State general advantages of Metal Forming.
[3 marks]How do you represent strain hardening effect?
[4 marks]Explain typical stress strain diagram for ductile material.
[7 marks]Define (i) Yield strength (ii) Strain Rate (iii) Plasticity.
[3 marks]Define Principle plane & stresses.
[4 marks]Explain two dimensional stresses with Mohr Circle Diagram.
[7 marks]Explain Isotropic & Kinematic work hardening with neat sketch.
[7 marks]Explain forging process with classification.
[3 marks]How impression die forging different from closed die forging.
[4 marks]Derive equation for rate of work done due to deformation for compression of strip.
[7 marks]Explain various rolling defects.
[3 marks]Define angle of bite & discuss its effect in rolling.
[4 marks]Derive formula for Rolling load using slab method with usual notations.
[7 marks]Difference between direct & indirect extrusion.
[3 marks]What are the benefits of hydrostatic extrusion?
[4 marks]Explain analysis of strip drawing process with usual notations.
[7 marks]State difference between compound & progressive die.
[3 marks]Difference between punching & blanking.
[4 marks]Explain hydrodynamic extrusion in wiredrawing with neat sketch.
[7 marks]Why friction measurement is necessary in forming process?
[3 marks]Explain forming limit diagram.
[4 marks]Explain upper bond & lower bond theory.
[7 marks]Explain clearance in sheet metal operations.
[3 marks]Explain spring back effect in bending.
[4 marks]Prove Hency first theorem for slip line with usual notations.
[7 marks]