the refrigerant must be ___ that required in the evaporator refrigerated space．A．above B．below C．equal to D．None of the above．32．The boiling and condensation points of a refrigerant depend on the ___ exerted upon it．A．temperature B．pressure C．velocity D．heat33．The current flowing first in one direction and then in another is called ____ current．A．an alternating B．a rush C．a direct D．an exciting34．An emergency generator, driven by an internal combustion engine, shall be tested under load for a minimum of 2 hours at least once every _____________．A．week B．2 weeks C．month D．3 months35．The output voltage of a three-phase alternator is regulated by the _____________．A．AC voltage to the armature B．AC voltage to the fieldC．DC voltage to the armature D．DC voltage to the field36．The emergency generator or emergency battery is connected to ___ on most large ships．A．distribution boards B．section boardsC．emergency switch boards D．main switch boards37．Electrical supply is always needed even if only for lighting so after a ship goes into service it is extremely rare for the main bus-bars to be dead, it therefore follows that the bus-bars arecontinuously alive ____ the life of the ship ．A．along B．will C．throughout D．for38．______control system is one in which the control action is independent of the output．A．Feed back B．Negative feed back C．Close loop D．Open loop39．A manometer is used to measure ___．A．pressure B．temperature C．volume D．specific gravity40．You must take good care of the drainage cock of the air control system．Because ____ leads scale formed which might malfunctions the pilot control valve and other instruments．A．the temperature B．the rust C．the pressure D．the humidity 41．Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to _______．A．temperature B．pressure C．engine speed D．All of the above．42．The first requirement for logical troubleshooting of any system is the ability to _____．A．collect all available data on a casualtyB．recognize normal operationC．identify the probable cause of a symptomD．isolate the faulty component43．STCW shall apply to seafarers ___ on board seagoing ships entitled to fly the flag of a Party．A．served B．serving C．surveyed D．surveying44．Diesel engine exhaust temperatures may be used to indicate ______．A．leaking exhaust valves B．an overloaded cylinderC．a clogged injector nozzle D．All of the above．45．Which of the listed conditions is most likely to cause a crankcase explosion?A．A high cooling water temperature．B．Fuel dilution of the lube oil．C．Excessive engine speeds．D．Improper lube oil viscosity．46．Poor combustion in a diesel engine can be caused by _______．A．high compression pressure B．low intake air pressureC．low exhaust pressure D．high scavenge air pressure47．In a diesel engine, an extremely leaking exhaust valve can cause ______．A．misfiring B．pre-ignitionC．interrupted scavenging D．reduced scavenging48．Diesel engine automated control systems may utilize sensing devices of dual function, with sensing ranges providing both alarm and engine shut down capability．Which of the key points listed would only require an alarm sensor?A．Lube oil pressure and temperature．B．Jacket water pressure and temperature．C．Engine over-speed．D．Lube oil sump level．49．Fix the fuel injector into ___ after repair．A．the cylinder liner B．the cylinder cover C．the cylinder jacket D．the piston 50．During ___, the starting air valves should be closed to prevent the engine from turning．A．overhaul B．running C．blowing down D．All of the above are correct．51．Each journal and pin should be examined for ______ and grooving．A．bridges B．recesses C．rears D．ridging52．During repair, lubrication lines and orifices must be ____．A．taken away B．engaged C．connected D．sealed off53．If the effective bearing area has been reduced ______ , remedial action should be taken．A．by more than 5 percent B．by less than 10 percentC．to 95 percent D．to less than 90 percent54．The difference between measured and desired values is called _____．A．make-up B．desired value C．set value D．deviation55．It is well known that the whole power distribution of the ship’s electrical services mainly depend on the _______．A．sub-boards B．main switchboardsC．emergency switchboards D．distribution boards56．Which of the motors for the devices listed below is fitted with an instantaneous overload relay?A．Fan B．Winch C．Pump D．Machine tool57．The crankcase cover should never be allowed to open for investigation when ____．A．the engine stops B．the engine is runningC．you repair the engine D．overhauling the engine58．In the engine department, the ___ is looked upon to provide the leadership that is needed．A．captain B．chief engineer C．chief officer D．chief motorman 59．Routine monitoring of a diesel engine should include _______．A．checking for leaks B．checking temperatures and pressuresC．listening for abnormal noises D．All of the above．60．If your vessel has a starboard list after taking on fuel, you would transfer fuel _____．A．to starboard B．to port C．forward D．aft.61．Your vessel has run aground and upon taking fuel oil tank soundings, you find that a fuel tank level has increased．You therefore should suspect ______．A．condensation in the fuel tank B．a crack in the hull portion of the fuel tankC．a load of bad fuel D．contamination from the saltwater flushing system 62．The order“Bow thrust stop．”means“_____”．A．Bow thrust full to port B．Bow thrust full to starboardC．No bow thrust revolutions D．No stern thrust revolutions63．The auxiliary steering gear must be capable of being brought speedily into operation and be able to put the rudder over from 15 degrees on one side to 15 degrees on the other side in no more than_____ with the ship at its deepest service draught and running ahead at the greater of one half of the maximum service speed or _____．A．28 seconds/7 knots B．28 seconds/14 knotsC．60 seconds/7 knots D．60 seconds/14 knots 64．A ______sometimes called filters, is a device designed to prevent the passage of unwanted solids into the system．A．s team trap B．c heck valve C．s eparator D．s trainer65．A fire involving aluminum powder would be a class _________．A．'A' fire B．'B' fire C．'C' fire D．'D' fire66．If a small fire initially breaks out in the engine room bilges, in which of the following sequences should the fire extinguishing agents or systems be used?A．Fixed CO 2 , semi-portable CO 2 ,then hand portable CO 2．B．Semi-portable CO 2 ,fixed CO 2 , then hand portable CO 2．．C．Hand portable, semi-portable CO 2 , then as a last resort the fixed CO 2 system．D．Hand portable, fixed CO 2 , then as a last resort the semi-portable CO 2．67．Engines for lifeboats are required to have sufficient fuel to operate for how many hours?A．6 hours B．12 hours C．18 hours D．24 hours68．The SOLAS Convention in its successive forms is generally regarded as the most important of all international treaties concerning the ______ of merchant ships．A．pollution B．economization C．safety D．efficiency二．关联题（每组关联题题干下有4个小题，每小题4个选项）第一组:The cylinder cover is made of cast iron and is provided with two inlet valves, two exhaust valves, a central mounted fuel injection valve and an indicator valve．The inlet valves are mounted with separate seating rings made of special heat-resistant cast iron．These rings are pressed into the cylinder cover in cooled conditions．The exhaust valve seatings are special, water-cooled seating rings．These rings are also pressed into the cylinder cover in cooled conditions．Each cylinder cover is provided with cooling water from a screwed -on tubular cooling water jacket through radial bores in the thick bottom of the cover．Each of the radial bores is connected to two side bores．The cover has further separate bores that lead to the cooling water jacket and the bores in the cylinder cover to a common outlet chamber．The cylinder cover and cylinder liner are assembled by means of four threaded studs screwed into the frame．Tightening is effected by means of hydraulic tools, and sealing by means of a thin ring mounted between the cylinder cover and the cylinder liner．A starting valve is mounted on the side of the cylinder cover．The engine has oil-cooled pistons of cast iron．The pistons are provided with three compression rings and a spring-loaded scraper ring．A space for cooling oil is provided at the top of the piston．The scraper ring prevents lubricating oil from being drawn up into the combustion chamber．Oil for cooling the piston crown is led from a bore in the crankshaft through a channel in the connecting rod and the connecting rod journal, to the bushing for the gudgeon pin．This bushing is provided with an annular groove from which part of the oil is led for lubricating the gudgeonpin．The remaining oil continues through bores in the gudgeon pin and the piston to piston cooling chamber．69．This passage is mainly about ___．A．cylinders and cylinder covers B．cylinders and pistonsC．cylinder covers and pistons D．cylinders and oil70．Which of the following may be provided on top of the cylinder cover?A．two exhaust valves B．a starting valveC．an indicator D．All of the above.71．Which of the following is true?A．The inlet valve seating rings are of heat-resistant cast steelB．There are six studs by which the cylinder cover and liner are tightenedC．The exhaust valve seatings are cooled by waterD．A copper ring is mounted between the cylinder cover and the liner72．Which of the following is NOT true?A．The pistons are cooled by oil B．Four piston rings are fitted to each piston C．The scraper ring scrapes the oil downwards D．The piston cooling is of splash type 第二组:Each type has its merits and most systems will deploy two or more of the above types of devices depending on the space being protected．Within machinery spaces, ionization smoke detectors are generally considered the first line of defense．These devices monitor the electrical charge which occurs when combustion particles reach the charged space in the detector．So that the units can be readily tested an indicator light is provided on the sensor body．This lights up in the presence of gas from a test canister or even from the fumes off a cigarette．73．Which of the following detectors are based on the charges or light principle?A．smoke detectors B．heat sensorsC．temperature rising sensors D．flame detectors74．In general,_______ of fire detectors are fitted on the compartment being protected at least．A．one type B．two types C．three types D．four types75．Within engine room, ______sensors are arranged certainly．A．smoke B．heat C．temperature rising D．flame 76．Which of the following statements is true?A．The more types of fire detectors are fitted on the space being protected, the more possible it is to avoid fire hazards．B．Flame detectors are based on the light principle of fire detection．C．Cigarette smoking may cause fire．D．A test canister means it is necessary to sample fumes for detection fire．三．中译英（共2题，请将答案写在答题纸上）77．我们很清楚船进港后不允许随意排放油柜或被油污染的空间内的舱底水和含油的水。

