Mechanics of Materials & Structures Online Test – Paper 3

1. What is tenacity?

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

3. *The shear flow in a section can be defined as

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

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

6. Load carrying capacity of fixed beam is

7. *Tensile internal force tends to:

8. The section modulus of a circular section about an axis through its C.G. is

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

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

11. The shear center may be defined as

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

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

14. For a beam of uniform strength if its depth is maintained constant then its width will vary in proportion to

15. 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

16. The maximum deflection in a cantilever beam carrying a uniformly distributed load (w) over spans is (Where L is span of beam, W is total load and EI is flexural rigidity)

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

18. *Maximum bending moment occurs where

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

20. *Bending moment diagram of a simply supported beam having a uniformly distributed load is

21. The property of material by which it can be beaten or rolled into plates is called

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

23. 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

24. *The law which states that within elastic limits strain produced is proportional to stress producing it is known as:

25. A brittle material will

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

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

28. The maximum deflection of a beam occurs at

29. A section of a beam is said to be in pure bending if it is subjected to

30. *The product EI is called

31. 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

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

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

34. *Thrust is induced in the case of

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

36. Which of the following gives Modulus of Rigidity

37. *Find the maximum bending moment in a simply supported beam loaded with a UDL of 2 t/m having a span of 4m

38. Maximum bending moment occurs at the center if the simply supported beam is subjected to

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

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

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

42. An isotropic material has

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

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

45. *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:

46. The maximum shear stress will always occur at

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

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

49. Moment of inertia of a rectangular beam bxd is

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