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  1. Translate the sentences paying attention to the meanings and pronunciation of the word subject. Define the functions it performs in the sentences.

          1. subject (to) [səb'ʤekt], гл. – подвергать;

          2. (be) subject (to) ['sʌbʤekt], прил. – подверженный.

      1. Corrosion takes place where both liquid (жидкий) and vapor (паровой) phases exist (существовать), and at areas subject to local cooling (охлаждение).

      2. Since (поскольку) this material has already been subjected to hydrogenation (гидрирование), cracking, and reforming in the first stage(этап), the operations of the second stage are severe (критичные) (higher temperatures and pressures).

      3. Because the metallic materials it contacts are subject to corrosion the makeup water (добавляемая вода) is highly purified (очищать) before use.

      4. The products of the reaction are subjected to vacuum distillation.

      5. The processing of crude oil at high temperatures and pressures using equipment (оборудование) and piping subjected to stress (мех. напряжение, нагрузка) and corrosion requires sophisticated knowledge, control, and expertise.

      6. Subjecting the mixture (смесь) to certain temperature and pressure conditions allows one substance to remain a gas while the rest (остальные) become liquids.

  1. Find the suitable definition for each of the terms given.

        1. alkene;

        2. antiknock (adj.);

        3. caustic (adj.);

        4. diesel fuel;

        1. distillation;

        2. double bond;

        3. explosive;

        4. gasoline;

        1. hydrocarbon;

        2. impurities;

        3. internal combustion engine;

        1. kerosene;

        2. lubricating oil;

        3. octane number.

  1. Able to burn or corrode organic substance (вещество) by chemical action.

  2. A chemical bond in which two pairs of electrons are shared between two atoms.

  3. A compound of hydrogen (водород) and carbon, such as any of those that are the chief (главный) components of petroleum and natural gas.

  4. A figure indicating the antiknock properties of a fuel, based on a comparison with a mixture of isooctane and heptane.

  5. A fuel that is used in diesel engines. It has a low ignition (воспламенение) temperature (540 °C) and is ignited by the heat of compression.

  6. A light fuel oil obtained (получать) by distilling petroleum, used especially in jet engines and domestic heaters and lamps and as a cleaning solvent.

  7. An engine that generates motive power (движущая сила) by the burning of gasoline, oil, or other fuel.

  8. Any of the series of unsaturated hydrocarbons containing a double bond, including ethylene and propylene. They have the general formula: CnH2n.

  9. A substance that decomposes (распадаться) rapidly (быстро) under certain conditions with the production of gases expanding (расширяться) by the heat of the reaction.

  10. A substance used for minimizing friction (трение) in an engine or component.

  11. Having a quality of inhibiting preignition (преждевременное воспламенение).

  12. Purification (очистка) or separation of mixture by using different evaporation rates (скорости) or boiling points (точки кипения) of their components.

  13. Refined petroleum used as fuel for internal combustion engines.

  14. Substances that are present in small quantities in another substance and make it dirty or of an unacceptable (недопустимый, неприемлемый) quality.

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