中华人民共和国海事局2002年第2期海船船员适任证书全国统考试题（总第29期）科目：船舶辅机试卷代号：843适用对象：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：本试卷试题均为单项选择题，请选择一个最适合的答案，并将该答案按答题卡要求，在其相应位置上用2B铅笔涂黑，每题1分，共100分。

1．会使泵允许吸上真空度减小的是：A．吸入液面大气压力升高B．输送液体温度降低C．输送液体流量增加D．排出管路阻力下降2．泵在额定流量时的允许吸上真空度与______无关。

A．泵的结构与形式B．吸入液面大气压力大小C．吸入液体种类及其温度D．泵的排出条件3．会使往复泵泵阀升程增大的是：A．转速降低B．用环阀、群阀代替盘阀C．用锥阀代替盘阀D．阀弹簧张力减弱4．往复泵自吸能力好坏与泵的______有关。

A．工作压头B．功率C．密封性D．几何尺寸5．电动往复泵未开排出阀起动，安全阀因故未开，不会导致：A．轴承负荷加重B．电机过载C．排出压力表指针顶弯D．泵阀升程过大6．三螺杆泵排油时从动螺杆主要是依靠：A．油压力驱动B．齿轮驱动C．主动螺杆啮合传动D．皮带传动7．带月牙形隔板的可逆转内啮合齿轮泵反转时：A．吸、排方向改变，但隔板位置不动B．吸、排方向不变，隔板位置不动C．隔板转过180°，吸、排方向改变D．隔板转过180°，吸、排方向不变8. 往复泵的转速不能太高，主要是由于______的限制。

A. 泵的结构强度B. 泵阀工作性能C. 泵的输出功率D. 允许吸入真空度9．在①单螺杆泵②双螺杆泵③三螺杆泵中，属密封型的是：A. ①②③B.①③C. ①②D. ②③10．齿轮泵端盖近啮合齿处常开有一对矩形槽，其作用是：A．存油防干磨B．平衡轴向液压力C．防止气蚀D．防止困油11．三螺杆泵解决轴向液压力不平衡的方法不包括：A．设止推轴承B．采用双吸形式C．设平衡孔或平衡管D．设液力自动平衡装置12．喷射泵的性能曲线给出了______之间的关系。

中华人民共和国海事局2002年第2期海船船员适任证书全国统考试题（总第29期）科目：航海英语试卷代号：901适用对象：无限航区、近洋航区船舶船长(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，在相应位置上用2B铅笔涂黑。

