11规则大连海事最新轮机英语题库翻译（二）
作者：系统管理员来源：发布时间： [2014-02-24] 点击数： 533
第二节 1.2.1
1. The abbreviation “MIP” stands for____.
A. middle indicating pressure
B. mean indicated pitch
C. mean indicated pressure
D. middle indicate power
C缩写MIP指的是平均指示压力
2. Which of the following can be obtained by means of an indicator card?
A. the peak pressure in a cylinder
B. the fuel consumption
C. the temperature of the cooling water
D. none of the other alternatives
A气缸的爆发压力可以通过测取示功图获取
3. The distance between TDC and BDC of the diesel engine is called a ____
A.gap
B. radius
C. clearance
D. stroke
D从上止点到下止点的距离被称为冲程
4. Energy losses due to ______occur in every machine.
A. speed
B. impact
C. friction
D. atmosphere
C机械中摩擦产生能力消耗
5. The mechanical efficiency of an engine _____because losses occur in the form of friction
A. is always less than 100%
B. is always equal to 90%
C. is always more than 100%
D. is always less than 90%
A发动机的机械效率总是低于100%因为摩擦损失了不少能量
6. Which of the following statements is not true?
A. the slow-speed engine is the most common diesel engine throughout the world.
B. the majority of high-speed engines operates on the four-stroke cycle.
C. high-speed engines are suitable for driving trucks and buses
D. if the rotational speed of an engine is over 1200r/min then it is a high-speed diesel engine
A 全世界使用最广泛的柴油机是高速机，而不是低速机
7. The main factor determining the output of each cylinder is the cylinder_______.
A. density
B. bore
C. weight
D. material
B 决定气缸的输出功率的主要因素是缸径大小
8. The rotating range of the slow-speed diesel engine is usually lower than ______.
A.100 r/min
B.200 r/min
C.300 r/min
D.500 r/min
C低速机的旋转速度范围通常低于300转每分
9. The ______the compression ratio, the _____the proportion of the heat energy of the combustion turned into useful work at the crankshaft, other things being equal.
A. high/large
B. higher/larger
C. lower/larger
D. low/large
B压缩比越大，转换的有用功就越大
10. Suppose the rated capacity of the main engine of a ship is 10000KW at 100 rated r/min, then when at 80 r/min its capacity should be ______.
A.800 KW
B.5120 KW
C.6400 KW
D.4180 KW
B假定主机的额定功率是在100转每分的情况1000千瓦，如果转速是80转每分，功率是5120千瓦
11. The minimum speed an engine must attain before ignition can occur depend
upon____
A. the type and size of the engine
B. the condition of the engine
C. ambient temperature
D. any one of the other alternatives
D在发火之前发动机所能达到的最低速度取决于发动机的类型尺寸，发动机的工况以及环境温度
12. Maximum horsepower of a diesel engine is attained_______.
A. when the engine speed is pulled down by overload
B. at rated engine speed
C. at 95% of rated engine speed
D. at 95% of a properly adjusted governor rpm with the engine under full load
B发动机的最大功率是在额定转速下实现的
13.”amidships” refers to _____.
A. the back of vessel
B. the middle portion of a ship
C. the backward movement of a vessel
D. across the ship, at right angles to the fore-and-aft centerline
B “amidships”指的是船舶的中间部分
14. The order “_______” means “maximum maneuvering engine revolution for ahead propulsion”.
A. full ahead
B. half ahead
C. full astern
D. half astern
A 全速前进是指最大的发动机转速，正车推进。
15. The ratio of brake horsepower to the indicated horsepower of diesel engine is
its______”
A. thermal efficiency
B. mechanical efficiency
C. brake thermal efficiency
D. volumetric efficiency
B 制式功率与指示功率的比值被称为机械效率
16. The bore of a diesel engine cylinder describes the ______.
A. swept volume of the cylinder
B. inside diameter of the cylinder
C. piston displacement in the cylinder
D. length of the piston stroke
B 柴油机气缸的缸径描述了气缸的内径
17. A mixture of 45% cetane and 55%alpha-methyl-naphthalene is found to have the same ignition delay as a sample of diesel oil. The sample can be described as having a(n) _______.
