Mechanics of Materials & Structures Online Test – Paper 3

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

2. A viscoelastic material

3. At the point of application of concentrated load on a beam, there is

4. *Mathematically, strain may be defined as

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

6. Which of the following gives Poisson's ratio?

7. *A truss is completely analyzed, when

8. *The amount of shear force at the maximum bending moment

9. *The rate of change of shear force is called

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

11. A beam fixed at both ends with a central load W in the middle will have zero bending moment

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

13. *Stress may be defined as force

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

15. Centrifugal force acts away from the center of the path while centripetal force

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

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

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

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

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

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

22. Buckling load for a given column depends upon

23. 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

24. A body having similar properties throughout

25. The stress due to temperature change in a member depends on

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

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

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

29. The slenderness ratio of a vertical column of a square section of 2.5 cm sides and an effective length of 1.75 m is

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

31. Point of contraflexure is a point where bending moment

32. A cantilever beam is one which is:

33. The maximum deflection of a beam occurs at

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

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

36. A simply supported beam of length I carries a load varying uniformly from zero at the left end to the maximum at the right end. The maximum bending moment occurs at a distance of

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

38. The maximum deflection of a simply supported beam subjected to a uniformly distributed load (w) over the span is

39. Along the neutral axis of a simply supported beam

40. *Dead load of a member is the

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

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

43. Permanent set is

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

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

46. The actual breaking stress of a ductile material from a tension test will be

47. Rate of change of bending moment is equal to

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

49. The beam strongest in flexure will have the maximum

50. Which of the following materials will have the highest Young's Modulus?