Freedom Dosn't Means Lisence But The Wisdom To Choose What Is Right For Oneself

2530 words - 11 pages

III Year B. Tech (Mechanical with specialization in Energy Engineering) - VI Semester Course: BEM 304 - CONVENTIONAL ENERGY TECHNOLOGIES – II ASSIGNMENT Answer two questions Unit I
1. Classify nuclear reactors? What are the advantages and disadvantages of nuclear power plant? 2. Write about Indian nuclear power plants? 3. What is chain reaction? How it is maintained? What is the difference between controlled and uncontrolled chain reaction? Explain with neat sketches and with examples. 4. Write short notes on (i) Boiling water reactor (ii) Fast breeder reactor 5. What are the principles of nuclear energy? Discuss the various factors to be ...view middle of the document...

What are fission fragments and fission products? Explain a fission chain with an example. 24. Explain about liquid metal fast breeder reactor with a neat sketch. 25. What is the average energy released per fission for U-235 and Pu-239? What is meant by critical size and critical mass? 26. Explain the characteristics features of a PWR. 27. Explain the function of moderator? What is the criterion of its effectiveness? 28. What is a CANDU-type reactor? Explain with a sketch its main features. What is a calandria? 29. What is thermal reactor? What is a fast reactor? 30. Explain the characteristics features of a BWR. What do you mean by external and internal circulation? 31. On what factors does the nuclear reaction rate depend? 32. Differentiate nuclear fission and fusion. 33. What are homogeneous and heterogeneous reactors? 34. How the nuclear reactors are classified? 35. What is the function of pressurizer in a PWR? 36. What do you understand by moderation? 37. What are the advantages of nuclear power plant? 38. Explain about gas cooled reactor with a neat sketch. 39. What are the factors control the selection of a particular type of reactor? What is chain reaction? 40. What is fast breeder reactor? List down any two types. 41. What is the function of moderator and reflector used in nuclear power plant? 42. Name the coolants used for fast breeder reactor. Define the term Breeding. 43. What are the components used in pressurized water reactor nuclear power plant? 44. What are the important properties that the moderator should posses? 45. How the nuclear reactor is classified according to the type of moderator used? 46. Define multiplication factor? Indicate the types of nuclear fission reactor power plants operating in India. 47. Give a few details about the atomic power station currently operating in Tamilnadu. 48. What are the important properties that a control rod should posses? 49. Explain about pressurized heavy water reactor with a neat sketch. 50. Write about reactor materials.


51. What is meant by radiation shielding? 52. Explain about fast breeder reactor with a neat sketch. 53. How nuclear waste is disposed? 54. Calculate the following: a. b. The fission rate of U235 for producing a power of one watt. The energy released in the complete fissioning of 1 kg of U235

Assume that 200 MeV are released per fission of the uranium nucleus 55. A nuclear reactor consumes 10 kg of U235 per day. Calculate its power output if the average energy released per U-235 fission is 200 MeV. 56. During a 10-hour run from one station to another, a railway engine develops an average power of 1200 kW. If the engine is driven by an atomic power plant of 20% efficiency, how much U235 would be consumed on the run? Each U235 atom on fission releases 180 MeV of energy. 57. Calculate the total binding energy and the binding energy per nucleon for the oxygen isotope. 58. The half-life of Radon gas is 3.83 days. What is its radioactive decay constant? What...

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