A. cetane number of 55
B. cetane number of 45
C. octane number of 55
D. octane number of 45
B 45%的十六烷和55%的甲基萘的混合物与一种柴油样品具有相同的发火延迟。这个油样的十六烷值就是45
18 .The cubic inch (or liter) displacement of a cylinder is determined by the diameter of the piston and the _______.
A. length of the crankshaft
B. volume of the clearance space
C. weight of the piston
D. length of the stroke
D活塞的直径和冲程长度决定气缸的容积
19. The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing work. This is known as _______.
A. indicated horsepower
B. brake horsepower
https://www.doczj.com/doc/9d8119831.html, horsepower
D. friction horsepower
B发动机性能中最重要的因素是曲轴尾端的用来做功的实际输出功率，即“制动马力”
20. Which of the following can be obtained by means of an indicator card?
A. indicated horsepower
B. brake horsepower
C. maximum pressure in a cylinder
D. any one of the other alternatives
D 通过示功图可以获取的有指示马力，制式马力以及气缸的爆发压力。
21. The efficiency of a two-stroke main engine particularly depends on the _____
A. ratio of the minimum pressure and the mean effective pressure
B. ratio of the mean pressure and the mean effective pressure
C. ratio of the mean pressure and the maximum effective pressure
D. ratio of the maximum pressure and the mean effective pressure
D二冲程柴油机的效率主要取决于爆发压力与平均有效压力的比值
22. It is a verified fact that the higher ______of a two-stroke engine, the
higher_______
A. the engine efficiency/the stroke ratio
B. the stroke ratio/the engine efficiency
C. the stroke ratio/ the engine efficiency
D. the engine efficiency/ the stroke ratio
23. The main engine’s 75% ______ figure is as standard applied in the calculat ion of the ______ figure, in which also the CO2 emission from the auxiliary engines of the ship is included.
A.EEDI/SMCR
B.SFOC/EEDI
C.SMCR/EEDI
D.SMCR/SFOC
C在计算EEDI时，主机的75%的SMCR（ship maximum continuous rating）作为一个标准被使用。
24. One of the goals in the marine industry today is to reduce the impact of CO2 emissions from ships and, therefore, to reduce the ________ for the propulsion of ships to the widest possible extent at any load.
A. fuel consumption
B. lube oil consumption
C. fresh water consumption
D. spare parts consumption
A 航运业的一个目标之一就是减少船舶二氧化碳的排放，也就是减少燃油的消耗
25. Based on an average reference CO2 emission from existing container vessels, the CO2 emission from new container vessels in gram per nautical mile must be ____ the reference emission figures valid for the specific container vessel.
A. equal to or lower than
B. larger than
C. independent of
D. dependent upon
A基于目前船舶二氧化碳排放量的参考，新船的二氧化碳的排放必须不高于特定集装箱船舶的排放标准。
26. A more technically advanced development drive includes optimizing the aft body of the ship, making it possible to install propellers with a larger propeller diameter and, thereby, obtaining ______ propeller efficiency, but at a _____ optimum propeller speed.
A. higher/reduced
B. higher/increased
C. lower/ reduced
D. lower/ increased
A最新的技术研发包括最船舶的尾部结构的优化，尽可能安装大直径的螺旋桨，为了实现高效率，但是速度低。
27. EEDI represents the amount of ______in gram emitted when transporting one deadweight tonnage of cargo one nautical mile.
A. carbon monoxide
B. carbon dioxide
C. exhaust gases
D. NOX
B EEDI（energy efficiency design index）是船舶消耗的能量换算成CO2排量和船舶有效能量换算成CO2排量的比例指数。
28. In general, the larger the propeller diameter, the _____the propeller efficiency and the ______ the optimum propeller speed referring to an optimum ratio of the propeller pitch and propeller diameter.
A. higher/ higher
B. higher/lower
C. lower/ lower
D. lower/ higher
B通常，螺旋桨的直径越大，螺旋桨的效率将越高，螺旋桨的速度将越低。29. The efficiency of a two-stroke main engine particularly depends on the maximum (firing) pressure and the mean effective pressure. The higher the ratio, the ______the engine efficiency, i.e. the _____ the Specific Fuel Oil Consumption (SFOC).
