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