Define (1) Yield strength (2) Strain Rate (3) Platicity.
[3 marks]How do you represent strain hardening effect?
[4 marks]Explain two dimensional stresses with Mohr Circle Diagram.
[7 marks]What is upset forging?
[3 marks]Differentiate open die forging and closed die forging.
[4 marks]Analysis of compression of circular disc with slab method.
[7 marks]Explain VonMises & Tresca theory of yielding.
Discuss on materials used for making wire drawing dies.
[3 marks]What are the benefits of hydrostatics extrusion process?
[4 marks]Explain Extrusion and Wire Drawing processes in brief.
[7 marks]Why lubricants use in extrusion process?
[3 marks]Discuss direct and indirect extrusion with neat sketch.
[4 marks]Give list of methods used for calculation of extrusion load and explain any one of them in brief with neat sketch.
[7 marks]Define angle of bite and discuss its effect in rolling process.
[3 marks]Discuss various rolling defects.
[4 marks]Explain about Rolling process in brief with its detail classification.
[7 marks]Why friction measurement is necessary in forming process?
[3 marks]Briefly explain Forming limit curve with a neat sketch.
[4 marks]Derive the formula for Rolling Load using Slab Method with usual notations.
[7 marks]What do you understand by shear on punch and die?
[3 marks]State difference between compound and progressive dies.
[4 marks]What is Drawability? List and Discuss factor Affecting to Drawability.
[7 marks]Define (1) Notching (2) Nibbling (3) Slitting, for pres work.
[3 marks]Explain spring back effect in bending process.
[4 marks]Discuss stresses developed in deep drawing process with neat sketch.
[7 marks]