Mechanics of Materials & Structures Online Test – Paper 3

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

2. A viscoelastic material

3. A perfectly elastic body is

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

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

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

7. The shear center in the case of a T-beam section is

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

9. *Thrust is induced in the case of

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

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

12. If the length of a simply supported beam carrying a concentrated load at the center is doubled, the deflection at the center will become

13. *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

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

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

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

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

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

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

20. Find the maximum BM 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:-

21. *The unit failure stress is taken as :

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

23. *The maximum deflection of a simply supported beam subjected to a concentrated load (W) at the midpoint is

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

25. *Strut is a

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

27. Normally, the numerical value of Poisson's is

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

29. The point of contraflexure occurs in a beam

30. *The shear force and bending moment are related by

31. 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)

32. The moment of inertia of a square section is given by

33. The number of reaction components at a hinge on rollers support is

34. *Fatigue is the failure of a material under:

35. *Stress may be defined as force

36. *A truss is completely analyzed, when

37. *The variation of the bending moment in the segment of a beam where the load is uniformly distributed is

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

39. *The compression test is commonly used for testing

40. A brittle material has

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

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

43. *The total time of collision and restitution of two bodies is called

44. The rate of change of shear force is called

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

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

47. *Which of the following gives Bulk Modulus?

48. Point of contraflexure is a point where bending moment

49. *The critical bending moment caused in a fixed end beam loaded with a uniformly distributed load (W = wL) throughout is

50. *The law "Stress is proportional to strain within certain limits" is formulated by