A. higher/ higher
B. higher/lower
C. lower/ lower
D. lower/ higher
B二冲程柴油机的效率主要取决于最大爆发压力以及平均有效压力，比值越大，发动机的效率越大，燃油的特定消耗量越低
中国海员之家网站考试资料系列46 期航海英语试题 科目：航海英语试卷代号：903 适用对象：无限航区，近洋航区船舶二、三副 （本试卷卷面总分100 分，及格分数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88 题，每题1 分，第89 题至96 题，每题 1.5 分。 一、单项选择题 1. Information on the opening times and characteristics of radiobeacons can be found in which publications? A. List of Light B. Coast Pilot C. Sailing Directions D. List of Radiobeacons 2. Mariners not entering the port are ______ to keep at least one mile off. A. advised B. reported C. complied D. supplied 3. The velocity of the current in large coastal harbors is______. A. predicted in Tidal Current Tables B. unpredictable C. generally constant D. generally too weak to be of concern 4. A mercator chart is a______ A. cylindrical projection B. simple conic projection C. polyconic projection D. rectangular projection 5. Why does distance always have to be measured from the nearest scale on a Mercator chart? A. Because it is the most efficient way B. Because it varies with the change of latitude C. Because it varies with the change of longitude D. Because it is the most straight line 6. Who is responsible for the voyage plan? A. The person who has done the planning B. The master C. The navigation officer D. The owner 7. Charted depth is the______. A. vertical distance from the chart sounding datum to the ocean bottom, plus the height of tide B. vertical distance from the chart sounding datum to the ocean bottom C. average height of water over a specified period of time D. average height of all low waters at a place 8. Defense plans may cause the operation of electronic aids to navigation to be suspended with ______. A. no notice B. one day's notice C. a week's notice D. thirty (30)days notice 9. Periodic publications notifying change in, or additions to, previously published navigational date are______. A. Supplements B. Annual Summary C. Navigational Warning D. Notices to Mariners 10. ______is a full nautical record of a ship's voyage, written up at the end of each watch by the officer of the watch. 中国海员之家网站考试资料系列46 期航海英语试题第2 页 中国海员之家网站（http://www.seamancn. com ）搜集整理，更多考试资料请到网站免费下载。 A. Sea Protest B. Deck Log C. Accident Report D. Seaman's Book 11. Do you need to measure oxygen levels before entering an enclosed space?
中华人民共和国海事局 2006年第3期海船船员适任证书全国统考试题(总第41期) 科目：轮机英语试卷代号：805 适用对象：无限、近洋航区3000KW及以上船舶二/三管轮 （本试卷卷面总分100分，及格分为70分，考试时间为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74题，每题1分，第75题至78题，每题1.5分,第79题至80题, 每题10分。 一、单项选择题 1. A diesel engine is similar to a gasoline engine except that the former has no ______. A. cross-head B. spark plug C. connecting rod D. cylinder 2. A diesel engine which is rated for normal operation at a crankshaft speed of 800 RPM, is commonly classed as a ______. A. slow-speed diesel B. medium-speed diesel C. high-speed diesel D. constant-speed diesel 3.Which of the diesel engine components listed increases air density and helps to improve engine operating efficiency? A. Impeller B. Compressor C. After-cooler D. Exhaust diffuser 4.For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four- stroke/cycle diesel engine because ______. A. it has a longer power stroke B. more air gets into the cylinder each stroke C. it develops twice as many power strokes at the same speed D. higher combustion pressure is developed 5.The intake valves in a diesel engine are reseated by ______. A. cam followers B. push rods C. combustion gases D. valve springs 6.According to the way the energy of the exhaust gases is utilized, pressure-charging can be divided into two main systems, namely, the constant-pressure system and ______. A. the pulse-phase system B. the pulse Doppler system C. the pulse system D. the pulse interval system 7.An over-speed safety device is usually fitted to a generator engine for______in the event of over- speed. A. cutting power off the engine B. increasing the fuel pump setting C. braking the crankshaft D. stabilizing the ship speed 8.What preventative maintenance should be done frequently to diesel engine starting air receivers? A. Drain the accumulated moisture. B. Test the relief valves. C. Watch the temperature to prevent fluctuations in pressure. D. Clean the interior to remove oil and foreign matter. 