PTU M.Tech Paper 2012 Non-Conventional Machining Processes

PTU M.Tech Paper 2012 Non-Conventional Machining Processes Punjab Technical University Exam 2012 Non-Conventional Machining Processes Test September and March Question Paper Free Download Punjab Technical University Non-Conventional Machining Processes Question Papers 2012 PTU M.Tech Question Paper 2012 for all students Previous Year old Past Papers of PTU M.Tech Paper 2012 Non-Conventional Machining Processes Punjab Technical University September 2012 and March 2012 Exam M.Tech Sample Model Question Papers Free Download PDF

Non-Conventional Machining Processes

  1.  Sketch and explain the schematic diagram of AiM system.
  2. Why different abrasives produce different MRR.
  3. Discuss the reasons for inaccuracies in AJM process.
  4. If suppose USM is used for drilling ii hole (under the same machining conditions) in Aluminium and Cast Iron. Which one will have higher depth of the drilled hole and why?
  5. I Explain the functions of ‘Horn’ in USM.
  6. What do you understand by ‘transducer’ and ‘magnetostriction effects’?
  7. Explain various parameters that influence the performance of chemical machining process.
  8. Write in tabular form the basic differences between chemical and electroc hemical processes.
  9. Why surface finish obtained in case of chemical machining of alloys is poor’? Explain in brief.
  10. Discuss the mechanism of material removal in EDM process.
  11. What are the different ways of gap-flushing used in EDM?
  12. Discuss the factors influencing the choice of electrode material in EDM. Name the best electrode material forfinish machining a small die made of WC by EDM.

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