Mechanics of Materials & Structures Online Test – Paper 3

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

2. *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

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

4. The crippling load for column of length 1, with one end fixed and the other end free is

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

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

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

8. *Thrust is induced in the case of

9. The value of Poisson's ratio always remains

10. Shear strain is defined as

11. *Which of the following gives Bulk Modulus?

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

13. If y is the deflection of the beam, then shear force is

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

15. The maximum number of transverse shear forces possible at one end of an element of a plane truss are

16. Longitudinal cracks observed in timber beams are due to

17. 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

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

19. *The simple bending equation is

20. The brittle materials have low toughness because they

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

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

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

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

26. *Determinate beam can be analyzed with the help of

27. The bending moment diagram for a cantilever beam subjected to a moment at the end of the beam would be

28. A cantilever beam is the one which is supported with

29. *The critical bending moment caused in a fixed end beam loaded with a uniformly distributed load (W = wL) throughout is

30. The method of increasing fatigue resistance by overstressing the metal by successively increasing the loading is known as

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

32. *A tie is a member which

33. Which one is correct if the deflection of a beam is y

34. The stress in the member subjected to a force is

35. Along the neutral axis of a simply supported beam

36. A beam is supported over three rollers lying in the same plane. The beam is stable for

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

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

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

40. The maximum shear stress will always occur at

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

42. *A beam is said to be of uniform strength if

43. Moment of inertia of a rectangular beam bxd is

44. *Centrifugal force is given by

45. *Proof resilience is the greatest stored energy at

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

47. Effective length of column fixed at one end and hinged at the other end is

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

49. The difference between SF values at any two sections will be equal to

50. *The compression test is commonly used for testing