Mechanics of Materials & Structures Online Test – Paper 3

1. Which one is correct if the deflection of a beam is y

2. In a continuous beam, the point where bending moment changes sign is called

3. The difference between BM values at any two sections will be equal to

4. In a beam, the neutral plane

5. The strain energy stored by a member when strained within the elastic limit is known as

6. *The maximum bending moment caused by a moving load on a simply supported beam is

7. What is strain energy?

8. *Maximum bending moment occurs where

9. A brittle material will

10. The number of reaction components at a hinge on rollers support is

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

12. The maximum bending moment caused by a moving load on a fixed-end beam occurs

13. A body having similar properties throughout

14. *Stress in a beam due to simple bending is

15. For a column of given material, the Rankine's constant depends on

16. The difference between SF values at any two sections will be equal to

17. Along the neutral axis of a simply supported beam

18. A cantilever beam of span 4m and carrying a point load of 10 kN located at 3m from the fixed end. Find the BM at the fixed and free end

19. *The ratio of the largest load in a test to the original cross-sectional area of the piece is called:

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

21. *Normal strain is defined as

22. The safe value of stress below which the material will not fail when subjected to a reversal of stress is known as

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

24. *In a simply supported beam subjected to a point load at the center, the maximum bending moment occurs at

25. *When the equal and opposite forces are applied to a body, tending to elongate it, then the stress produced is called

26. Which of the following gives Poisson's ratio?

27. A beam of uniform strength will have at every cross-section the same

28. The impact tests are used to determine

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

30. *Fatigue is the failure of a material under:

31. Permanent set is

32. In a beam where shear force is maximum, the bending moment will be

33. Moment of inertia of a rectangular beam bxd is

34. The section modulus of a rectangular section is proportional to

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

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

37. The ratio of moment of inertia of a square section to that of a circular section for a given depth is given by

38. *Thrust is induced in the case of

39. What is tenacity?

40. The crippling load for a column with both ends hinged is

41. The algebraic sum of the shear flow of a section in any direction must be equal to

42. Longitudinal cracks observed in timber beams are due to

43. The maximum bending moment caused by a large number of equally spaced identical loads on a simply supported beam is (W = wL)

44. Effective length of column fixed at one end and hinged at the other end is

45. A shear force diagram of a simply supported beam shows constant shear force throughout the span. It is subjected to

46. *Maximum deflection of a simply supported beam subjected to concentrated load (w) at the mid-point is

47. In simple bending theory, the assumption that a plane section before bending remains plane after bending implies that

48. Find the maximum BM induced in a simply supported beam if the beam is subjected to a point load of 4 KN at the center of the beam and the span of the beam is 4 m

49. *Proof resilience is the greatest stored energy at

50. *The S.I. unit of the modulus of elasticity is