9.Immediately after any diesel engine is started, the engineer should check the ______. A. crankcase pressure B. lube oil pressure C. seawater pressure D. exhaust temperature 10. A controllable pitch propeller on a diesel driven vessel eliminates the need for ______. A. friction clutches B. disconnect clutches C. reversing gears D. reduction gears 11.In motor ship, ______is often used to recover some of the heat carried in the exhaust gases from the main engine. A. an diesel oil heater B. a waste heat boiler C. a fresh water generator D. a donkey boiler 12.An exhaust gas bypass is installed on a waste heat boiler in order to ______. A. bypass exhaust gas at high loads to prevent excessive back pressure B. bypass a portion of the exhaust gas at peak loads for better efficiency C. recycle exhaust gas to the turbocharger D. minimize moisture condensation in the boiler gas passages at low loads 13.Prior to lighting off a cold automatically fired auxiliary boiler, you should ______. A. check and regulate the water level B. close the air cock once fires are lit C. blow down the gage glass D. assure protective steam flow 14.Flame failure in an automatically fired auxiliary boiler can mostly result from a/an ______. A. incorrect electrode setting B. incorrect nozzle position C. clogged fuel nozzle D. broken high tension lead 15.Waterside scale in a fire-tube boiler may cause ______. A. increased heat transfer B. fireside erosion C. high steam demand D. overheated tubes 16.Which of the following will be the advantage of a centrifugal pump as compared with a reciprocating pump? I. Its discharge is continuous; II. It has no internal valves; III. Upon accidental closing of discharge valve, excessive pressure will not build up A. I, II B. II, III C. I, II, III D. II only 17.Why are removable sleeves installed on centrifugal pump shafts? A. They make it easier to replace the pump shaft packing. B. They can be economically replaced as they wear out. C. They can be removed when it is necessary to lighten the weight of the pump. D. They increase the strength of the shaft. 18.If one of the bilge system manifold valves does not properly seat, the ______. A. bilge well connected to that valve, plus the second bilge well being pumped will be completely emptied B. bilge system will lose vacuum and prevent the other bilges from being pumped out C. bilge well aft connected to that valve will siphon(虹吸) its contents to the forward bilge wells D. discharge pressure will be too high. 19.Which of the listed statements is correct concerning the starting of centrifugal pumps? A. They should always be started with the discharge valve closed. B. They should always be started with the discharge valve opened. C. A priming pump is always required to flood the impeller suction. D. They should always be started with the sealing line valves closed. 20.The simplest method to use for determining if a centrifugal pump is operating as designed, is to ______. A. closely observe the pump discharge temperature B. close off the discharge valve, and watch for a rise in pressure C. momentarily close off the suction valve, and watch for a rise in pressure D. use a clamp on ammeter and compare the readings to past records
中华人民共和国海事局 2007年第2期海船船员适任证书全国统考试题(总第43期) 科目：轮机英语试卷代号：805 适用对象：无限、近洋航区3000KW及以上船舶二/三管轮 （本试卷卷面总分100分，及格分为70分，考试时间为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74题，每题1分，第75题至78题，每题1.5分,第79题至80题, 每题10分。 一、单项选择题 1.______ the engines, the diesel engine is ______ used engine on board. A. Between/more commonly B. Among/the most commonly C. Between/not more commonly D. Among/ not the most commonly 2.The average pressure exerted on a piston during each power stroke is termed ______. A. indicated horsepower B. mean effective pressure C. exhaust back pressure D. compression pressure 3.The cetane number rates fuels for diesel engines according to its ______. A. antiknock characteristics B. ignition qualities C. rates of vaporization D. viscosity 4.The time between injection and ignition of the fuel is known as ______. A. turbulence lag B. after burning ratio C. pre-ignition lag D. ignition delay 5.