Mechanics of Materials & Structures Online Test – Paper 3

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

2. *Determinate beam can be analyzed with the help of

3. *The compression test is commonly used for testing

4. The equivalent length of column fixed at one end and free at the other end is

5. A brittle material will

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

7. *In the case of a fixed beam loaded at a point at its center, the number of points at which BM is zero

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

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

10. *The unit failure stress is taken as :

11. Find the bending moment at the center and also find the maximum bending moment

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

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

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

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

16. The slope of the curve of B.M. diagram at any section will be equal to

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

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

19. The c.g. of a semi-circular arc is

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

21. *The product EI is called

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

23. Point of contraflexure is a point where bending moment

24. Shear force diagram for a cantilever carrying a UDL over its whole length is

25. The diagram showing the variation of axial load along the span is called

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

27. *BM in a cantilever beam having a span of 1.8m and a uniformly distributed load of 4kg/m

28. *"If a rod is simultaneously pulled at both of its ends, it will be a case of:

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

30. 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)

31. The effective length of a column if both ends are hinged

32. *As per the elastic theory of design, the factor of safety is the ratio of

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

34. *The simple bending equation is

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

36. If a material has identical properties in all directions, it is said to be

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

38. Which of the following gives Modulus of Rigidity

39. *Tensile internal force tends to:

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

41. The stress necessary to initiate yielding is considerably

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

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

44. *The maximum BM produced in a simply supported beam having a span of 4 m and subjected to a UDL of 10 kN/m

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

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

47. Moment of inertia of a rectangular beam bxd is

48. *"A simply supported beam of span L carries a uniformly distributed load W. The maximum bending moment, M is:

49. A brittle material has

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