11规则大连海事最新轮机英语题库翻译（一）作者：系统管理员来源：发布时间： [2014-02-21] 点击数： 761第一节 1.1.11. With____, the engine needs not to be aligned with reduction or propeller shaft.A. diesel engine propulsionB. diesel electric propulsionC. steam engine propulsionD.gas turbine propulsionB对于发电式柴油机，发动机不需要与减速齿轮或螺旋桨轴对中。
2. The_____ engine is used for alternators and sometimes for main propulsion witha gearbox to provide a propeller speed of between 90 and120 r/min.A. four-strokeB. slow-speedC. two-strokeD. reversibleA 四冲程柴油机用于交流发电机，有时用于主推进装置，带有减速齿轮箱，提供螺旋桨的速度为90-120转/分。
3. Each type of engine has its applications, which on board ship have resulted in the slow-speed main propulsion diesel operating ______cycle.A. on four-strokeB. both on two-stroke and on four-strokeC. on two-strokeD. either on two-stroke or on four-strokeC 每种柴油机都有其船上的应用，低速柴油机是以二冲程循环来工作的。
4. Most often a(n) ______ is attached to the engine-propeller shaft for efficient electric power generation.A. variable-speed AC generatorB. fixed-speed AC generatorC. air blowerD.DC generatorA 通常变速交流发电机与发动机螺旋桨轴相连，为了更有效地发电。
5. The slow-speed main propulsion diesel operates on two-stroke cycle. At this low speed the engine requires no reduction gearbox between it and _____.A. thrust blocksB. flying wheelC. propellerD. rudderC低速主推进柴油机以二冲程来工作，在低速下，机桨间不需要减速齿轮箱。
6. When the piston is pushed down, it forces the engine to do work on the crankshaft which in turn drives the ______.A. ship’s rudderB. turning gearC. ship’s propellerD. thrust bearingC当活塞位于膨胀冲程时，它将迫使发动机对曲轴做功，曲轴反过来驱动船舶的螺旋桨。
7. Typical marine propulsion plants include______ directly coupled to the vessel’s single large-diameter fixed-pitch propeller.A. a single acting, long-stroke, slow-speed, turbocharged, two-stroke diesel engine.B. a single acting, long-stroke, medium-speed, turbocharged, four-stroke diesel engineC. two medium-speed, turbocharged, four-stroke diesel enginesD. a variable-speed AC generatorA典型的船用主推进装置包括单作用，长冲程，低速，涡轮增压的二冲程柴油机，直接与大直径的定距螺旋桨联轴。
8. The term “ship” is used to denote a _____ employed to transport goods and persons from one point to another over water.A. bargeB. vehicleC.tank D. lighterB 船舶就是在水上用来运输货物及转移旅客的一种运输装置。
9. Ship propulsion normally occurs with the help of a _____, which is the term most widely used in English, although the word “screw” is sometimes seen, inter alia in combinations such as a “twin-screw” propulsion plant.A. thrusterB. screwC. rivetD. propellerD 船舶推进通常在螺旋桨的帮助下进行。
10. Today, the primary source of propeller power is the _____, and the power requirement and rate of revolution very much depend on the ship’s hull form and the propeller design.A. diesel engineB. steam turbineC.gas turbineD. nuclear plantA 当今，作为螺旋桨的动力驱动是柴油机。
11. The three largest categories of ships are container ships, ______ (for bulk goods such as grain, coal, etc.) and tankers, which again can be divided into more precisely defined classes and types.A. bulk carriersB. general cargo shipsC. passenger shipsD. reefersA 船舶的三大类是集装箱、油轮以及散货。
12. When a ship in loaded condition floats at an arbitrary water line, its displacement is _____the relevant mass of water displaced by the ship.A. larger thanB. less thanC. equal toD. twice as large asC 当船舶在任意水线漂浮时，它的容积等于它的最大排水量。
13. Displacement comprises the ship’s light weight and its deadweight, where the_____ is equal to the ship’s loaded capacity including bunkers and other supplies necessary for the ship’s propulsion.A displacement B. light weight C. heavy weight D. deadweight D容量包含船舶的空载和载重，载重量指的是负载容量。
14. Besides the metric ton (1000kg), there is the English ton (1016kg), which is also called the”_____”.A. long tonB. light weightC. middle tonD. cold tonA长吨指的是1016千克。
15.The light weight of a ship is not normally used to indicate the size of a ship, whereas the _____of the ship, based on the ship’s loading capacity, including fuel and lube oils, etc. for operation of the ship, measured in tons at scantling draught, often is.A. displacement tonnageB. light weight tonnageC. heavy weight tonnageD. deadweight tonnageD 船舶的载重吨位是指船舶的负载容量，包括燃油，滑油等。
16. The influence of frictional and residual resistances depends on how much of the hull is____ the waterline, while the influence of air resistance depends on how much of the ship is _______the waterline.A. below/aboveB. below/belowC. above/belowD. above/aboveA摩擦阻力的影响取决于水线之下船体的位置，然而空气阻力的影响取决于水线之上船体的位置17. Wave resistance refers to the energy loss caused by waves created by the vessel during its propulsion through the water, while eddy resistance refers to the loss caused by flow separation which creates eddies, particularly at the ______ of the ship.A.aft endB. fore endC. middleD. deckA波浪阻力是指在船舶前进过程中所产生的波浪而引起的能量损失，然而漩涡阻力指的是流动分离产生漩涡所导致的损失，特别是在船舶的后部18. Some medium-speed and high-speed diesel engines require reduction gear units to provide a useful propeller speed. In most reduction gears, the bull gear ______.A. must churn the oil in the sump.B. is connected to the propeller shaftC. is driven at the highest speed.D. compensates for alignment variations between the engine and pinion gear.B一些中高速柴油机需要减速齿轮来提供螺旋桨的速度，在大多数减速齿轮中，大齿轮与螺旋桨轴链接。