第1题至68题，每题1分，第69题至76题，每题1.5分，第77题至78题每题10分。

一．单项选择题1．Y our vessel is port side to a pier with a spring line led aft from the bow. In calm weather，putting the engines ahead with the rudder hard left should bring ______.A. the bow in and the stern outB. both the bow and stern inC. the bow out and the stern inD. both the bow and stern out2．Y our facsimile prognostic chart indicates that you will cross the cold front of a low pressure system in about 24 hours. Y ou should ______.A. expect to see cirrus clouds followed by altostratus and nimbostratus cloudsB. alter course to remain in the navigable semicircleC. prepare for gusty winds，thunderstorms，and a sudden wind shiftD. expect clear weather，with steady winds and pressure，until the front passes3．LOW A T 34N 135E ESLY SLWLY INTST NC．This description is most likely to be under the heading of ______.A. GL WNGB. GEN SYNC. STM WNGD. T Y WNG4．In the Northern Hemisphere，the largest waves or swells created by a typhoon or hurricane will be located ______.A. in the southeast quadrant of the stormB. directly behind the storm centerC. forward and to the right of its courseD. behind and to the left of its course5．If you saw flames aboard a vessel but could see the vessel was not on fire，you would know that the ______.A. crew was trying to get warmB. vessel required immediate assistanceC. vessel was attempting to attract the attention of a pilot boatD. vessel was being illuminated for identification by aircraft6．If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position，what winds can you expect in the Northern Hemisphere?A. East to northeastB. East to southeastC. North to northwestD. South to southeast 7．If the gyrocompass error is east，what describes the error and the correction to be made to gyrocompass headings to obtain true headings?A. The readings are too low (small numerically) and the amount of the error must be added tothe compass to obtain trueB. The readings are too low and the amount of the error must be subtracted from the compass toobtain trueC. The readings are too high (large numerically) and the amount of the error must be added tothe compass to obtain trueD. The readings are too high and the amount of the error must be subtracted from the compassto obtain true8．12HOURS GALE WARNING V ALID FROM 1103900700 UTC．From this phrase，the warning is expected to be valid from ______.A. 0700 UTC MAR 11，1990B. 0700 UTC NOV 03，1990C. 0700 UTC，1103 UTCD. 11，39，07 UTC9．when ______，the provisions of the Bill of Lading will be used as a basis for settlement．A. an event is in connection with the marine peril at seaB. a matter is linked to a person injuryC. a fact is being contracted by Charter PartyD. a case is related to dispute about cargo10．In telex abbreviations，CFM and INFM refer to ______ and ______ respectively．A. confirm，informB. confide，inflowC. conform，infuseD. confessed，inflame 11．Y our vessel is equipped with totally enclosed lifeboats. Which statement is TRUE when the boat is enveloped in flames?A. The ventilators will automatically close by the action of fusible linksB. The motor takes its air supply from outside the lifeboat to prevent asphyxiation of the crewC. A water spray system to cool the outside of the boat is operated by a high-volume manualpumpD. An air tank will provide about ten minutes of air for the survivors and the engine12．Y our vessel is equipped with a fixed CO2 system and a fire main system. In the event of an electrical fire in the engine room what is the correct procedure for fighting the fire?A. Use the CO2 system and evacuate the engine roomB. Use the fire main system and evacuate the engine roomC. Evacuate the engine room and use the CO2 systemD. Evacuate the engine room and use the fire main system13．Unless it is unavoidable do not jump from a place higher than 5 meters into the water, try tominimize the shock of sudden cold immersion．When should the said caution be taken into account？A. The mariners try to put out fire on board of vesselB. The people on board try to survive themselves from a ship in perilsC. The salvors take actions to rescue the survivors at seaD. The pilot come on board from his boat in bad weather14．In writing up the log book at the end of your watch，you make an error．which of the following is the way to correct the error？A. Carefully and neatly erase the entry and rewrite it correctlyB. Remove this page of the log book and rewrite all entries on a clean pageC. Blot out the error completely and rewrite the entry correctlyD. Cross out the error with a single line and rewrite the entry correctly15．If heavy smoke is coming from the paint locker，the FIRST firefighting response should be to ______.A. release the CO2 flooding systemB. open the door to evaluate the extent of the fireC. enter and use a portable extinguisherD. secure the ventilation16．Before using a fixed CO2 system to fight an engine room fire，you must ______.A. secure the engine room ventilationB. secure the machinery in the engine roomC. evacuate all engine room personnelD. All of the above17．All of the following records are usually maintained by the watch-standing officers aboard a vessel EXCEPT the ______.A. deck logbookB. official logbookC. compass record bookD. chronometer error book 18．After abandoning ship，you should deploy the sea anchor from a life raft to ______.A. keep the life raft from capsizingB. navigate against the currentC. keep personnel from getting seasickD. stay in the general location19．______ the master is to use all reasonable care to bring the adventure to a successful conclusion，protecting the ship and cargo from undue risks，as agent for the Shipowner．A. The only duty ofB. None of the duties ofC. One of the main duties ofD. No duty of 20．Y our vessel is listing 4°to port and has a short rolling period. There is loose firefighting water in the hull. The ship is trimmed down by the head with one foot of freeboard at the bow.Which action should you take FIRST?A. Press up the slack NO.1 starboard double bottom tankB. Pump out the forepeak tankC. Eliminate the water in the tween decks aftD. Jettison stores out of the paint locker in the forecastle21．A dangerous cargo manifest is needed for you to carry a combustible cargo. Y ou should obtain the shipping papers to make this manifest from the ______.A. manufacturerB. CCSC. MSAD. shipper22．The official number of a documented vessel is ______.A. not required to be marked anywhere on the vesselB. required to be permanently marked on the vessel's structureC. required to be painted on the vessel's sternD. required to be painted on the vessel's bow23．The notice of casualty to a vessel must include ______.A. a request for assistanceB. the location of the unit at the time of the casualtyC. an estimate of the cost to repair damagesD. the amount of fuel remaining24．A transfer of a bill of lading with the intention of passing the property in the goods ______ the rights and liabilities under the contract of carriage．A. transferredB. did not transferC. recoveredD. did not recovered 25．Owner shall have a lien on the cargo for freight，dead-freight，demurrage and damages for detention．It means that ______.A. Owner will not deliver the cargo if freight not paidB. Owner will keep the dead-freight until the cargo has been deliveredC. Owner will keep the demurrage as soon as the cargo be deliveredD. Owner shall have no right of detention for the damaged cargo to be delivered26．In the event of conflict of conditions，the Provisions of Part(1) shall prevail over those of Part(2) to the extent of such conflict．This says that ______.A. If Part (1) and Part (2) are conflict，Part(1) shall stand void．B. If Part (1) and Part (2) are conflict，Part(2) shall stand void．C. If Part (1) and Part (2) are different，neither shall stand void．D. If Part (1) and Part (2) are different，either shall stand void27．According to the Sale Contract，it's of FOB plus S．T．term．It's quite obvious that ______.A. our ship is not responsible for trimming and stowingB. our ship is responsible for trimming and stowingC. our ship is responsible for expensesD. our ship is not responsible for expenses28．Which statement concerning the carriage of containers is TRUE?A. The Chief Mate and Master of a container ship should have the proposed stowage plan readyfor the stevedore upon arrival in portB. When stowed on deck of a break bulk ship，the bottom of the container must be evenlysupported throughoutC. With tiered containers，a 40-foot container may be stowed on top of two 20-foot containersD. Deck load calculations must take into account the square footage of the entire containerbottom29．If the named port is one at which no tugs are ever obtainable，and the chartered vessel can not，by reason of her size，reach that port without the assistance of tugs，the port is ______.A. safeB. not safeC. goodD. not good30．Y our vessel is damaged and listing to port. The rolling period is long，and the vessel will occasionally assume a starboard list. Which action should you take FIRST?A. Fill an empty double bottom tank on the starboard sideB. Transfer all possible movable weights from port to starboardC. Pump out ballast from the port and starboard double bottom tanksD. Press up a slack centerline double bottom tank31．Y our vessel grounds due to an error in navigation．Damage to the hull causes water damage to cargo in ＃3 hold．Deck cargo is thrown overboard to help refloat the vessel．The vessel successfully returns to port in this condition. Which of the following is considered as particular average？A. Cargo damage in ＃3 holdB. Loss of deck cargoC. Damage to the hullD. Cargo damage in ＃3 hold and damage to the hull 32．Y ou suspect that a crewmember has fallen overboard during the night and immediately execute a Williamson turn. What is the primary advantage of this maneuver under these circumstances?A. Y ou will be on a reciprocal course and nearly on the track line run during the night.B. The turn provides the maximum coverage of the area to be searched.C. The turn enables you to reverse course in the shortest possible time.D. Y ou have extra time to maneuver in attempting to close in on the man for rescue. 33．Which of the following is INCORRECT regarding noting protest after having a rough ocean voyage？A. Protest shall be noted upon arrival in the first port before a notary public or a port authority．B. If damage to cargo is found while in the first port of call you should extend your noteof protest．C. If in any other port further damage to cargo is found you should extend your note of protest．D. Y ou note protest because it proves conclusively that the vessel was not at fault for any cargodamage34．Where the contract is to insure the subject-matter at and from，or from one place to another or others，the policy is called a ______.A. contract policyB. insurance policyC. time policyD. voyage policy 35．Where the charter-party states that payment of hire is to be made without discount，this merely means that ______.A. there is to be no discount for early paymentB. hire is absolutely payableC. no money is to be deducted from the hireD. under no circumstances can the hire be made at the rate greater than the contractual 36．When the ship has arrived at the place of discharge，______ must take steps to receive the goods．A. the consignee or the indorsee of the bill of ladingB. the shipper or the consignorC. the carrier or the consigneeD. the consignor or the indorsee of the bill of lading37．The Shipowner may do what is reasonable ______ any of these liens in view of the fact that they are possessory liens，i．e．they can only be enforced by retaining actual or constructive possession of the cargo．A. to delayB. to arrangeC. to sustainD. to maintain38．The Shipowner can，however，exempt himself from liability for ______，but if he wishes to do so，he must use clear and unambiguous language．A. seaworthyB. seaworthinessC. unseaworthyD. unseaworthiness39．