Mechanics of Materials & Structures Online Test – Paper 3

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

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

3. An isotropic material has

4. The maximum bending moment caused by a large number of equally spaced identical loads on a simply supported beam is (W = wL)

5. In the case of an H section, the maximum shear stress will occur at

6. *If a cantilever beam of 8m long has a uniformly distributed load of 2KN/m throughout the length and a 10KN point load at the center of the beam, find the moment at the center:

7. A long vertical member subjected to an axial compressive load is called

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

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

10. *Centrifugal force is given by

11. 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

12. Rate of change of bending moment is equal to

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

14. *Stress may be defined as force

15. *Toughness is

16. The phenomenon of slow growth of strain under steady tensile stress, i.e., increasing with time, is called

17. *Strut is a

18. An orthotropic material has

19. *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

20. *The simple bending equation is

21. 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

22. Bending moment diagram of simply supported beam with a point load at the centre of the span is

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

24. A viscoelastic material

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

26. The point of contraflexure occurs in a beam

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

28. *In a simply supported beam subjected to a point load at the center, the maximum bending moment occurs at

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

30. *Which of the following is dimensionless?

31. *The product EI is called

32. The maximum deflection of a beam occurs at

33. The brittle materials have low toughness because they

34. A cantilever beam of span 4m and carrying a point load of 10 kN located at 3m from the fixed end. Find the BM at the fixed and free end

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

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

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

38. A perfectly elastic body is

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

40. Point of contraflexure is a point where bending moment

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

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

43. 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

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

45. *The compression test is commonly used for testing

46. The square root of the ratio of moment of inertia and cross-section area of the member is known as

47. If the value of Young's Modulus of elasticity for a material is zero, it implies that the material is

48. The shear center may be defined as

49. *BM in a cantilever beam having a span of 1.8m and a uniformly distributed load of 4kg/m

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