REVIEW_____________________________Check Your Knowledge
Date: 2015-10-07; view: 407.
Read the texts of Unit 3 again and make notes under the following headings. Then use your notes to talk about Ventilation.
FOLLOW UP
1) Broad definition of Ventilation and basic approaches to it (spot and general).
2) Ventilation methods (natural and power).
3) Whole-house ventilation systems' classification (exhaust, supply and balanced):
-equipment needed,
- appropriate climates,
-disadvantages.
1.Match the terms with their definitions:
| 1) a fan | a) a device or an opening for letting fresh air come into a room, etc. |
| 2) ventilator | b) when a liquid, gas, or air moves continuously around a place or system |
| 3) to exhaust | c) a machine with blades that go round to create a current of air |
| 4) heat exchanger | d) operated by power from an engine |
| 5) bacteria | e) a machine that is used to force liquid, gas or air into or out of sth. |
| 6) to circulate | f) the amount of water in the air |
| 7) mechanical | g) waste gases that come out of a vehicle, an engine or a machine |
| 8) a damper | h) a piece of metal that can be moved to allow more or less air into a fire so that the fire burns more or less strongly |
| 9) a pump | i) a device for making heat pass from one liquid to another without allowing the liquids to mix |
| 10) humidity | j) the simplest and smallest forms of life, exist in large numbers in air, water and soil, and also in living and dead creatures and plants, and are often a cause of disease |
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