Mechanics of Materials & Structures Online Test – Paper 3

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

2. The maximum bending moment in a simply supported beam loaded with a UDL of w/m having span l is

3. Along the neutral axis of a simply supported beam

4. *The velocity of a moving body is:

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

6. Point of contraflexure is a point where bending moment

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

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

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

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

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

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

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

14. *Maximum bending moment occurs where

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

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

17. *The simple bending equation is

18. *Young's modulus is the ratio of

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

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

21. Moment of inertia of a rectangular beam bxd is

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

23. The radius of gyration of a rectangular section is not proportional to

24. Identify the correct relationship that exists among the modulus of elasticity (E), modulus of rigidity (N), and bulk modulus (k) is

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

26. *Tensile internal force tends to:

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

28. The stress necessary to initiate yielding is considerably

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

30. For a column, with both ends fixed, the crippling load will be equal to

31. The beam strongest in flexure will have the maximum

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

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

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

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

36. Buckling load for a given column depends upon

37. *Toughness is

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

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

40. Which of the following end conditions permits the displacement in any direction and also rotation

41. Find the slenderness ratio of the column of M.I. = 10000cm4, Area =100cm^2 & effective length =3.0m

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

43. *Normal strain is defined as

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

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

46. What is strain energy?

47. The maximum deflection in a cantilever beam carrying a uniformly distributed load (w) over spans is (Where L is span of beam, W is total load and EI is flexural rigidity)

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

49. A beam is supported over three rollers lying in the same plane. The beam is stable for

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