1. Define the terms load stress and strain. Discuss the various types of stresses and strain.
2. What is the difference between modulus of elasticity and modulus of rigidity?
3. Explain clearly the bearing stress developed at the area of contact between two members.
4. What useful information is obtained from the tensile test of a ductile material?
5. What do you mean by factor of safety?
6. List the important factors that influence the magnitude of factor of safety.
7. What is meant by working stress and how is it calculated from the ultimate stress or yield stress of a material? What will be the factor of safety in each case for different types of loading?
8. Describe the procedure for finding out the stresses in a composite bar.
9. Explain the difference between linear and lateral strain.
10. Define the following: (a) Poisson's ratio, (b) Volumetric strain, and (c) Bulk modulus.
11. Derive an expression for the impact stress induced due to a falling load.
12. Write short notes on: (a) Resilience, (b) Proof resilience, and (c) Modulus of resilience.