Define 1)Yield strength 2)Strain Rate 3) Platicity
[3 marks]Differentiate hot forming & cold forming
[4 marks]Explain typical stress strain diagram for ductile material.
[7 marks]Explain Tresca theory of yielding in brief.
[3 marks]How do you represent strain hardening effect?
[4 marks]Explain two dimensional stresses with Mohr Circle Diagram.
[7 marks]Explain Isotropic & Kinematic work hardening with neat sketch
[7 marks]Difference between closed die & open die forging.
[3 marks]Why friction is necessary in forging process?
[4 marks]Explain various forging operations with neat sketch.
[7 marks]What is upset forging?
[3 marks]How impression die forging different from closed die forging?
[4 marks]Explain friction board drop hammer for Forging.
[7 marks]Explain Roll chamber with neat sketch.
[3 marks]Define angle of bite & discuss its effect in rolling.
[4 marks]Explain typical arrangement of roll & roll mill.
[7 marks]Explain anisotropy in sheet metal.
[3 marks]Explain forming limit diagram.
[4 marks]Derive formula for Rolling load using slab method with usual notations.
[7 marks]Explain spring back effect in bending process.
[3 marks]What do you understand shear on punch & die?
[4 marks]Explain various operation performed by Press Machine.
[7 marks]Discuss material used for wire drawing die.
[3 marks]Explain wire drawing process in brief.
[4 marks]Explain hydrodynamic extrusion in wiredrawing with neat sketch.
[7 marks]