Mechanics of Materials & Structures Online Test – Paper 3

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

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

3. *The unit failure stress is taken as :

4. A beam of uniform strength will have at every cross-section the same

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

6. *The compression test is commonly used for testing

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

8. The moment of inertia of a triangular section b x h about the base is

9. For keeping the stress wholly permissible, the load may be applied to a circular column anywhere within a concentric circle of diameter

10. *Toughness is

11. *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:

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

13. *Stress may be defined as force

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

15. *The S.I. unit of the modulus of elasticity is

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

17. A long vertical member subjected to an axial compressive load is called

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

19. An isotropic material has

20. The point of contraflexure occurs in a beam

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

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

23. *The centre of gravity of a triangle is at the point where three

24. 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

25. *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:

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

27. *Which of the following is dimensionless?

28. *The phenomenon of decreased resistance of material due to the reversal of stress is called

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

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

31. *The velocity of a moving body is:

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

33. Effective length of column fixed at one end and hinged at the other end is

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

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

36. Find the maximum BM induced in a simply supported beam if the beam is subjected to a point load of 4 KN at the center of the beam and the span of the beam is 4 m

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

38. 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)

39. *Compression members always tend to buckle in the direction of the

40. *When the equal and opposite forces are applied to a body, tending to elongate it, then the stress produced is called

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

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

43. *Strut is a

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

45. The moment of inertia of a rectangular (Bx D) section about its base is

46. *Young's modulus is the ratio of

47. Strain energy of a member may be defined as work done on it

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

49. *A beam is said to be of uniform strength if

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