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admin

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Everything posted by admin

  1. Why CNC machines are more accurate than conventional machine tools ?
  2. What is the difference between isotropic and anisotropic materials ?
  3. What do you understand by basic static load rating of a bearing ?
  4. What is the difference between a machine and a mechanism ?
  5. What is the difference between fixed beam and continuous beam ?
  6. How dose cavitation manifest itself in a centrifugal pump ?
  7. What do you understand by acoustic velocity ?
  8. In what connection Wilson line and Willan's line used ?
  9. In which cycle heat is added at constant pressure and rejected at constant volume ?
  10. What is the difference between directrix and generatix ?
  11. What is the name of solid solution of carbon in alpha iron and delta iron ?
  12. Why is spring washer used in some bolted joints ?
  13. What is the difference between lower pair and higher pair ?
  14. How much is infinite life for steel components ?
  15. What should be done to avoid cavitation in pumps ?
  16. What is saybolt seconds universal ?
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