______ controls the fuel oil temperature in order to provide oil at the correct viscosity for combustion. A. The viscosity regulator B. The temperature controller C. The flow meter D. The pressure switch 6.Constant cooling the various components of diesel engine has a number of functions except for ______. A. good lubrication B. low thermal stress C. good mechanical properties D. acid corrosion 7. A device which functions to bring a diesel engine to a full stop to protect it from damage is known as a/an ______. A. torque limiter B. over-speed trip C. over-speed governor D. load limit governor 8.Engine speeds at which resonance can occur are termed ______. A. maximum speeds B. full speeds C. sea speeds D. critical speeds 9.Prolonged operation of a diesel engine with a closed cooling water system at lower than normal designed operating temperatures can ______. A. increase power output B. decrease lube oil viscosity C. eliminate fuel knock D. cause sulfuric acid formation 10.______ on a ship transmits power from the engine to the propeller. A. The automatic control system B. The speed regularly system C. The transmission system D. The compression air system 11.In a _____ boiler the hot gases from the furnace pass through the tubes while the water is on the outside. A. water-tube B. fire-tube C. exhaust gas D. composite 12.The fuel supply system to an automatic auxiliary boiler, will be automatically shutdown if the boiler ______. A.salinity is abnormally B.high steam demand is too high C.feed-water flow is low D.water level is abnormally low 13.The water in a steaming auxiliary boiler should be tested daily for ______. A. dissolved oxygen B. chlorides C. sludge D. dissolved nitrogen 14.Ignition failure in an automatically controlled auxiliary boiler could be caused by ______. A. carbon deposits on the flame scanner B. high fuel oil temperature C. low fuel oil viscosity D. high steam pressure 15.The concentration of total dissolved solids in the water of an auxiliary boiler can increase as a result of ______. A. seawater contamination B. frequent surface blows C. dissolved oxygen de-aeration D. frequent bottom blows
一、海图及海图作业50题 [251]To agree with larger scale chart，latitudes taken from this chart should be increased ______ about 8 seconds． A. with B. in C. by D. to [252]On this chart only the principle ______ to navigation are shown．A.equipment's B.tools C.apparatus D.aids [253]Many of the soundings shown on the chart are derived from _____.Undue reliance should not be placed upon them． A. complete and often very poor surveys B. correct and often very good surveys C. inadequate and often very old surveys D. adequate and present surveys [254]Lines on a chart which connect points of equal magnetic variation are called ______. A. magnetic latitudes B. magnetic declinations C. dip D. isogonic lines [255]Isogonic lines are lines on a chart indicating ___. A. points of equal variation B. points of zero variation C. the magnetic latitude D. magnetic dip [256]In which source could you find the number of a chart for a certain geographic area? ______. A. Chart No. 1 B. Catalog of Charts C. IMO Practical Navigator D. IMO Light List [257]How is the annual rate of change for magnetic variation shown on a pilot chart? ______. A. Gray lines on the uppermost inset chart B. Red lines on the main body of the chart C. In parenthesis on the lines of equal magnetic variation D. Annual rate of change is not shown. [258]Charted depth is the ______. A.vertical distance from the chart sounding datum to the ocean bottom，plus the height of tide B.vertical distance from the chart sounding datum to the ocean bottom C.average height of water over a specified period of time D.average height of all low waters at a place [259]Chart correction information is NOT disseminated through the ______. A. Summary of Corrections B. Local Notice to Mariners C. Daily Memorandum D. Chart Correction Card [260]All straight lines represent great circle tracks on a chart based on a(n) ______. A. Mercator projection B. polyconic projection C. orthographic projection D. gnomonic projection [261]A revised print of a chart is made ______. A. after every major hydrographic survey of the area covered by the chart B. when there are numerous corrections to be made or the corrections are extensive C. when a low-stock situation occurs and minor corrections are made D. every two years to update the magnetic variation information [262]A Mercator chart is a ______. A. cylindrical projection B. simple conic projection C. polyconic projection D. rectangular projection [263]______ chart 3994，positions read from this chart should be shifted 0．