1) Develop the stress – strain diagram for mild steel and mark the key points over it.
2) Explain the Bearing stress and the Crushing stress.
3) Explain the meaning of Creep? Explain several stages of the creep with suitable sketch.
4) Explain the factor of safety for ductile material and brittle material.
5) Describe the “Stress Concentration”.
6) Explain the term Resilience.
7) Describe the material specification for:
a) Fe400,
b) SG900/2,
c) 20Cr18Ni2
8) Explain why taper is offered on the cotter?
9) Explain the term Lever and Leverage.