Mechanics of Materials & Structures Online Test – Paper 3

1. *The total time of collision and restitution of two bodies is called

2. Which of the following materials will have the highest Young's Modulus?

3. The stress due to temperature change in a member depends on

4. *The shear flow in a section can be defined as

5. *A beam is said to be loaded in pure bending when

6. *Toughness is

7. The shear center may be defined as

8. The slope of the curve of S.F. diagram at any section will be equal to

9. *The relation between the radius of curvature (R), bending moment (M), and flexural rigidity (EI) is given by

10. The slenderness ratio of a vertical column of a square section of 2.5 cm sides and an effective length of 1.75 m is

11. The shear force on a beam and the displacement are related by

12. In the case of a simply supported beam subjected to UDL, the maximum shear force occurs at a point

13. What is tenacity?

14. *Find the maximum bending moment in a simply supported beam loaded with a UDL of 2 t/m having a span of 4m

15. *The tension in a cable supporting a lift

16. Along the neutral axis of a simply supported beam

17. Shear strain is defined as

18. Load carrying capacity of fixed beam is

19. *The amount of shear force at the maximum bending moment

20. A column that fails primarily due to direct stress is called

21. Find the maximum BM induced in a cantilever beam subjected to a point load of 10 KN and a length of the beam is 10 m. The load is located at a distance of 3 m from the free end:-

22. The moment of inertia of a triangular section b x h about the base is

23. A column that fails primarily due to buckling is known as

24. The brittle materials have low toughness because they

25. *Bending moment diagram of a simply supported beam having a uniformly distributed load is

26. If y is the deflection of the beam, then shear force is

27. *Centrifugal force is given by

28. The phenomenon of slow growth of strain under steady tensile stress, i.e., increasing with time, is called

29. *The ratio of the intensity of stress in a case of a suddenly loaded to that of gradually applied load is

30. *The rate of change of shear force is called

31. In a beam, the neutral plane

32. The diagram showing the variation of BM along the span of the beam is called

33. *The stress at which the extension of a material takes place more quickly as compared to the increase in load is called

34. *Compression members always tend to buckle in the direction of the

35. The effective length of a column effectively held in position and restrained in direction at one end will be

36. The region of c/s of a column in which compressive load may be applied without producing tensile load is known as

37. The moment of inertia of an area will be least with respect to

38. Find the elongation of a bar if c/s area of the bar is A, length 1, applied load p, modulus of elasticity of material is E

39. What is strain energy?

40. The bending moment acting on the plane of an element will cause the following type of stress on the plane

41. If a constant section is subjected to a uniform/ pure bending moment throughout, its length bends to

42. A viscoelastic material

43. Moment of inertia of a rectangular beam bxd is

44. *The inclined member carrying compressive load in the case of frames and trusses is

45. At the point of application of concentrated load on a beam, there is

46. *The law "Stress is proportional to strain within certain limits" is formulated by

47. The maximum deflection in a cantilever beam carrying a concentrated load 'w' at the free end is (Where L is span of bean, W is total load and EI is flexural rigidity)

48. The maximum bending moment caused by a moment M applied at a distance 'a' from one end on a simply supported beam is.... (where L=span, a>L/2)

49. The moment of inertia of a square section is given by

50. In a simply supported beam with span, L subjected to a point load, W at the center. Find the maximum bending moment induced in the beam