03 minutes Northward． A. To consider B. To check C. To examine D. To agree with [264]The changes in the channel's sands and buoys on this coast are ______ this chart can not be considered as a safe guide of the channel．A. frequent B. so frequent C. frequent that D. so frequent that [265]______ is a term denoting the determination of a ship's position by observations of Celestial or terrestrial objects，or by a combination of both． A. Course-planning B. Position-fixing C. Radar-plotting D. Stowage-plan making [266]A chart position enclosed by a semi-circle is a(n) A. fix B. estimated position C. dead reckoning position D. running fix [267]A true bearing of a charted object，when plotted on a chart，will establish a ______. A. fix B. line of position C. relative bearing D. range [268]Admiralty Charts are published in ______. A. U．S．A B. China C. U．K D. Japan [269]Attention is ______ the advice on the use of charts in The Mariner's Handbook Chapter 3，Section 1．A. fixed to B. needed for C. pushed to D. drawn to [270]Distance along a track line is measured on a Mercator chart by using the ______. A. latitude scale near the middle of the track line B. longitude scale near the middle of the track line C. latitude scale at the midlatitude of the chart D. latitude or longitude scale at the middle of the scale [271]Entering from sea，a daymark on the port side of the channel would be indicated on a chart by a ______. A. red triangle with the letter R B. white triangle with the letters RG C. green square with the letter G D. white square with the letters GR [272]Magnetic information on a chart may be ______. A. found in the center(s) of the compass rose(s) B. indicated by isogonic lines C. found in a note on the chart D. All of the above [273]My position has been obtained ______ astronomical observation．A. with B. from C. on D. by [274]Navigational charts are ______ frequent changes，the important one of which are promulgated by Admiralty Notices to Mariners． A. published with B. combined with C. in connection with D. subject to [275]On the south and the east coasts of Block Island are circles with a dot in the center and labeled CUP. This is a ______. A. conspicuous object B. steep depression in the surrounding hills that resembles a cup C. domed structure useful for navigation D. calling-up-point used for traffic control [276]Solid green arrows on the main body of a pilot chart indicate ______. A. prevailing wind directions B. prevailing ocean current directions C. probable surface current flow D. shortest great circle routes [277]The agonic line on an isomagnetic chart indicates the ______. A. magnetic equator B. magnetic longitude reference line C. points where there is no variation D. points where there is no annual change in variation [278]The buoy symbol printed on your chart is leaning to the northeast. This indicates ______. A. you should stay to the north or east of the buoy B. you should stay to the west or south of the buoy C. the buoy is a major lighted buoy D. nothing special for navigational purposes [279]The chart of a beach area shows a very flat slope to the underwater beach bottom. What type of breakers can be expected when trying to land a boat on this beach? A.Surging B.Spilling C.Plunging D.Converging [280]The chart symbol indicating that the bottom is coral is ______. A. C B. Cl C. Co D. c [281]The charts sold are of ______. A. newly edition with up to date correction and in reasonable prices． B. the current edition and incorporate the last Notices to Mariners correction C. the current edition and incorporate the latest Notices to Mariners correction at the time of sale． D. brand-new one with up to date correction and clean writing [282]The compass rose on a nautical chart indicates both variation and ______. A. deviation B. annual rate of variation change C. precession D. compass error [283]The description Racon beside an illustration on a chart would mean a ______. A.radar conspicuous beacon B.circular radiobeacon C.radar transponder beacon D.radar calibration beacon [284]The maximum difference between mean time and apparent time is ______. A. equal to the longitude expressed in time units B. about 16 minutes C. the difference between the GHA of mean sun and the first point of Aries D. 15°of arc [285]The numeral in the center of a wind rose circle on a pilot chart indicates the ______.
