Text comprehension

9. Answer the questions to the Text 2.

1. What is cogeneration?

2. What is the main principle it is based on?

3. What is the efficiency of a cogeneration system?

4. Where can cogeneration systems be used?

5. Can this type of power systems be called “eco-friendly” compared to other power supply systems?

6. How does cogeneration conserve energy?

7. What benefits does it give to consumers?

8. How does cogeneration reduce our electricity bills?

9. What is the role of cogeneration in electricity generation in Europe?

10. What urgent problems does cogeneration help to solve?

Vocabulary practice

10. Give the Russian equivalents for the following words used in the text.

simultaneous generation of electricity emit heat release cooling towers flue gas useful heating and cooling waste heat capture by-product heat absorption refrigerators heating cooling moderate temperatures separate thermal power plant traditional power plant drive gas or steam turbine-powered generator produce low-temperature waste heat electricity generation temperature range high cost purchase depend on exhaust steam

11. Can you translate the sentences from Russian into English without a dictionary?

1. Когенерация – процесс совместной выработки электричества и тепла.

2. Когенерация – эффективная форма сбережения энергии.

3. Потребитель не зависит от сбоев в электроснабжении и аварий в системах.

4. Тепло используется непосредственно в месте получения и стоит дешевле.

5. Когенерационные установки широко используются во многих странах.

6. Когенерация выгодна для потребителей с постоянным потреблением электроэнергии и тепла.

7. Эффективность станций совместной выработки электрической и тепловой энергии является высокой.

12. Scan the text. Find the passage speaking about the benefits of a cogeneration system compared to other power systems. Translate it.

13. L ook at the chart presenting the key words and word combinations of the topic “Cogeneration”. Add at least three key words to each category.

Cogeneration	Conventional system
use fossil fuel effectively	waste fossil fuel
high efficiency	low efficiency
no harmful effect on nature	nature pollution
1. …	1. …
2. …	2. …
3. …	3. …

Work in groups and compare Cogeneration and Conventional Systems using the above-mentioned criteria.

14. Put the key-sentences of the text in the right order and write them down in the second column of the table. Retell the text using the sentences as a plan.

Key-sentences	Plan for retelling the text
1. Cogeneration is widespread in the majority of European countries.
2. The basic principle of CHP is to take into account the heat demand of enterprises and residential buildings.
3. Thanks to CHP technology the environment is less polluted.
4. Cogeneration is an industrial technology aimed at producing electricity and heat at the same time.
5. CHP makes it possible to save available energy resources.
6. The CHP technology provides more efficient and effective energy conversion and use.
7. The given technology makes it possible to increase the number of working places.
8. The CHP contributes to solving the problem of improving local and general security of power supply.
9. As the CHP provides decetralisation of electricity generation, the local needs are better met.

15. Summarize information of the text. The following expressions can be useful for you.

The title of the text gives an idea of …..

The text deals with …..

The text gives basic information on …..

The text represents rich information on ….

……… is under consideration in the text.

First, I would like to dwell on ……

The first / second / third part is concerned with ……

The next part contains …..

This part of the text gives detailed information on ……

It should be noted that …….

In conclusion I'd like to say…