Английский язык. Писарева Л.П. - 39 стр.

II.      Answer the following questions. Give your own explanation.

      1. What is one of the main factors affecting the operation of a high-speed oil
         engine?
      2. What should be done when the wear has reached the allowable minimum?
      3. What’s the result of using unsuitable lubrication oil?
      4. What happens if water leaks into the lubricating oil?

III.     Translate these sentences into Russian, paying special attention to the modal
         verbs meaning.

      1. The future P 90 GFC engine will be able to achieve specific fuel consumption of
         131 g/b.h.p.h. at m.c.p.
      2. The engine is built as a direct-reversible unit or can be equipped with a
         hydraulically operated reversing gear.
      3. Relatively few alterations had to be made with the engine itself.
      4. This type of engine is to be built in two series, each from four to twelve
         cylinders.
      5. A great care should be taken with the design of the upper cylinder liner collar.

IV.      Look through the text and pick out the key sentences. Write them down.

V.       Translate into English using words and expressions from the text.

      1. Отложения лака мешают эффективному уплотнению цилиндра.
      2. Износ, в любом случае, только в тысячных дюйма.
      3. Если используется неподходящее масло, на стенках цилиндра образуется
         лакообразный нагар.
      4. Износ цилиндра можно измерить индикатором с круговой шкалой.
      5. Любые протечки воды надо устранять как можно быстрее.
      6. Попадание воды в смазочное масло может привести к ржавлению и
         коррозии внутри двигателя.

VI.      Ask each other the following questions. Give the detailed answers.

        1.   What factors affects the operation of an engine?
        2.   What facts show us that cylinder bore is worn?
        3.   When does reboring become necessary?
        4.   What is the nature of lacquer deposits?
        5.   What factors lead to excessive cylinder wear?
        6.   What deposits way foul the ports?
        7.   How can access to ports be arranged?
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