中华人民共和国海事局 2009年第5期海船船员适任证书全国统考试题(总第48期) 科目：轮机英语试卷代号：803 适用对象：无限、近洋航区3000KW及以上船舶大管轮 （本试卷卷面总分100分，及格分为70分，考试时间为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82题，每题1分，第83题至94题，每题1.5分。 一、单项选择题： 1. The reason why more and more of the large merchant vessels are being powered by medium-speed diesel engines is . A. they operate between 150 and 450 rpm B. they are connected to the propeller by gearing C. their smaller size and weight D. they can be connected directly to the propeller without gearing 2. The closing of the exhaust valves used on a modern, large, low-speed, main propulsion diesel engine may be directly provided by . A. large conical springs B. compressed air pressure C. hydraulic pressure D. exhaust gas pressure 3. One of the factors limiting the amount of toad which can be put on a modem marine diesel engine is the . A. governor sensitivity B. exhaust temperature C. fuel injection pressure D. speed of the cam shaft 4. The desirable properties or a marine fuel oil should inc lude . A. high flash point and high viscosity B. low flash point and high viscosity C. low heating value and high sulphur content D. high heating value and low sulphur content 5. As the plunger moves upwards in the barrel, injection will commence once the plunger bas the spill ports and the pressure builds up. A. opened up B. closed off C. lined up D. taken off 6. In an auxiliary diesel engine bypass type lubricating oil system, the main lube oil pump forces . A. all of the oil used by the engine through a filter B. some of the oil used by the engine through a filter C. some of the oil used by the engine through a centrifuge D. all of the oil used by the engine through a centrifuge 7. Because the circulating water is in a closed loop, is installed to cater for expansion and contraction of the water at different conditions of operation. A. an expansion joint B. a drain tank C. a head tank D. a contraction tank 8. The high air velocity leaving the compressor of an exhaust gas turbocharger is converted to pressure in the . A. inlet nozzle ring B. turbine wheel blade C. diffuser passages D. inlet volute 9. is usually driven by the engine camshaft and supplies pilot air to the cylinder air start valve. A. An air receiver B. An operating valve C. An automatic valve D. An air distributor 10. Diesel engines driving alternators operating in parallel must maintain a set frequency regardless of load changes. The governor characteristic used to accomplish this is known as . A. actuation B. sensitivity C. compensation D. promptness 11. By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a . A. tachometer B. pyrometer C. dynamometer D. calorimeter 12. When the ship is going to enter into the harbor, ____. A. change from heavy fuel oil to diesel oil for main engine B. pumping out bilge water C. change sea chest from high level one to lower level one D. test emergency generator 13. If the jacket water temperature rises rapidly above normal in a diesel engine, you should first . A. place standby cooler in operation B. reduce engine toad C. check thermostatic valve D. clean sea water strainer 14. Air cocks, usually positioned at the in a circulating system, is used to get rid of the air in the system. A. bending joint B. expansion tank C. weld D. the highest point 15. Which of the following conditions could contribute to the cracking of a diesel engine cylinder head? A. Leaking seal ring B. Insufficient heat transfer from the exhaust valves C. Blocked cooling water passages to the head D. Excessive scavenging air provided to the engine 16. of an engine crankshaft can be detected by measuring deflections of' crank webs for each unit of the engine. A. Misalignment B. Length C. Strength D. Stresses 17. can be a direct cause of faulty operation of diesel engine fuel injection nozzles. A. Excessive fuel nozzle holder cooling B. Sediment in the fuel supply C. Distortion of the fuel spray pattern D. Improper atomization of the fuel 18. When fuel is injected late into a diesel engine cylinder . A. the exhaust will be clear B. fuel consumption will be low C. all the fuel will be burned at top dead center D. fuel consumption will be high 19. A large change in ambient temperature, or using an oil of a viscosity different than the one recommended by the manufacturer in a mechanical hydraulic governor, will result m the need to adjust the . A. pilot valve opening B. compensating needle valve C. compensating spring tension D. accumulator spring tension 20. Which of the following factors tends to increase scale formation on the saltwater side of a heat exchanger used in a diesel engine cooling water system? A. Baffle plates that have been bent during prior removal. B. Leaks m the cooler tube nest. C. Operating the engine while maintaining a high sea water outlet temperature. D. A punctured sea water strainer supplying cooling water to the heat exchanger. 21. If the scavenge fire is of a more major nature, if there is a risk of the fire extending or if the scavenge trunk is adjacent to the crankcase with risk of a hot spot developing it sometimes becomes necessary to the engine. A. stop B. start C. speed up D. slow down 22. In an operating diesel engine, which of the following conditions is an indication of a leaking air starting valve?