Nuclear Energy Overview

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What process releases energy when atoms split into parts?

Nuclear fission

Which type of energy is currently the basis for nuclear power?

Atomic fission

How do both nuclear power stations and fossil fuel stations produce energy?

By using energy to make steam and turn turbines

Which country has 6 nuclear power plants, including Chashma and Karachi power stations?

<p>Pakistan</p> Signup and view all the answers

When was the Karachi Power Station commissioned?

<p>1971</p> Signup and view all the answers

What is the primary source of heat for generating thermal electricity from geothermal resources?

<p>Magma</p> Signup and view all the answers

In geothermal energy production, what type of area is most suitable for trapping hot waters underground?

<p>Areas with high water consumption</p> Signup and view all the answers

Which method of geothermal energy extraction involves pressurized steam bubbling up from underground?

<p>Hydrothermal reservoirs</p> Signup and view all the answers

What creates pockets of high-pressure steam ready for collection in regions with extensive steam reserves due to volcanic activity?

<p>Cooling lava flows</p> Signup and view all the answers

Which technology is used to convert thermal energy into electrical energy in thermal power plants?

<p>Hydroelectric generators</p> Signup and view all the answers

What distinguishes geothermal energy from thermal electricity derived from burning fossil fuels?

<p>Geothermal energy relies on heat sources within the Earth, while fossil fuels rely on human activities</p> Signup and view all the answers

What type of geological processes generate pure steam in places like Alaska's Valley of Ten Thousand Smokes?

<p>Volcanic activity</p> Signup and view all the answers

What drives the generators to produce electricity from geothermal sources?

<p>Turbines powered by steam or hot fluids</p> Signup and view all the answers

In thermal power plants, what is the purpose of the stationary blades attached to rotators?

<p>Move heated air across</p> Signup and view all the answers

What is the main reason coal fires burn hotter compared to wood or biomass fuel in generating thermal electricity?

<p>Higher carbon atom content</p> Signup and view all the answers

How does reducing atmospheric pressure contribute to the generation of electricity in thermal power plants?

<p>Depresses the boiling point of water, allowing rapid steam generation</p> Signup and view all the answers

What is the mechanical work done by the expansion of steam in thermal power plants?

<p>Spinning turbine blades</p> Signup and view all the answers

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