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What are the major advantages of choosing Nuclear fusion over Nuclear fission as a future source of energy ?
1.Its hydrogen isotope fuels are relatively abundant than the commonly used Nuclear fission fuels.
2.It is more environment friendly than Nuclear fission.
3.Fusion releases more energy than a nuclear fission reaction for equal fuel mass.
Select the correct answer using the codes below.
1 and 2 only
2 and 3 only
1 and 3 only
1 , 2 and 3
Statement 1: Fusion fuels are widely available and nearly inexhaustible. Deuterium can be distilled from all forms of water, while tritium will be produced during the fusion reaction as fusion neutrons interact with lithium. (Terrestrial reserves of lithium would permit the operation of fusion power plants for more than 1,000 years, while sea-based reserves of lithium would fulfil needs for millions of years.) Statement 2: Fusion doesn't emit harmful toxins like carbon dioxide or other greenhouse gases into the atmosphere. Its major by-product is helium: an inert, non-toxic gas. Nuclear fusion reactors produce no high activity, long-lived nuclear waste. The activation of components in a fusion reactor is low enough for the materials to be recycled or reused within 100years. Statement 3: Fusing atoms together in a controlled way releases nearly four million times more energy than a chemical reaction such as the burning of coal, oil or gas and four times as much as nuclear fission reactions (at equal mass). Fusion has the potential to provide the kind of baseload energy needed to provide electricity to our cities and our industries. Learning: No risk of meltdown: A Fukushima-type nuclear accident is not possible in a tokamak fusion device. It is difficult enough to reach and maintain the precise conditions necessary for fusion—if any disturbance occurs, the plasma cools within seconds and the reaction stops. The quantity of fuel present in the vessel at any one time is enough for a few seconds only and there is no risk of a chain reaction. To harness fusion reaction power generation, the ITER (International Thermonuclear Experimental Reactor) project is funded and run by seven member entities—the European Union, India, Japan, China, Russia, South Korea, and the United States. It will be the world's largest magnetic confinement plasma physics experiment
By: kamaljeet kaur ProfileResourcesReport error
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