Английский язык. Писарева Л.П. - 24 стр.

4. Some engines use a dry sump to avoid the excessive lubrication of the cylinder
   walls.
5. The purpose of the auxiliary pump is to supply lubrication before the engine
   reaches speed.
6. An oil filter is used to prevent dirt from passing into the engine.

III.   Исправьте те предложения, которые искажают смысл текста.
       Запишите правильный вариант. Переведите предложения.

1.In order to lubricate the engine we must maintain an oil film between the moving
parts.
2. A positive-drive pump in the cylinder forces oil a filter.
3. Drilled holes in the crankshaft carry oil to the injection valve.
4.Excess oil from the various parts of the system returns to the cylinder block for
recirculation.
5. A separate mechanical force-feed system is usually used to oil the cylinder walls
in small engines.
6. The number of feeds per engine cylinder depends on the crankpin’s diameter.
7. The lubricator consists of a group of small reciprocating pumps.
8. Each pump is connected by tubing to the crankcase.
9. All engine lubricating systems provide for oil storage.

IV.    Выберите из трех данных предложений то, которое является
       ответом на вопрос. Укажите номер ответа и переведите
       предложения.

1. What must we do to lubricate the engine?
   a) To lubricate the engine we must provide it with fuel oil.
   b) To lubricate the engine we must increase its speed.
   c) To lubricate the engine we must maintain an oil film between the piston and
      cylinder wall.
2. Where does a positive-drive pump force oil?
   a) A positive-drive pump forces oil to the crankcase.
   b) A positive-drive pump forces oil to the fuel-injection valve.
   c) A positive-drive pump forces to a filter.
3. What does the number of feeds per cylinder depend on?
   a) The number of feeds per cylinder depends on the fuel-injection system.
   b) The number of feeds per cylinder depends on the crankpin’s diameter.
   c) The number of feeds per cylinder depends on the cylinder’s diameter.


V.     Переведите предложения, стараясь не пользоваться словарем.

     1. Для того, чтобы смазать двигатель, мы должны поддерживать масляную
        пленку между движущимися частями двигателя.
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