Mechanics of Materials & Structures Online Test – Paper 3

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

2. *The magnitude of a shear force at a distance of L/4 from either end of a simply supported beam with load P applied at midspan is equal to:

3. *The simple bending equation is

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

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

6. 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

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

8. *Which of the following gives Modulus of Elasticity

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

10. A shear force diagram of a simply supported beam shows constant shear force throughout the span. It is subjected to

11. A brittle material will

12. The zone between the elastic limit and proportional limit on the elastic curve of an elastic material is known as

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

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

15. Euler's formula for a column of length 1, with one end fixed and other hinged 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. *Centrifugal force is given by

18. What is strain energy?

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

20. *If a beam is loaded transversely, the maximum compressive stress develops on

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

22. *Load required to produce unit deflection is called

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

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

25. *Stress in a beam due to simple bending is

26. *If a cantilever beam of 8m long has a uniformly distributed load of 2KN/m throughout the length and a 10KN point load at the center of the beam, find the moment at the center:

27. *Thrust is induced in the case of

28. The stress in the member subjected to a force is

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

30. The point of contraflexure occurs in a beam

31. *The compression test is commonly used for testing

32. The diagram showing the variation of BM along the span of the beam is called

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

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

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

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

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

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

39. The brittle materials have low toughness because they

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

41. *Mathematically, strain may be defined as

42. The slenderness ratio of a vertical column of square cross-section of 10 cm side and 500 cm long is

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

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

45. A body having similar properties throughout

46. The ratio of moment of inertia of a square section to that of a circular section for a given depth is given by

47. The maximum bending moment caused on a simply supported beam subjected to two equal concentrated loads (W/2) spaced at an equal distance (L/3) over the span is

48. *The slope of an elastic curve at the point of contraflexture

49. The region of c/s of a column in which compressive load may be applied without producing tensile load is known as

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