1. Is solar energy a single energy technology? 2. Is solar energy a term that covers a diverse set of renewable energy technologies?
3. What is the difference between solar energy and energy of oil, gas, coal, and present forms of
nuclear power?
4. Is solar energy inexhaustible?
5. What main groups of solar energy do you know?
6. Has the sun been used for heating for centuries?
7. When did architects increasingly become familiar with passive solar techniques?
8. What does a typical active solar-heating unit consist of?
9. What are the main problems of solar heating and solar cooling systems?
10. Do you think that solar cooling requires a higher technology installation?
11. Is fluid heated to an intermediate temperature in solar cooling systems, and why?
12. What is used in solar cooling to drive a refrigeration cycle?
13. Do you think that a lot of commercial installations of solar heating and solar cooling have
been made up to date?
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