The Note of Sea Protest shall not be submitted to ______.A. Port AuthorityB. Notary PublicC. Diplomatic RepresentativeD. the Government of the port40．The laydays according to the Charter Party commence at 0800 hrs．on 13th June，and will expire at 1600 hrs．on 19th June，after that the vessel will be on demurrage．This kind of wording usually appears in ______.A. a ship's certificateB. a Note of Sea ProtestC. a Notice of ReadinessD. All of the above 41．Once vessel has been cleared by Port Health or Immigration ______ must proceed to appropriate berth or anchorage．A. ItB. sheC. heD. the vessel42．On a vessel with a single propeller，transverse force has the most effect on the vessel when the engine is put ______.A. full aheadB. full asternC. half aheadD. slow astern43．It will be sufficient to indicate the year in which the keel was laid or when the ship was in a similar stage of construction except for 1952，1965，1981，1984 and 1986，in which cases the actual date should be given．This says that ______ is not sufficient for time on which keel was laid．A. 1973B. 23rd June 1980C. 15th May 1984D. 198644．Information about direction and velocity of rotary tidal currents is found in the ______.A. Tide TablesB. Nautical AlmanacC. Current TablesD. Mariner's Handbook45．Making water rapidly in all holds，all passengers and crew were ordered on deck ______ and all boats were lowered to rail.A. in life jacketsB. with life jacketsC. with life jackets onD. putting on life jackets 46．In the event of a casualty to a vessel，who is responsible to make records available to the governmental official authorized to investigate the casualty?A. Officer in Charge，Marine InspectionB. The person who caused the casualtyC. The company manD. The owner47．In the event of any quarantinable disease breaking out during its currency，the certificate of pratique generally ______.A. becomes null and voidB. remains effectiveC. is to be extendedD. is to renewed 48．In plugging submerged holes on a vessel，rags，wedges，and other materials should be used in conjunction with plugs to ______.A. reduce the water pressure on the hullB. reduce the water leaking around the plugsC. prevent progressive floodingD. reduce the possibility of stress fractures 49．In a river subject to tidal currents，the best time to dock a ship without the assistance of tugs is ______.A. at high waterB. when there is a following currentC. at slack waterD. at flood 50．If the Shipowner has agreed to receive deck cargo，______ must contribute to the loss，provided the owner of the jettisoned goods is the sole cargo owner．A. the shipB. the ship and the freightC. the freightD. neither the ship nor the freight 51．If the carrier is responsible for the damage or loss of the cargo，______ will have to pay to the insurance company．A. the cargo holderB. the ShipownerC. the ship's crewD. the P and I Club52．If more than one raft is manned after the vessel has sunk，you should ______.A. go in a different direction in search of landB. spread out to increase the possibility of a search aircraft finding youC. reduce the number of rafts by getting as many people as possible into as few rafts as possibleD. tie the rafts together and try to stay in a single group53．How does the effect known as bank suction act on a single-screw vessel proceeding alonga narrow channel?A. It pulls the bow toward the bank.B. It pushes the entire vessel away from the bank.C. It pulls the stern toward the bank.D. It heels the vessel toward the bank.54．First aid means ______.A. medical treatment of accidentB. setting of broken bonesC. emergency treatment at the scene of the injuryD. dosage of medications55．Every act of assistance or salvage，which has had a useful result，should give a right to ______ remuneration．A. obtainableB. equitableC. profitableD. approvable56．Before passing the Suez Canal the master has to fill out ______ given by the pilot．A. the Pilotage listB. the Pilotage formC. the Pilotage chartD. the Pilotage certificate 57．When clearing a vessel for a foreign voyage，the original crew list is duly certified by proper authority. In a PRC port，this authority is the PRC ______.A. MSAB. CustomsC. Immigration ServiceD. Public Health Service58．A vessel's Certificate of Documentation ______.A. may be retained by the owner at the home port or kept on the vesselB. must be posted under transparent material in the pilothouseC. must be carried on boardD. must be kept on file at the corporate offices of the owner or operator59．A vessel has been damaged by fire. The survey shows the cost of repairs will exceed the value of the repaired vessel. This is an example of a(n) ______.A. constructive total lossB. salvage lossC. actual lossD. preferred loss60．A local wind which occurs during the daytime and is caused by the different rates of warming of land and water is called a ______.A. foehnB. chinookC. land breezeD. sea breeze61．Y ou are using the anchor to steady the bow while maneuvering. Y ou have the proper scope of anchor cable when the ______.A. bow is held in position with the engines coming slowly aheadB. anchor is just touching the bottomC. scope is not more than 5 times the depth of the waterD. cable enters the water at an angle between 60°and 85°from the horizontal62．The document which acknowledges that the cargo has been received and is in the carrier's custody is called the ______.A. Dock ReceiptB. Hatch Report and RecapitulationC. Cargo ManifestD. Stowage Plan63．The shipping papers for the products being carried in your tankship are NOT required to contain the ______.A. exact quantity of the cargoesB. grades of the cargoesC. location of the delivery point(s)D. name of the consignee(s)64．Temporary Certificates of Inspection are effective until the ______.A. SOLAS Certificate is issuedB. Load Line Certificate is renewedC. classification society approval is issuedD. permanent Certificate of Inspection is issued65．Several merchant ships are arriving at the scene of a distress incident. One of the them must assume the duties of the Coordinator Surface Search (CSS). Which of the follow ing statements is TRUE?A. CSS duties are always assumed by passenger vessels, dry cargo vessels，or tankers in thatorder of precedenceB. The CSS must be established by mutual agreement between the ships concernedC. A tank vessel should never be assigned CSS duties unless only tank vessels are presentD. The first vessel to arrive at the distress incident is designated as the CSS66．RYTLX DD 5TH/4 HA VING CONTACTED HARBOUR OFFICE AND LOCAL SALV AGE COMPANY WE WUD LIKE TO ADVISE TT，THEY ARE GLAD TO ASSIST YOU TO POSITION THE ANCHOR AND GET IT OUT OF W A TER. This fax says that ______.A. they are glad to salvage the anchorB. the HARBOUR OFFICE has been advised that the anchor has been gotten out of waterC. the LOCAL SALV AGE COMPANY can hardly salvage the anchorD. both HARBOUR OFFICE and LOCAL SALV AGE COMPANY will be contacted to salvagethe anchor67．OWING TROPICAL STORM9706 CROSSING OUR/COURSE PLSPERMIT SHELTERING KAGOSHIMA KAIWAN. This cable indicates that ______.A. she requested shelter permissionB. she intended to berth at port of KAGOSHIMAC. she intended to change her courseD. she was reporting to the port that a tropical storm is coming68．It is not necessary to declare ______ in the Health List.A. AppendicitisB. CholeraC. PlagueD. Typhus fever二．关联题（每组关联题题干下有4个小题，每小题4个选项）第一组：At the time of shipment of dangerous goods, the shipper shall, in compliance with the regulations governing the carriage of such goods, have them properly packed, distinctly marked and labelled and notify the carrier in writing of their proper description, nature and the precautions to be taken. In case the shipper fails to notify the carrier or notified him inaccurately, the carrier may have such goods landed, destroyed or rendered innocuous when and where circumstances so require, without compensation. The shipper shall be liable to the carrier for any loss, damage or expense resulting from such shipment.Notwithstanding the carrier’s knowledge of the nature of the dangerous goods and his consent to carry, he may still have such goods landed, destroyed or rendered innocuous, without compensation, when they become an actual danger to the ship, the crew and other persons on board or to other goods. However, the provisions of this paragraph shall not prejudice the contribution in general average, if any.69. The shipper shall have the dangerous goods ______ at the time of their shipment.Ⅰ.properly packed Ⅱ. rendered innocuous Ⅲ. distinctly marked and labelledA.Ⅰ～ⅢB.Ⅰ& ⅡC.Ⅱ& ⅢD.Ⅰ&Ⅲ70. The shipper shall notify the carrier in writing of _______.A. the nature of the dangerous goodsB. the description of the dangerous goodsC. the precautions to be taken in respect of the carriage of such goodsD. all of the above71. In which of the following situations may the carrier have the dangerous goods destroyed?Ⅰ. The carrier has consented to carry such goods with knowledge of the nature of them.Ⅱ.The shipper has failed to notify the carrier of the nature of such goods.Ⅲ. The goods have become an actual danger to the ship.A. When either item I or II or III arises alone.B. When items II and III arise together, or when item I arises alone.C. When items I and III arise together, or when item II arises alone.D. In certain situations other than the above.72. In this passage, “rendered innocuous” means _________________.A. caused to be harmlessB. landed safelyC. performed innocentlyD. delivered without delay第二组The Port of London comprises the 147km of the tidal river Thames, and the enclosed dock system at Tilbury．The limits of the port are from Teddington to those territorial waters within a limit as follows: from Foulness Point（Essex）to Gunfleet old lighthouse to 51º26'36"N, 01º25'30"E to Warden Point（Kent）, exclusion is any part of the port as defined in the Medway Ports Reorganisation Scheme 1968; River Lea or Bow Creek within the jurisdiction of the British Waterways Board; The Grand Union Canal and Regents Canal Dock．For London District River Pilots the upper limit is London Bridge and the down river limit is just below Gravesend．For the London District Sea Pilots the upriver limit is an imaginary line from the Sealink ferry pier at Gravesend to Tilbury Passenger Landing Stage and the lower limit is a line running from Felixstowe across the mouth of the Thames outside the Goodwin Sands to Folkestone．The Thames Barrier, built for the Greater London Council at Woolwich Reach to afford protection against tidal floods is now under control of the Thames Water Authority．It allows shipping to and from the upper areas of the Port of London to pass without restriction during periods of non-surge conditions．Spanning 520m across the river, it comprises ten rising sector gates, of which four main gates for navigation have a width of 61m and two subsidiary gates have a width of 35m．73. ______ does not belong to the Port of London.A. River Lea or Bow Creek within the jurisdiction of the British Waterways BoardB. The Grand Union Canal and Regents Canal DockC. From Foulness Point（Essex）to Gunfleet old lighthouse to 51º26'36"N, 01º25'30"E to WardenPoint（Kent）, excluded is any part oD. Any part of the port as defined in the Medway Ports Reorganisation Scheme 196874. For the London District Sea Pilots the upriver limit is ______.A. London BridgeB. just below GravesendC. an imaginary line from the Sealink ferry pier at Gravesend to Tilbury Passenger Landing StageD. a line running from Felixstowe across the mouth of the Thames outside the Goodwin Sands toFolkestone75. ______ is spanning 520m across the river, comprising ten rising sector gates, of which four maingates for navigation have a width of 61m and two subsidiary gates have a width of 35m．A. The Thames BarrierB. Felixstowe across the mouth of the ThamesC. Woolwich ReachD. Thames Water76.This passage is most likely extracted from ______.A. Guide to Port EntryB. Notices to MarinersC. Attachment to a Charter PartyD. Ocean Passage三．中译英（共2题，请将答案写在答题纸上）77．代理先生：我轮的免于除鼠证书和安全设备证书已过期。

