Mechanics of Materials & Structures Online Test – Paper 3

1. *The centre of gravity of a triangle is at the point where three

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

3. What is strain energy?

4. *Toughness is

5. In the case of an H section, the maximum shear stress will occur at

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

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

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

9. If the elasticity of the material is zero then the material is said to be

10. *In a simply supported beam with span (L) having a triangular load with its intensity 0 at both ends and W at center. The maximum BM will be

11. A Prismatic bar when subjected to pure bending assumes the shape of

12. *A beam is said to be of uniform strength if

13. Centrifugal force acts at a curve

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

15. The number of reaction components at a hinged end of a general loading is

16. Buckling load for a given column depends upon

17. Point of contraflexure is a point where bending moment

18. "When a rectangular beam is loaded transversely the maximum compressive stress is developed on the :

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

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

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

22. A section of a beam is said to be in pure bending if it is subjected to

23. *A simply supported beam as shown in the fig. carries 10 t of load. What will be the reaction at point B ?

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

25. The variation of the bending moment in the portion of the beam carrying a linearly varying load is

26. If the stress produced by a prismatic bar is equal to the working stress, the area of the cross-section of the prismatic bar becomes

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

28. *Thrust is induced in the case of

29. The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length is

30. *The ratio of change in volume to the original volume is called:

31. 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

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

33. The section modulus of a circular section about an axis through its C.G. is

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

35. The reaction at end A of the beam shown is

36. The impact tests are used to determine

37. A beam fixed at both ends with a central load W in the middle will have zero bending moment

38. *Short column taking maximum load having equal section

39. *Proof resilience is the greatest stored energy at

40. If the value of Young's Modulus of elasticity for a material is zero, it implies that the material is

41. In a beam, the neutral plane

42. The square root of the ratio of moment of inertia and cross-section area of the member is known as

43. The maximum deflection of a beam occurs at

44. Find the maximum SF 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

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

46. In an I section, almost all the shear force is taken by

47. An isotropic material has

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

49. *The Young's Modulus of elasticity is defined as the ratio of stress & strain within the

50. A body having similar properties throughout