MATERIAL TESTING LABORATORY VIVA

2. Deformation per unit length in the direction of force is known as......

• Strain

• Lateral strain

• Linear Strain

• Linear Stress

3. The property of a material by virtue of which a body return to its original shape after removal of the load is called ....

• Plasticity

• Elasticity

• Ductility

• Malleability

4. If a material expands freely due to heating it will develop .......

• Thermal stress

• Tensile stress

• No stress

• Compressive stress

5. The total strain energy stored in a body is termed as ...

• Resilience

• Modulus of resilence

• Toughness

• Impact Energy

6. The property of a material by virtue of which it can be beaten or rolled into plates is called .......

• Malleability

• Ductility

• Plasticity

• Elasticity

7. If a material is loaded beyond yield point stress ....

• It becomes elastic

• it becomes ductile

• its resistance to fatigue increases

• it loses its tendency to return to its original shape.

8. The unit of strain ......

• Dimensionless

• kg/cm

• N/m

• kg/mm

9. The ratio of lateral strain to linear strain within elastic limit is known as .......

• Young's Modulus

• Poisson's ratio

• Bulk Modulus

• Modulus of rigidity

10. The maximum strain energy that can be stored in a body is known as ......

• Impact energy

• Resilience

• Proof resilience

• Modulus of resilience

11. A material capable of absorbing large amount of energy before fracture is known as .....

• Ductility

• Toughness

• Resilience

• Plasticity