2023年海船船员考试《轮机长》考试历年真题摘选附带答案第1卷一.全考点综合测验(共20题)1.【单选题】机舱风油应急切断装置应设在______,每______个月进行一次试验并记录,机舱天窗、烟囱百叶窗速闭装置，每_____个月进行关闭试验并记录。

A.机舱外/1/1B.集控室及驾驶台/2/3C.集控室/3/6D.机舱外/6/32.【单选题】接船船员进厂后除尽快熟悉分管设备性能外，应特别注意：A.了解建造遗留问题B.掌握应急设备使用性能C.现场施工质量D.了解航行试验项目3.【单选题】轮机长调动交接制度中规定，有关海损索赔报告：A.不得移交给接班轮机长代行，应由移交轮机长自行办理B.由船长接受办理C.移交给大管轮办理D.向接任轮机长交代清楚4.【单选题】轮机长应在船长领导下工作，在行政上是()，从技术上是()。

Ⅰ、轮机部行政负责人Ⅰ、全船机械、动力及电器设备（除通导和甲板部的电子仪器外）的技术总负责人Ⅰ、全船所有机电设备总负责人Ⅰ、对其他部门使用有关设备在技术上进行指导Ⅰ、仅次于船长的行政负责人A.Ⅰ / ⅠB.Ⅰ / ⅠC.Ⅰ / Ⅰ+ⅠD.Ⅰ / Ⅰ+Ⅰ5.【单选题】在大风浪中航行，轮机长对轮机部工作的指导中心应是：A.亲临机舱值守B.保证动力装置正常运转C.指导检修设备D.勤换燃油滤器6.【单选题】对于实施循环检验的船舶，轮机长的职责是：Ⅰ、应熟知当年内应检验的项目，这些项目安排在那个月Ⅰ、验船师检验前，应安排好相关设备的解体与清洁Ⅰ、凡验船师检验的项目轮机长可以不在现场Ⅰ、验船师到船进行确认检查需要做效用试验的，必须安排操作人员A.Ⅰ +ⅠB.Ⅰ +Ⅰ+ⅠC.Ⅰ +ⅠD.Ⅰ +Ⅰ+Ⅰ7.【单选题】在接新船时，如有可能轮机长应组织分管轮机员参加设备的检验，如有问题其正确的处理方法是：A.与施工人员直接交涉B.向验船师提出C.书面向监造组和验船师提出D.书面向监造组提出8.【单选题】新造船舶在开航后的三个月内，轮机长应组织轮机员做好下列工作：Ⅰ、所有应急设备的试验Ⅰ、所有设备的操作规程及相关规章制度整理张贴Ⅰ、校核自动控制显示数据与温度表、压力表的实际值Ⅰ、根据运行状态，选择一台副机进行解体检查A.仅仅是ⅠB.Ⅰ +ⅠC.Ⅰ ~ⅠD.Ⅰ ~Ⅰ9.【单选题】船上安全管理的要求是实现“本质化管理”，即运用安全科学，从根本上消除形成事故的_______,采取尽可能的防护措施，形成某种条件下的_______。

中华人民共和国海事局2002年第2期海船船员适任证书全国统考试题（总第29期）科目：主推进动力装置试卷代号：833适用对象：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：本试卷试题均为单项选择题，请选择一个最适合的答案，并将该答案按答题卡要求，在其相应的位置上用2B铅笔涂黑，每题1分，共100分。

