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  1. Why are the superalloys used for land-based turbines?

  2. What is the different between ferrite percentage and ferrite number?

  3. What kind of components are fabricated from the superalloys and what are their roles?

  4. What kind of shell systems are used for investment casting?

  5. How can Residual stresses in superalloy components can be minimised?

  6. Why do the Gamma Prime and Gamma Double Prime phases play such an important role in promoting strength in the superalloys?

  7. What is or what characterize the thermodynamic state of metal (structure of metal)?

  8. What special precautions need to be employed if a powder metallurgy route is chosen?

  9. Is it possible to determine the heat treatment condition in Stainless Steel (ASTM A 479 Gr XM-19) by checking the microstructure?

  10. Why is Chromium Molybdenum steels used to build pressure vessels? What is special about the properties of Chromium Molybdenum steels that make them ideal for pressure vessels?

  11. What are the superalloys used for? What are the superalloys?

  12. How can you separate gold from mercury?

  13. Is it possible to determine the heat treatment condition in Stainless Steel (ASTM A 479 Gr XM-19) by checking the microstructure?

  14. Why duplex or super duplex stainless steels are welded with low heat input type electrode?

  15. Which metals do not react with lithium Bromide ad why?

  16. Why same casting has different hardness and machineability properties?

  17. what are different grades of mild steel available for making machine structure (housing) ?

  18. What is stress corrosion cracking?

  19. Upto what negative temperature below zero degree we can use IS 2062 Structural material?

  20. what are the causes of delayed fracture in case hardened steels?

     
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