Elastic behaviour, stress–strain and Hooke’s law - Question Bank
1. When a solid is subjected to a deforming force, it tends to regain its original configuration due to the property of:
2. The stress–strain curve for a perfectly elastic material would be a:
3. Which type of deformation is temporary and reversible?
4. What is the relationship between stress, strain, and Young's modulus (Y) within the elastic limit?
5. The stress required to break a unit area of a material is called:
6. If a material is stressed beyond its elastic limit, it exhibits:
7. Which factor does NOT affect the elastic limit of a material?
8. The slope of the stress-strain curve in the elastic region represents:
9. A spring obeys Hooke's Law. If you double the force applied to the spring, its extension will:
10. The region of the stress-strain curve after the yield point up to fracture is known as the:
11. Poisson's ratio relates:
12. Which of the following is NOT a type of elastic modulus?
13. The phenomenon of a material regaining its original shape and size after the removal of the deforming force is called:
14. If the stress exceeds the elastic limit, the material will:
15. When a rubber band is stretched and released, it returns to its original shape because it is within its:
16. Which of the following is a dimensionless quantity?
17. For most materials, the elastic limit is typically:
18. The reciprocal of Bulk Modulus is called:
19. If a body is subjected to uniform pressure, the stress developed is:
20. The modulus of elasticity that measures resistance to volume changes is:
21. Which type of stress is associated with a change in shape without a change in volume?
22. The ultimate tensile strength of a material is the:
23. The yield point on a stress-strain curve represents the stress at which:
24. The region of the stress-strain curve where Hooke's Law is obeyed is called the:
25. The stress–strain curve typically shows:
26. A material with a low Young's modulus is considered:
27. A material with a high Young's modulus is considered:
28. The SI unit of Young's Modulus is:
29. Young's Modulus (Y) is defined as:
30. If a wire of length L stretches by ΔL, the strain is given by:
31. If a force F is applied on an area A, the stress is given by:
32. Strain is a measure of:
33. Stress is measured in units of:
34. The point beyond which a material does not return to its original shape is called the:
35. A material that can undergo large plastic deformation before breaking is called:
36. A material that breaks without significant plastic deformation is called:
37. Which property of a material indicates its resistance to elastic deformation?
38. The modulus of elasticity that relates shear stress to shear strain is called:
39. The modulus of elasticity that relates tensile or compressive stress to tensile or compressive strain is called:
40. If the deforming force is applied perpendicular to the surface of a body, the stress developed is:
41. When a wire is stretched by a force, the stress developed in the wire is:
42. The elastic limit is the point up to which:
43. What is the unit of strain?
44. Compressive stress is also a type of:
45. Tensile stress is a type of:
46. Which type of stress is caused by forces acting parallel to the surface of a body?
47. The proportionality constant between stress and strain (within the elastic limit) is called:
48. Hooke's Law states that within the elastic limit:
49. Strain is defined as the ratio of:
50. Which of the following best describes stress?