1．在内燃机中柴油机的本质特征是：A．用柴油做燃料B．外部混合 C．内部燃烧D．压缩发火2．下列关于四冲程柴油机工作特点的说法中错误的是：A．用四个行程完成一个工作循环B．进、排气过程持续角比二冲程的小C．在上止点附近存在气阀重叠角D．每完成一个工作循环,曲轴回转二周3．现代船用大型二冲程柴油机换气形式向气口—气阀直流换气发展的主要原因是：A．结构简单B．行程缸径比增加C．换气质量好 D．气阀可靠性高4．柴油机增压的主要目的是：A．增加进气量使燃烧完全B．提高柴油机功率C．改善柴油机结构D．增加过量空气,降低热负荷5．柴油机的有效功率是指：A．气缸中燃气单位时间内对曲轴所作功B．螺旋桨吸收的功率C．柴油机飞轮端输出的功率D．船舶航行所需功率6．发电柴油机,当其负荷增加时,其机械效率 m的变化规律是：A．增加 B．降低 C．不变 D．随机7．根据柴油机结构的不同,柴油机可分为：I．十字头式II．二冲程III．筒形活塞式IV．四冲程V．增压式 VI．非增压式A． II +VI B． IV+V C．II+V D． I+III8．对于筒形柴油机为了减轻重量,其主要固定件可没有：A．机体 B．机架C．机座 D．气缸体9．活塞顶面出现龟裂的主要原因是：A．由切向机械应力产生径向裂纹B．由径向热应力产生圆周裂纹C．冷却效果不良D．A+B10．下列材料中不适于作为活塞环材料的是：A．灰口铸铁 B．合金铸铁 C．可锻铸铁 D．球墨铸铁11．十字头式柴油机活塞裙上安装承磨环的主要目的是：A．磨合初期防止拉缸 B．防止缸套与活塞接触C．在运行中起导向作用D．减轻振动,防止撞击12．关于十字头柴油机活塞杆填料函的错误说法是：A．活塞杆填料函固定在活塞杆上起密封与刮油作用B．活塞杆填料函固定在横隔板上起密封与刮油作用C．通常,在填料函内有两组填料环分别为密封环与刮油环D．活塞杆填料函可以明显减缓曲轴箱滑油的变质速度13．气缸套内部受燃气加热，外部被水冷却，内外表面间温差Δt,则缸套内外表面的热应力为：A．内表面切向拉应力，外表面切向压应力B．内表面径向压应力，外表面径向拉应力C．内表面切向压应力，外表面切向拉应力，内外表面径向应力为零D． B＋C14．为了降低缸套振动提高其抗穴蚀能力的错误做法是：A．增加缸套壁厚B．提高缸套支承刚度C．减小活塞与气缸套的装配间隙D．增加缸套的轴向支承距离15．缸套冷却水压力波动,膨胀水箱冒泡, 这种情况可能是：A．缸盖和缸套有穿透性裂纹 B．活塞有裂纹C．缸套出水温度过高 D．水泵有故障16．柴油机镀铬气缸套的正常磨损率一般应不大于：A．0.01～0.03mm/kh B．0.03～0.05mm/khC．0.05～0.08mm/kh D．0.08～0.1mm/kh17．二冲程柴油机缸套磨损不均,形成圆度误差的原因是：A．超负荷长期运行B．活塞组件不对中C．环的径向弹力太大D．气缸油质不佳18．下述有关四冲程柴油机气缸盖功用中错误的是：A．与气缸套活塞构成燃烧室空间B．安装喷油器安全阀等附件C．组成进、排气通道D．支承气缸套19．按照我国有关规定气缸盖上的安全阀开启压力应不超过：A．1.15×P Z（最高爆发压力） B．1.25×P ZC．1.40×P Z D．1.50×P Z20．气缸盖由于应力腐蚀而造成冷却水腔侧裂纹的主要原因是：A．水蒸气在高温下与金属作用产生金属氧化物与氢, 氢渗透进金属材料而脆化自动开裂B．因应力集中而产生应力腐蚀C．机械疲劳与热疲劳叠加D．A+B21．现代高增压超长行程低速柴油机的气缸盖的特点是：A．单体组合铸钢结构 B．单体组合式铸铁铸钢结构C．单体锻钢钻孔冷却式结构 D．单体铸钢钻孔冷却式结构22．船用柴油机广泛使用的单体式气缸盖的特点有：I．气缸盖与气缸套结合面的密封性好 II．刚性好 III．可缩小气缸间距IV．拆装维修方便V．制造成品率高VI．易变形A．I+III+VI+V B．II+III+V+VIC．I+III+IV+V D．I+II+IV+V23．对于活塞环工作面与气缸套内表面材料匹配不合适的是：A．镀铬活塞环与铸铁缸套B．镀铬活塞环与镀铬缸套C．喷铜活塞环与铸铁缸套D．喷钼活塞环与镀铬缸套24．活塞本体的磨损主要发生的部位是：I．活塞顶 II．裙部III．环槽 IV．销座孔V．环槽根部过渡圆角 VI．活塞加强筋A．I+III+IV B． II +III+IV C． II+V+VI D． I+II+III25．通常通过气缸体观察孔的观察可以判断：I．活塞环的磨损情况 II．活塞环的粘着状态III．喷油量情况IV．活塞环的弹力如何V．气缸注油量是否适当VI．气缸套的磨损情况A．I+II+III+V+VI B．II+III+IV+V+VIC．I+III+IV+V+VI D．I+II+IV+V+VI26．大型低速柴油机的连杆材料与杆身断面一般是：A．优质碳钢、圆形断面B．耐热合金钢、圆形断面C．合金钢、工字型断面D．优质碳钢、工字型断面27．关于连杆弯曲变形的论述正确的是：A．连杆在其摆动平面内承受的弯曲应力远大于与摆动平面垂直的平面上的弯曲应力,采用圆形截面杆身可提高其抗弯能力B．连杆在其摆动平面内承受的弯曲应力远大于与摆动平面垂直的平面上的弯曲应力,采用工字形截面杆身可提高其抗弯能力C．连杆在其摆动平面内承受的弯曲应力远小于与摆动平面垂直的平面上的弯曲应力,采用圆形截面杆身可提高相应方向的抗弯能力D．连杆在其摆动平面内承受的弯曲应力远小于与摆动平面垂直的平面上的弯曲应力,采用工字形截面杆身可提高相应方向的抗弯能力28．在中、高速柴油机中,连杆杆身做成工字型断面,其目的是：A．减轻重量B．增大抗弯能力C．A+B D．增大抗拉能力29．四冲程柴油机连杆大端轴承下瓦承受的力是：A．压缩力 B．气体力C．曲柄连杆机构惯性力 D．A+B30．某些大型低速二冲程十字头柴油机使用短连杆的主要目的是：A．降低柴油机高度 B．节省材料C．增加连杆强度D．减少侧推力31．某些大型低速柴油机的连杆大端轴承采用无轴瓦形式的优点是：I．加工方便 II．减轻重量III．增大轴颈IV．利于滑油输送 V．利于散热VI．利于滑油分布A．I+II+VI B． III+V C．I+V+VI D． I+III32．关于主轴承与十字头轴承的油槽论述中,正确的是：A．主轴承下瓦的高压区必须开油槽B．十字头轴承上瓦必须开油槽C．十字头轴承下瓦必须开纵横油槽 D．十字头轴承上瓦可开纵横油槽33．某些大型低速柴油机的正置式主轴承盖采用撑杆螺栓固定的主要优点是：A．减少主轴承盖所受弯矩变形 B．减少机座横梁弯矩与变形C．减少柴油机横向尺寸D．上述各项都是34．一般情况下,曲柄销的磨损规律是：A．比主轴颈快 B．比主轴颈慢C．与主轴颈相等D．三种情况都可能35．柴油机连杆大端螺栓受力最严重的柴油机是：A．非增压二冲程低速机 B．增压二冲程低速机C．低速四冲程机D．高速四冲程机36．低速二冲程柴油机主轴颈磨损主要在远离曲柄销一侧的原因是：A．气体力始终小于惯性力B．活塞连杆以受拉力为主C．气体力等于惯性力D．气体力始终大于惯性力37．现代大型低速柴油机多采用深型焊接单壁机座,其主要目的是：A．提高刚性B．提高强度C．保证曲柄箱密封性D．形成曲轴回转空间38．在大型柴油机中均采用贯穿螺栓把固定件联接在一起的主要目的是：A．使被联接部件由受拉状态变为受压状态,提高机件承受机械负荷能力B．使被联接部件由受压状态变为受拉状态,提高机件承受机械负荷能力C．提高机件抗疲劳强度D．防止被联接件松动,保持其相对位置39．关于柴油机固定件作用的正确说法是：I．防止动力转矩输出引起的倾复 II．防止惯性力作用产生的激振力起作用III．承担整机重量IV．承受紧固件的安装应力V．承受气体力VI．承受运动机件的惯性力A．I+II+III+IV+V B． II+III+IV+V+VI C．I+III+IV+V+VI D．I+II+III+V+VI 40．在四冲程柴油机中,发生缸内废气倒灌进气管的原因是：A．进气阀提前开启角太小B．进气阀提前开启角太大C．排气阀提前开启角太小D．排气阀提前开启角太大41．气缸进气阀开启瞬时的曲轴位置与上止点之间的曲轴夹角称为：A．进气提前角B．进气定时角C．进气延时角D．进气持续角42．由四冲程柴油机的换气过程可知,换气全过程的特点有：I．自由排气靠缸内外的压力差进行II．强制排气靠新气驱赶废气III．排气阀在下止点后关闭IV．废气与新气掺混较少,换气质量好V．进气阀提前打开,膨胀功损失较大VI．有燃烧室扫气A．I+III+V B．