Mechanics of Materials & Structures Online Test – Paper 3

1. The expression EI(d^4y/dx^4) at any section for a beam is equal to

2. Rate of change of bending moment is equal to

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

4. *The law which states that within elastic limits strain produced is proportional to stress producing it is known as:

5. *A point where SF is zero, BM is

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

7. *Moment of inertia of an object having rectangular section of 'b' as width and 'd' as depth is given by:

8. Shape of the bending moment diagram for a simply supported beam having a point load at the center is

9. In rectangular column having cross section b X h, the core is

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

11. *The compression test is commonly used for testing

12. *The velocity of a moving body is:

13. Buckling load for a given column depends upon

14. Euler's formula for a column of length 1, with one end fixed and other hinged is

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

16. *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

17. The crippling load for column of length 1, with one end fixed and the other end free is

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

19. *If the shear force along a section of a beam is zero, the bending moment at the section is:

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

21. The maximum deflection of a beam occurs at

22. If the length of a simply supported beam carrying a concentrated load at the center is doubled, the deflection at the center will become

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

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

25. The number of points of contraflexture in a simply supported beam carrying udl is

26. A simply supported beam of length I carries a load varying uniformly from zero at the left end to the maximum at the right end. The maximum bending moment occurs at a distance of

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

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

29. The maximum shear stress will always occur at

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

31. *Stress may be defined as force

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

33. *The shear force in a concrete beam is assumed to act

34. 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:-

35. 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

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

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

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

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

40. *Maximum bending moment occurs where

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

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

43. *A diagram that shows the variation of axial force

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

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

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

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

48. *A cable subjected to U.D.L. over its entire span assumes a shape of

49. *The bending moment at a section tends to bend or deflect the beam and internal stresses resist its bending. The resistance offered by the internal stress to the bending, is called:

50. The actual breaking stress of a ductile material from a tension test will be