Mechanics of Materials & Structures Online Test – Paper 3

1. *Which of the following gives Bulk Modulus?

2. The relation between deflection (y) and bending moment (M) is

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

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

5. Centrifugal force acts away from the center of the path while centripetal force

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

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

8. *The critical bending moment caused in a fixed end beam loaded with a uniformly distributed load (W = wL) throughout is

9. An isotropic material has

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

11. According to Hook's law, which one is correct?

12. If magnitude and direction of a load does not change with respect to time, this type of load is called

13. Maximum bending moment occurs at the center if the simply supported beam is subjected to

14. The bending moment in a cable carrying a system of loads will be

15. How does Young's Modulus vary with an increase in temperature?

16. *Proof resilience is the greatest stored energy at

17. A beam simply supported at ends is subjected to load. The maximum bending moment is located where

18. *The property of a material by which a body returns to its original shape after removal of the force is called

19. The value of buckling load is ... than the crushing load in the case of a long column

20. If the Poisson's ratio of a material is 0.25, the ratio of Modulus of Rigidity to the Young's Modulus is

21. The method of increasing fatigue resistance by overstressing the metal by successively increasing the loading is known as

22. 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

23. *Load required to produce unit deflection is called

24. A cantilever beam is one which is:

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

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

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

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

29. *The simple bending equation is

30. *A member which does not regain its original shape after the load producing deformation is removed, is said to be:

31. Shear strain is defined as

32. 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

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

34. *The compression test is commonly used for testing

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

36. Along the neutral axis of a simply supported beam

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

39. The maximum deflection of a simply supported beam subjected to a uniformly distributed load (w) over the span is

40. The maximum number of transverse shear forces possible at one end of an element of a plane frame are

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

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

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

44. If α is the coefficient of linear expansion, T is the rise in temperature, then thermal stress is given by

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

46. The variation of the bending moment in the segment of a beam where no external load is present is

47. Bending moment diagram of simply supported beam with a point load at the centre of the span is

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

49. 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)

50. The moment of inertia of a triangular section b x h about the c-g is