II+IV+VI C．II+V+VI D．I+IV+VI43．采用旋阀器的气阀机构的优点有：I．能改善阀盘的热应力状态II．能防止阀杆卡阻III．可消除气阀撞击IV．减轻气阀磨损 V．能减少阀面积炭VI．不需留有气阀间隙A．I+II+III+IV B．I+II+IV+VC．II+III+IV+VI D．III+IV+V+VI44．气阀采用液压式传动机构的优点有：I．影响气阀运动规律的因素较少II．改善了气阀拆装条件III．阀杆不受侧推力IV．总体布置较困难V．噪音低,阀与阀座撞击小VI．压力油密封简单A．I+III+V B． II+III+VC．III+IV+VI D． III+V+VI45．当排气阀在长期关闭不严的情况下工作,将导致：A．积炭更加严重B．燃烧恶化C．爆发压力上升D．阀面烧损46．测量气阀间隙时应注意的事项有：I．应把摇臂压向气阀端II．调节后凸轮应紧固好III．柴油机处于冷态下进行 IV．顶头滚轮应处于凸轮基圆上V．测量时要把塞尺夹紧VI．间隙调好锁紧螺母应锁紧A．I+III+V B． II+III+VC．III+IV+VI D． III+V+VI47．测量气阀间隙时应注意的事项有：A．机器要在热态下进行B．机器要在冷态下进行C．顶头滚轮应处于凸轮工作边上D．任何状态下随时都可测量48．常见的阀面锥角“α”有：A． 10︒和15︒ B． 15︒和20︒C． 25︒和30︒ D．30︒和45︒49．目前认为有广泛的应用前景的喷射系统是：A．直接喷射系统B．间接喷射系统C．蓄压式喷射系统D．电子喷射系统50．通常对喷油泵的检查内容有：I．最大供油量检查 II．各缸供油均匀性检查 III．最低供油量检查IV．停车位置检查 V．密封性检查 VI．供油定时检查A．I+II+III+V B．I+III+IV+VC．I+III+IV+VI D．II+IV+V+VI51．船用柴油机广泛使用的柱塞泵式喷射系统中其主要组成是：A．喷油泵 B．蓄压器 C．喷油器 D．A+C52．在柴油机中防止喷射系统穴蚀的主要措施有：I．选择适当参数的等容卸载式出油阀II．采用等压卸载出油阀III．提高喷油压力,降低喷油速率IV．在喷油泵回油腔中加装缓冲器V．增加高压油管长度与直径VI．提高燃油的进油压力A．I+II+III+V B．I+III+IV+VC．I+II+IV+VI D．II+IV+V+VI53．等容卸载出油阀使高压油管产生穴蚀,故障多发生在下述哪种运转负荷？A．低负荷 B．高负荷 C．中等负荷 D．全部负荷54．回油孔式喷油泵当采用转动凸轮法调整供油定时时,指出下述正确的变化规律是：A．柱塞有效行程Se不变,凸轮有效工作段Xe不变B．Se不变,Xe改变 C．Se改变,Xe不变 D．Se改变,Xe改变55．通常,喷油泵循环供油量的检查内容是：A．最低循环供油量B．停车位置C．各缸负荷均匀性D．B+C 56．下列关于喷油泵出油阀的工作特性中错误的是：A．等容卸载出油阀其卸载容积随柴油机转速而变化B．等容卸载出油阀的高压油管剩余压力随柴油机工况而变化C．等压卸载出油阀不会使高压油管产生穴蚀D．等压卸载出油阀依靠阀内的卸载阀启闭来控制高压油管内的压力57．液压启阀式喷油器针阀和弹簧的惯性力对燃油喷射质量的影响主要是：A．使启阀压力下降,雾化质量变差 B．喷油提前角减小C．喷油持续角下降D．针阀关阀压力降低造成关阀时滴漏与雾化不良58．当对喷油器进行启阀压力检查与调整时,指出下述各项中错误的操作是：A．应该在专用的喷油器雾化试验台上进行B．检查前需先检查试验台的密封性C．接上待检喷油器后应先排除空气D．迅速泵油观察开始喷油时的压力59．柴油机运转中若高压油管脉动微弱、排气温度升高且冒黑烟则原因可能是：A．喷油泵柱塞偶件过度磨损B．喷油泵柱塞在其最高位置咬死C．喷油器针阀在开启位置咬死D．燃油温度太低60．对喷油器的检查与调整工作一般包括：I．喷油均匀性II．启阀压力 III．雾化质量IV．喷油定时V．密封性VI．关阀压力A．II+III+V B．I+III+IVC．I+IV+VI D．II+IV+VI61．船用柴油机形成可燃混合气的关键条件是：A．空气涡动B．燃烧涡动C．喷雾质量D．压缩涡动62．对喷射系统工作质量依赖最大的燃烧室型式是：A．半开式B．开式 C．分隔式 D．涡流室式63．在柴油机工作中容易发生工作粗暴的燃烧室型式是：A．开式 B．半开式 C．涡流室式 D．预燃室式64．在柴油机燃烧室中着火点向四周传播速度与途径主要取决于：I．混合气质量 II．火焰波峰强度 III．空气扰动 IV．着火点位置A．I+II+III B．II+III+IV C．I+III D．I+II+III+IV65．按分段燃烧理论分析发生燃烧敲缸的燃烧阶段是：A．滞燃期 B．速燃期 C．缓燃期 D．后燃期66．根据燃烧过程的分析认为,低速机在滞燃阶段喷到缸内的油量应是：A．越多越好B．越少越好C．占循环喷油量(15～30)%为宜D．占循环喷油量(80～100)%为宜67．燃油系统的三大环节组成是指：I．燃油系统的主要设备 II．燃油的注入、储存和驳运III．燃油的净化处理 IV．燃油的使用和测量：Ａ．I+II+III B．II+III+IVC．III+IV+I D．IV+I+II68．在装油前二管轮应完成下列工作：I．检查装油管系II．正确开关阀门III．堵好透气管IV．关好有关通海阀V．堵好甲板出水孔 VI．并舱A．I+II+III+IV+V B．I+II+IV+V+VIC．II+III+IV+V+VI D．I+III+IV+V+VI69．使用劣质燃油时，采取的措施不当的是：Ａ．适当增大汽缸油注油量Ｂ．适当增加扫气温度Ｃ．适当减小喷油提前角Ｄ．适当增加冷却水温度70．不同牌号的重油混舱时产生大量油泥沉淀物的原因是：Ａ．燃油中不同烃的化学反应Ｂ．燃油中添加剂的化学反应Ｃ．燃油的不相容性Ｄ．燃油中机械杂质凝聚产物71．重油着火性能差，这是因为：A．燃油的粘度高 B．燃油的十六烷值低C．燃油含硫量高 D．B和C72．分油机油水分界面的最佳位置是：A．重力环的外边缘 B．距转轴中心越近越好C．分离筒颈盖的外边缘D．分离盘的外边缘73．迪拉瓦自动排渣分油机的控制阀表盘上标有“1、2、3、4”四个位置，分别表示：A．开启、空位、密封、补偿 B．密封、补偿、开启、空位C．空位、密封、补偿、开启 D．补偿、开启、空位、密封74．船用柴油机润滑系统中滑油泵的出口压力在数值上应保证：A．各轴承连续供油 B．抬起轴颈C．各轴承形成全油膜 D．保护轴颈表面75．下列关于润滑系统管理中哪一项说法是错误的？Ａ．备车时，应开动滑油泵Ｂ．滑油压力过低时，将会使轴承磨损Ｃ．滑油温度过高时，易使滑油氧化Ｄ．停车后，应立即停止滑油泵运转76．滑油的出口温度通常应不超过：A．40℃ B．55℃C．65℃ D．80℃77．柴油机冷却系统的冷却水，合理的流动路线和调节方法应该是：Ａ．冷却水自下而上流动，调节进口阀开度大小控制温度Ｂ．冷却水自下而上流动，调节出口阀开度大小控制温度Ｃ．冷却水自上而下流动，调节出口阀开度大小控制温度Ｄ．冷却水自上而下流动，调节进口阀开度大小控制温度78．下列关于冷却水系统管理中，哪一项说法是错误的？Ａ．淡水压力应高于海水压力Ｂ．闭式淡水冷却系统中应设置膨胀水箱Ｃ．进港用低位海底阀Ｄ．定期清洗海底阀的海水滤器79．船用发电柴油机采用的调速器通常有：I．杆式液压调速器II．表盘式液压调速器III．极限调速器IV．定速调速器 V．全制调速器VI．双制调速器A． I+III+V B．II+III+VI C． I+V+VI D．II+IV+V80．在下述性能参数中,表明调速器稳定性的参数是：A．瞬时调速率δ1 B．稳定调速率δ2 C．不灵敏度ε D．转速波动率φ81．根据我国有关规定,超速保护装置的作用是：A．防止主机转速超过110%n b(标定转速),发电柴油机转速超过115%n bB．防止主机转速超过115%n b,发电柴油机转速超过110%n bC．防止主机转速超过120%n b,发电柴油机转速超过115%n bD．防止主机转速超过115%n b,发电柴油机转速超过120%n b82．指出下述调速器的性能指标中不属于静态性能指标的是：I．瞬时调速率δ1II．稳定调速率δ2 III．转速波动率φIV．不灵敏度εV．稳定时间T S VI．转速变化率ϕA．I+V B．II+III C．II+IV D．II+VI83．液压调速器的补偿针阀开度过大______针阀开度过小______。

