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Question 5

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Write down the steps of electricity generation in a geothermal plant. (2 marks)

Question 6

Explain the efficiency of a geothermal plant. Write an equation to calculate it.



Answer :

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Final answer:

The steps in electricity generation in a geothermal plant involve drilling wells, utilizing heat energy to run turbines, and converting mechanical energy to electricity. Geothermal plant efficiency is determined by how well it converts heat into electricity using a specific equation.


Explanation:

To generate electricity in a geothermal plant, the following steps are involved:

  1. Drilling wells into a geothermal reservoir to bring hot water to the surface.
  2. Using the heat energy from the geothermal water to run turbines at a geothermal power plant.
  3. This mechanical energy is then converted into electricity.

The efficiency of a geothermal plant is a measure of how effectively it converts heat into electricity. The efficiency can be calculated using the equation: Efficiency = (Useful energy output / Total energy input) x 100%.


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