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Методичка 3 курс механики новая.docx
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  1. Match the following phrases.

    balanced cooling water flow

    петлевая продувка

    fuel injection system

    центробежный воздухонагнетатель

    cylinder output

    гидродинамическое (аэродинамическое) сопротивление

    fuel consumption

    компрессор турбонагнетателя

    loop scavenging

    гидравлический привод

    exhaust gas receiver

    повышенное давление

    flow resistance

    моноблочный впрыскивающий насос

    radial fan

    система впрыска топлива

    turbocharger compressor

    низкотемпературная коррозия

    hydraulic operation

    режимы мощности

    pressure increase

    выхлопной коллектор

    monoblock injection pump

    цилиндровая мощность

    low temperature corrosion

    потребление (расход) топлива

    power conditions

    сбалансированный поток охлаждающей жидкости

  2. Give English equivalents.

Мощность двигателя, степень сжатия, система продувки, с наддувом, объем, вспомогательный, воздуходувка, нагрузка, увеличивать, устранять, закреплять, тяжелое топливо, позволять.

  1. Find participles in the text and define their form and function.

  2. Translate the sentences paying attention to participles and participle constructions.

  1. The engine has a welded one-piece fabricated bedplate and a frame struc­ture.

  2. The turbocharger fitted is of non-water-cooled type.

  3. Built in vee form only, this engine is capable of developing 11700 bhp.

  4. For harbour duties there is a diesel engine driving a 50-kVa alternator and an air compressor.

  5. This class of engines is of the crosshead design with seven cylinders, the maximum continuous rating being 5300 bhp at 130 rpm.

  6. The cooling system is open, the water being supplied from the water line or from pressure tank.

  7. The injection pump having been tested, they installed it in the engine room.

  8. The engine being of the latest design, its output is high.

  1. Say if the sentences are true or false. Use the following phrases.

It’s right/It’s true.

Правильно.

It’s wrong/It’s false.

Неправильно.

Absolutely right.

Совершенно правильно.

Exactly so.

Точно так.

I am afraid you are mistaken.

Боюсь, вы ошибаетесь.

I can hardly agree with you statement.

Вряд ли смогу согласиться с вашим утверждением.

The WX 28 is a four-stroke engine.

This engine is available in vee form only.

It is designed for operation on heavy fuels.

A lot of attention was paid to the scavenging system.

To optimize scavenging, valves have been designed using advanced computer programs.

Hydraulic operation doesn’t allow the blower speed to be controlled.

Low temperature corrosion can cause cylinder wear.

  1. Answer the questions

  1. What type is Wichemann’s WX 28?

  2. What cylinder configuration does it have?

  3. What power range does the engine cover?

  4. What fuel does the engine work on?

  5. Is the fuel consumption of the engine high or low?

  6. What was done to reach low consumption figures?

  7. What scavenging does the engine have?

  8. What has been designed to optimize scavenging?

  9. What pumps does the fuel injection system have?

  10. What is important in heavy fuel operation?

  1. Give summary of the text using the questions from exercise 9 as a plan. Unit 6

  1. Read and remember the words.

dimensions

размеры

to deliver an output

развивать мощность

maximum continuous output

максимальная длительная мощность

ship

судно

propulsion

приведение в движение, двигатель, энергетическая гребная установка

space

пространство

valve cage

кожух клапана

plasma coated

с плазменным напылением

performance

работа

overhaul

ремонт, переборка (двигателя)

viscosity

вязкость

scuffing

образование задиров на поверхно­сти; образование царапин, (чрезмер­ное) истирание, износ, срабатывание

chromium plated

хромированный

groove

канавка