中华人民共和国海事局2002年第2期海船船员适任证书全国统考试题（总第29期）科目：航海学试卷代号：913适用对象：无限航区3000总吨及以上船舶二副/三副(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：本试卷试题均为单项选择题，请选择一个最适合的答案，并将该答案按答题卡要求，在其相应的位置上用2B铅笔涂黑，每题1分，共100分。

1. 下列关于经差、纬差的说法正确的是______。

Ａ．纬差不能大于90°Ｂ．经差不能大于180°Ｃ．到达点在南半球，纬差方向为南Ｄ．B、C都对2. 天球上的南点或北点是______的交点。

A．测者子午圈和天赤道B．天赤道和测者真地平圈C．测者子午圈和测者真地平圈D．天体周日平行圈和测者真地平圈3. 通过______的半个大圆称为天体垂直圈。

A．天顶、天体和天底B．天北极、天体和天南极C．天顶、测者地理位置和天底D．仰极、天体和俯极4. 当测者移动时，天球上哪个圈不随测者移动？A．天体垂直圈B．天体时圈C．测者子圈D．测者午圈5. 用半圆周法表示方向时，某方向通常______。

Ａ．只有一种表示方法Ｂ．可有两种表示方法Ｃ．可有三种表示方法Ｄ．至少有两种表示方法6. 罗经点方向NE/N换算成圆周方向为______。

Ａ．33°.75 Ｂ．56°.25 Ｃ．033°.25 Ｄ．033°.757. 罗经点方向E/N换算成圆周方向为______。

Ａ．011°.25 Ｂ．078°.25 Ｃ．078°.75 Ｄ．101°.258. 无风流情况下测定计程仪改正率ΔL，已知两组横向测速标之间的距离为2 n mile，若所得计程仪读数差为1.9 n mile，则相应的计程仪改正率为______。

Ａ．＋5.0% Ｂ．－5.0% Ｃ．＋5.3% Ｄ．－5.3%9. 无风流情况下测定计程仪改正率ΔL，已知两组横向测速标之间的距离为2 n mile，若所得计程仪读数差为2.3 n mile，则相应的计程仪改正率为______。

中华人民共和国海事局129中华人民共和国海事局2002年第1期海船船员适任证书全国统考试题（总第28期）科目：轮机维护与修理试卷代号：874适用对象：750~3000KW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：本试卷试题均为单项选择题，请选择一个最适合的答案，并将该答案按答题卡要求，在其相应的位置上用2B铅笔涂黑，每题1分，共100分。

1．船舶机械或零部件的丧失称为故障。

A．维修性能 B．设计形状 C．规定功能 D．可靠性 2．下列说法错误的是哪一项？A．维修又统称修理B．故障可以通过维修就能够有效地防止C．故障维修是在事故发生后进行的维修D．仅从维修技艺上来解决问题，不能保持或恢复船舶设备的原有性能 3．下列哪一项不属于按故障发生和演变过程的特点分类？A．渐进性故障 B．突发性故障 C．波及性故障 D．磨损性故障 4．对于随机故障期的船舶机械，其故障特点是。

A．与机械新旧有关 B．与使用时间有关 C．不能通过调试来消除 D．可以预测5．船舶轴系校中安装质量不良引起的轴系振动、轴承发热或过度磨损等是属于哪一类故障？ A．工艺性故障 B．管理性故障 C．安装性故障 D．磨损性故障6．船机零件具有较低故障率的阶段是______。

A．早期故障期 B．随机故障期 C．磨损故障期 D．磨合期7．产品的可靠性是指产品在规定的时间、规定的条件下完成规定功能的能力。

其中“规定的条件”不应包括下列哪一项？A．环境条件 B．使用条件 C．工作方式 D．工作性能 8．产品在规定的时间、规定的条件下完成规定功能的概率，称为______。

A．可靠性 B．可靠度 C．有效性 D．有效度 9．视情维修方式的优点是______。

A．针对性强 B．有效地预防故障 C．延长设备寿命 D．具有先进性 10．在整个寿命期中故障率近似于常数的设备是______。

A．往复式发动机的气缸 B．轴承C．船体 D．复杂的电子设备11．两零件在外力作用下产生相对运动（或有运动趋势）时，接触表面间产生切向阻力和阻力矩阻止运动的现象，称为______。

2023年海船船员考试《轮机长》考试历年真题摘选附带答案第1卷一.全考点综合测验(共20题)1.【单选题】造新船时,驻厂监造组是一个______,他的主要任务是______。

A.临时的组织机构/ 代表船东对船舶质量进行把关B.常设的组织机构/ 确认和审核施工图纸C.临时的组织机构/ 确认技术规格书D.常设的组织机构/ 确认和审核施工图纸并安排接船船员2.【单选题】在调动交接班中，交班轮机长应办理好：A.新上船人员的工作分配B.有关机损事故报告C.下次修船的修理报告D.下航次备件定购单的填写3.【单选题】新上船工作的船员应：Ⅰ、接受安全教育Ⅰ、熟知应变部署Ⅰ、了解船舶工作注意事项A.Ⅰ+ⅠB.Ⅰ+ⅠC.Ⅰ+ⅠD.Ⅰ+Ⅰ+Ⅰ4.【单选题】轮机部的台帐一般分为三大部分，主要是指：Ⅰ、法定记录Ⅰ、船公司根据SMS规定的各种台帐、报表Ⅰ、航次报告Ⅰ、船舶各种设备操作规程A.Ⅰ +Ⅰ+ⅠB.Ⅰ +ⅠC.Ⅰ +Ⅰ+ⅠD.Ⅰ +Ⅰ5.【单选题】轮机长的技术能力是（）的决定条件。

Ⅰ、调动轮机人员积极性Ⅰ、提高轮机管理水平Ⅰ、增进船舶经济效益A.Ⅰ+ⅠB.Ⅰ+ⅠC.Ⅰ+ⅠD.Ⅰ+Ⅰ+Ⅰ6.【单选题】轮机长在实施轮机值班制度时，正确的做法是：Ⅰ、与船长协商安排的值班应确保安全值班Ⅰ、根据轮机部特殊情况可自行安排，无须得到船长的同意Ⅰ、指导并监督轮机部人员严格遵守机舱工作制度A.仅仅是ⅠB.Ⅰ +ⅠC.Ⅰ ~ⅠD.Ⅰ +Ⅰ7.【单选题】机舱应急吸入阀，应______检查开关活络情况，_______打开检查清洁保养、涂油保养、彻底检查。

A.1 个月/6 个月B.3 个月/ 一年C.3 个月/6 个月D.6 个月/ 一年8.【单选题】轮机长在填写轮机部航次报告时下列正确的是：A.主机平均转速是本航次主机“转速计”累计转速除以航行时间B.船舶燃、润料消耗应是动力装置在正午实测数据C.船舶燃、润料消耗是指主机在正午时的计算数据D.船舶平均理论航速应是主机累计转速与螺距的乘积9.【单选题】船上安全管理的要求是实现“本质化管理”，即运用安全科学，从根本上消除形成事故的_______,采取尽可能的防护措施，形成某种条件下的_______。