Mechanics of Materials & Structures Online Test – Paper 3

1. Centrifugal force acts at a curve

2. Permanent set is

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

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

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

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

7. *As the elastic limit reaches, tensile strain

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

9. *Thrust is induced in the case of

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

11. *The maximum bending moment in a simply supported beam UDL is applied

12. *Toughness is

13. *The simple bending equation is

14. *Tensile internal force tends to:

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

16. Which of the following is a relatively ductile material?

17. *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:

18. 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

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

20. In the case of a simply supported beam subjected to UDL, the maximum shear force occurs at a point

21. *The inclined member carrying compressive load in the case of frames and trusses is

22. *Which of the following is dimensionless?

23. *The ratio of the largest load in a test to the original cross-sectional area of the piece is called:

24. The brittle materials have low toughness because they

25. The value of Poisson's ratio always remains

26. *Which of the following gives Bulk Modulus?

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

28. *Normal strain is defined as

29. *The compression test is commonly used for testing

30. In a continuous beam, the point where bending moment changes sign is called

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

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

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

34. The maximum deflection in a cantilever beam carrying a concentrated load 'w' at the free end is (Where L is span of bean, W is total load and EI is flexural rigidity)

35. The stress necessary to initiate yielding is considerably

36. The bending moment in a cable carrying a system of loads will be

37. If a cantilever beam carries a uniformly distributed load over its entire length, then the shape of the shear force diagram and bending moment diagram respectively are

38. The moment of inertia of a triangular section b x h about the c-g is

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

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

41. The section modulus of a rectangular section is proportional to

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

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

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

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

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

47. *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

48. *A tie is a member which

49. The difference in ordinate of the shear force between any two sections is equal to the area under

50. A perfectly elastic body is