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Translate the text into Russian. Hydroelectric power plants are built on rivers
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Hydroelectric power plants are built on rivers. Large-capacity hydroelectric power plants are commonly located at considerable distances from the consumers of electric power.
The production process at these plants is rather simple: the water flows into the hydroturbine runner, acts upon the runner blades and rotates the runner and the turbine shaft.
The generator shaft is connected to the turbine runner shaft. The difference in the water level influences the power capacity of a plant, i.e. the magnitude of the water head and the daily inflow of water fluctuates considerably according to the season.
The production process is different at power plants of different constructions and of different kinds. In atomic power plants, for example, it is not so simple as in hydroelectric plants.
2. Complete the sentences using the correct variant:
1. Hydroelectric power plants a) on rivers.
are built b) on waterfalls.
2. Large-capacity power plants a) at a short distance from consumers of power
are located b) at a considerable distance from consumers
of power
3. The production process at the a) is very complex.
plants b) is rather simple.
4. The power capacity of a plant a) remains constant.
b) changes considerably.
c) is influenced by the difference in the water
level.
5. The daily inflow of water a) fluctuates according to the
consumption.
b) fluctuates according to the season.
6. The production process a) depends upon the construction of the
plant.
b) is the same at power plants of different
constructions.
3. Pair work. Put these questions to your groupmate and ask him/her to answer them:
1. On what sites are hydroelectric power plants built?
2. Are large-capacity plants located far from consumers of power?
3. Is the production process at the plants simple or is it complex?
4. What influences the power capacity of a plant?
5. According to what factors does the daily inflow of water fluctuate?
6. Does the production process at the plant depend on its construction?
7. Do you know that a thermal power plant seldom has an efficiency more than 40%?
4. Put down the Russian equivalents of these word combinations. Then
translate them back into English.
runner blade
turbine runner
turbine shaft
water level
water head
large capacity power plant
magnitude of the water head
daily inflow of water
turbine runner shaft
Date: 2015-12-13; view: 2011; Нарушение авторских прав