Английский язык: Сборник текстов и упражнений для студентов специальности "Эксплуатация судовых энергетических установок". Писарева Л.П. - 26 стр.

      2. What’s the cooling system’s job?
      3. What are cylinder heads and cylinders provided with?
      4. Where do pistons transfer their heat?
      5. What is the heat exchanger?
      6. What types of heat exchangers do you know?
      7. What should you know about the temperature of cooling water?
      8. What can a large amount of cold water supplied into hot engine cause?

      III. Think and answer. Give extensive answers.
      1. Why is it necessary to cool the engine?
      2. What cooling medium can be used?
      3. Why is it preferable to cool the piston with oil?
      4. Why is sea water used generally in the coolers?

       IV. a) Translate into Russian defining the prefixes in the words.
       Unwanted, unequal, uncomfortable, indirectly, insufficient, indefinitely, incorrect, irregu-
lar, discharge, disconnect, remove, recirculate, recover, reheat, recool.

      b) Combine the following words with the above and translate them into Russian.
      Heat, heating, stress, conditions, cooling, water level, timing, supply, operation, combus-
tion products, heat balance, as much heat as possible, cold water, circulating pump.

     V. Find synonyms to the following words in the text.
     Thermal energy, to alter, to escape, burnt gases, warm, cylinder cover, function, to eliminate,
undesirable, failure, to divide, to supply, to transmit, quantity, liquid, sufficient, additional, to keep.

     VI. Translate sentences paying attention to the Infinitive functions.
     1. The cooling system job is to remove the undesirable heat from the moving parts of the
engine.
     2. Many engines use oil coolers to remove the heat in the lubricating oil.
     3. To transfer heat from one fluid to another a heat exchanger is used.
     4. Cooling is also provided for the exhaust manifold to prevent high temperatures.
     5. The plant utilizes a heat exchanger to recover heat from exhaust gases.

      VII. Change the following sentences into the Passive Voice.
      1. Fresh water cools the piston.
      2. The burning fuel transfers the heat to the metal parts of the engine.
      3. Sea water cools the oil and scavenging air.
      4. The engine drove the pump.
      5. We provided an oil film between the rubbing surfaces.

     VIII. Translate sentences from Russian into English.
     1. Цилиндровые крышки и цилиндры обычно снабжены рубашками.
     2. Масляный холодильник используют для удаления тепла из смазочного масла.
     3. Назначение системы охлаждения – предотвратить перегрев трущихся поверхностей.
     4. Тепловой баланс двигателя может меняться в зависимости от типа двигателя и
конструкции цилиндров, поршней и системы смазки.
     5. Теплообменники могут быть водяного и воздушного охлаждения.
     6. Охлаждение пресной водой вызывает меньшее отложение осадков и накипи,
меньше вызывает коррозию.

      IX. Look through the text again and find key sentences to retell the text.

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