Q1: 1. What is Poisson's ratio?

• A) Ratio of tensile stress to tensile strain
• B) Ratio of lateral strain to longitudinal strain
• C) Ratio of shear stress to shear strain
• D) Ratio of bulk modulus to shear modulus

Q2: 2. How is Poisson's ratio calculated?

• A) ΔV/V
• B) ΔL/L
• C) ΔV/ΔL
• D) ΔL/ΔV

Q3: 3. What does a Poisson's ratio of 0.5 indicate?

• A) Perfectly elastic material
• B) Perfectly plastic material
• C) Incompressible material
• D) Brittle material

Q4: 4. In which of the following materials is Poisson's ratio close to 0?

• A) Rubber
• B) Steel
• C) Glass
• D) Aluminum

Q5: 5. What is the typical range of Poisson's ratio for most engineering materials?

• A) 0 to 0.5
• B) -1 to 1
• C) 0.5 to 1
• D) 0 to 1

Q6: 6. Which property is affected by Poisson's ratio in materials?

• A) Thermal conductivity
• B) Electrical resistivity
• C) Young's modulus
• D) Ductility

Q7: 7. What happens to Poisson's ratio as a material approaches its elastic limit?

• A) Decreases
• B) Increases
• C) Remains constant
• D) Becomes negative

Q8: 8. How does Poisson's ratio affect the behavior of composite materials?

• A) Increases strength
• B) Decreases ductility
• C) Influences thermal expansion
• D) Reduces cost

Q9: 9. What is the Poisson's ratio of a perfectly incompressible material?

• A) 0
• B) 0.5
• C) 1
• D) -1

Q10: 10. How does Poisson's ratio relate to the bulk modulus of a material?

• A) Inversely proportional
• B) Directly proportional
• C) Not related
• D) Exponential relationship