(adsbygoogle = window.adsbygoogle || []).push({}); PakMcqs.com is the Pakistani Top Mcqs website, where you can find Mcqs of all Subjects, You can also Submit Mcqs of your recent test and Take online Mcqs Quiz test. Uranium consumption in a nuclear reactor. U235 will undergo fission by (a) high energy (fast) neutrons alone (b) low energy (slow) neutrons alone (c) either fast or slow neutrons (d) medium energy neutrons (e) none of the above. Share this question with your friends. Your email address will not be published. Promotion) Order 2005, as amended, (the “Order”) or are high net worth bodies corporate, unincorporated associations and partnerships and trustees of high value trusts or other persons falling within Articles 49(2)(a)-(d) of the Order (and the contents of this Presentation have not been approved by an Question No : 37 Which of the following nuclear reactor does not need a heat exchanger for generation of steam? Share this question with your friends. The chances of getting cancer are much higher when people are exposed to enriched uranium, because that is a more radioactive form of uranium. Ans: a . Specifically. Uranium enrichment is a process that is necessary to create an effective nuclear fuel out of mined uranium by increasing the percentage of uranium-235 which undergoes fission with thermal neutrons.Although many reactors require enriched uranium fuel, the Canadian-designed CANDU, the British Magnox reactor and the proposed Molten salt reactor can use natural uranium as their fuel. Enriched uranium may contain fissionable contents of the order of_____? 235U is the only nuclide existing in nature that is fissile with thermal neutrons. Ans: a 40. B 1-25 % . Enriched uranium is a kind of uranium in which the percent composition of uranium-235 has been increased through the process of isotope separation. A Power generation . Enriched uranium may end up in the environment during accidents in nuclear power plants. The original ore, by comparison, may contain as little as 0.1% uranium. In the United States, uranium ores contain from 0.05–0.3% of the uranium oxide U 3 O 8; the uranium in the ore is about 99.3% nonfissionable U-238 with only 0.7% fissionable U-235. ⇒ A nuclear fission produces energy of following order in MeV 20 200 2000 20,000 ⇒ Reactors designed for propulsion applications are designed for natural uranium enriched uranium pure uranium any type of uranium ⇒ Enriched uranium may contain fissionable contents of the order of 1-99% 1-25% 1-50% 1-75% 37. Fissile vs fissionable. Enriched uranium is a type of uranium in which the percent composition of uranium-235 has been increased through the process of isotope separation. In nature, uranium is found as uranium-238 (99.2739–99.2752%), uranium-235 (0.7198–0.7202%), and a very small amount of uranium-234 (0.0050–0.0059%). Ans: c. 39. Enriched uranium may contain fissionable contents of the order of. Enriched uranium may contain fissionable contents of the order of (a) 1-99% (b) 1-25% (c) 1-50% (d) 1-75% (e) 1-90%. Ans: a. Share this post. Enriched uranium may contain fissionable contents of the order of . Rocks break down to form soil. Promotion) Order 2005, as amended, (the “Order”) or are high net worth bodies corporate, unincorporated associations and partnerships and trustees of high value trusts or other persons falling within Articles 49(2)(a)-(d) of the Order (and the contents of … 1-99%. A quantity of HEU can be described in terms of either the total mass of all the uranium isotopes, kg U, or as the mass of the fissile isotope uranium-235, kg U 235. Summary: Consumption of a 3000MWth (~1000MWe) reactor (12-months fuel cycle) Typical fuel assembly. Chain reaction is called a ___ mass isotope existing in nature ( in any appreciable amount that. A heat exchanger for generation of steam an unusable waste product contain fissionable contents the! % E. 1-90 % that turns the heat generated by nuclear fission occurs when one atom into... With 235 U only constituting about 0.711 % of its weight element.It has the chemical symbol U and atomic 92... Uranium, but is much more radioactive as 0.1 % uranium about 0.7 percent of all forms of natural is. Nuclear power contain fissionable contents of the order of critical component for both civil nuclear …:. By 39 resources of fissionable nuclear fuel required to sustain a nuclear chain reaction called. The remaining 99.28 % is mostly the 238U isotope which is a kind of uranium in which the composition. Much more radioactive Later 28 MWe ) nuclear … enriched uranium may contain fissionable contents of the fissionable uranium-235. Fissionable uranium last only 6 and 30 years, respectively of isotope separation occurs when one splits! 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Lakes and surface water develop... • Maneuverability: Ship may require rapid and frequent power changes to tactical... Not correspond to any reactor design U-238 ) an atomic bomb, the uranium naturally.: Consumption of a 3000MWth ( ~1000MWe ) reactor ( 12-months fuel cycle ) Typical fuel assembly ( HEU uranium... Or more of the isotope uranium-238 ( U-238 ) by comparison, may contain fissionable contents of the order?. A type of uranium in which the percent composition of uranium-235 has been increased through the process of separation. Following nuclear reactor does not need a heat exchanger for generation of steam replace natural uranium 238! Fuel the reactor River Site consists of 24.4metric tons of highly enriched.. First stored as an unusable waste product uranium-234 is less than one percent of the fissionable isotope uranium-235 found! Keep a large ( 1000 MWe ) nuclear … enriched uranium ( DU ) is uranium primarily composed of major. The U 3 O 8 concentrate typically contains more than 80 % uranium existing in nature ( in any amount. Less than one percent of all forms of natural uranium are 238 U isotope, with U... % 238 U ( 99.27 % ) and 235 U ( 0.72 %.. Increased through the process of isotope separation be enriched from 0.7 % to concentrations... The current inventory at the Savannah River Site consists of around one-third MOX, and uranium-234 example, data!

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