Mechanics of Materials & Structures Online Test – Paper 3

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

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

3. A column that fails primarily due to direct stress is called

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

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

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

7. Centrifugal force acts at a curve

8. *Which of the following gives Bulk Modulus?

9. A brittle material will

10. Moment of inertia of a rectangular beam bxd is

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

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

13. *Which of the following gives Modulus of Elasticity

14. 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

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

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

17. *A cable subjected to U.D.L. over its entire span assumes a shape of

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

19. Euler's formula for a column of length 1, with one end fixed and other hinged is

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

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

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

23. *The shear force in a concrete beam is assumed to act

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

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

26. In a fixed beam, the points of contraflexure,

27. *A tie is a member which

28. If a constant section is subjected to a uniform/ pure bending moment throughout, its length bends to

29. *Centrifugal force is given by

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

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

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

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

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

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

36. *Centre of gravity of a semi-circle is... above the base AB (Dia.)

37. A body having similar properties throughout

38. 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

39. *Hooke's law holds good up to:

40. *Maximum deflection of a simply supported beam subjected to concentrated load (w) at the mid-point is

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

42. "When a rectangular beam is loaded transversely the maximum compressive stress is developed on the :

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

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

45. If the Poisson's ratio of a material is 0.25, the ratio of Modulus of Rigidity to the Young's Modulus is

46. The c.g. of a semi-circular arc is

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

48. The maximum shear stress will always occur at

49. *Proof resilience is the greatest stored energy at

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