Coal-Powered Electricity Generation
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Questions and Answers

What is the primary role of pulverizing coal in the electricity generation process?

Pulverizing coal increases its surface area for more efficient burning.

Explain how steam is generated in a boiler from burning coal.

Burning coal produces heat that converts water inside the boiler tubes into high-pressure steam.

Describe the function of the turbine in the steam coal electricity generation process.

The turbine converts high-pressure steam energy into mechanical energy by rotating its blades.

How does a generator convert mechanical energy into electricity?

<p>The generator rotates wire coils in a magnetic field, inducing an electric current.</p> Signup and view all the answers

What happens to steam after it passes through the turbine?

<p>The steam is condensed back into water and returned to the boiler.</p> Signup and view all the answers

Why is electricity transformed into higher voltages for transmission?

<p>Higher voltages reduce energy loss as electricity travels long distances.</p> Signup and view all the answers

What voltage transformation occurs as electricity approaches consumption points?

<p>Electricity is transformed down to a safer 220 volts for homes.</p> Signup and view all the answers

Study Notes

Coal-Powered Electricity Generation

  • Coal is burned to generate steam
  • Steam heats water to a high temperature
  • High-pressure steam pushes turbine blades
  • Turbine shaft rotates, connected to a generator
  • Generator produces electricity
  • Electricity is transformed to higher voltages for transmission
  • Electricity is transformed back to lower voltages for homes/grids

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Description

Explore the process of how coal is utilized to generate electricity. This quiz covers the steps from burning coal to transforming generated electricity for home use. Test your knowledge on the mechanics of coal-powered generators and their role in energy production.

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