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• Предмет Політологія
• Соціальне страхування
• Технічні засоби організації дорожнього руху
• Товарознавство продовольчих товарів

Which of the following sentences from the text contain the Passive Voice forms? Explain how you define these forms.

1. A solid wall may separate the fluids.

2. Fins or corrugations are sometimes used with the wall

3. Heat exchangers have found their use in several industries.

4. The main use of heat exchangers is in industrial procedures.

5. In the counter-flow heat exchanger, the fluids enter the exchanger from opposite sides.

6. The set of tubes present in a shell and tube heat exchanger is called a tube bundle.

7. The tube bundle is comprised of several different tubes in all shapes and sizes.

8. A regular and timely examination of heat exchangers is essential.

6. Say if the following statements are true or false. If the statement is false explain why:

7. Imagine that you are a representative of the company that manufacturesfour different designs of heat exchangers: shell and tube, plate, regenerative and intermediate ones. At this moment you are at the engineering fair. There are some representatives of competitive companies designing the same types of heat exchangers. You have to exert every effort in order to persuade the potential customers of buying nothing but your manufactured articles. So think over a brief informative presentation.

Pick up the key words from the text “Heat exchangers”. Make up your own sentences with them.

Write an abstract to the text “Heat exchangers”.

Get ready for presenting the topic “Heat exchangers” at the conference ”Innovations in Science and Engineering” based on the following questions of Task 4.

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