Mechanics Of Materials & Structures Online Test - Paper 3
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Mechanics of Materials & Structures Online Test – Paper 3

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Created by 83a36dcfd5c4caff12bc80f0020c9c749e12cbbbdb7c406dc1dd39996cb85836?s=32&d=monsterid&r=g gkaimVikash chaudhary

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  • Total Questions: 50
  • Time Allotted: 50 minutes
  • Passing Score: 70%
  • Randomization: Yes
  • Certificate: Yes
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1. The c.g. of a semi-circular arc is

2 / 50

2. The value of Poisson's ratio always remains

3 / 50

3. If all the dimensions of a bar are increased in the proportion n:1, the proportion with which the maximum stress produced in the prismatic bar by its own weight will increase in the ratio

4 / 50

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

5 / 50

5. The shear force on a beam is proportional to

6 / 50

6. *When the equal and opposite forces are applied to a body, tending to elongate it, then the stress produced is called

7 / 50

7. 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

8 / 50

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

9 / 50

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

10 / 50

10. How does Young's Modulus vary with an increase in temperature?

11 / 50

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

12 / 50

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

13 / 50

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

14 / 50

14. *Mathematically, strain may be defined as

15 / 50

15. A shear force diagram of a simply supported beam shows constant shear force throughout the span. It is subjected to

16 / 50

16. The stress necessary to initiate yielding is considerably

17 / 50

17. The shear center may be defined as

18 / 50

18. *The simple bending equation is

19 / 50

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

20 / 50

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

21 / 50

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

22 / 50

22. *The ratio of the intensity of stress in a case of a suddenly loaded to that of gradually applied load is

23 / 50

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

24 / 50

24. A member that is subjected to reversible tensile or compressible stress may fail at a stress lower than the ultimate stress of the material. The property of the metal is called

25 / 50

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

26 / 50

26. *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:

27 / 50

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

28 / 50

28. *As the elastic limit reaches, tensile strain

29 / 50

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

30 / 50

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

31 / 50

31. *A beam is said to be loaded in pure bending when

32 / 50

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

33 / 50

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

34 / 50

34. *Maximum bending moment occurs where

35 / 50

35. If the elasticity of the material is zero then the material is said to be

36 / 50

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

37 / 50

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

38 / 50

38. The brittle materials have low toughness because they

39 / 50

39. *Which of the following sections is the most efficient in carrying bending moments

40 / 50

40. In a continuous beam, the point where bending moment changes sign is called

41 / 50

41. *Which of the following is dimensionless?

42 / 50

42. *The velocity of a moving body is:

43 / 50

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

44 / 50

44. Point of contraflexure is a point where bending moment

45 / 50

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

46 / 50

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

47 / 50

47. A viscoelastic material

48 / 50

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

49 / 50

49. A body having similar properties throughout

50 / 50

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

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