Mechanics of Materials & Structures Online Test – Paper 3

1. The bending moment in a cable carrying a system of loads will be

2. What is strain energy?

3. *Thrust is induced in the case of

4. *The law "Stress is proportional to strain within certain limits" is formulated by

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

6. The impact tests are used to determine

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

8. A perfectly elastic body is

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

10. The limit of proportionality depends upon

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

12. *The compression test is commonly used for testing

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

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

15. *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

16. The variation of the bending moment in the segment of a beam where no external load is present is

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

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

19. The shear force on a beam is proportional to

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

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

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

23. The rate of change of shear force is called

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

25. An orthotropic material has

26. What is tenacity?

27. *The unit failure stress is taken as :

28. The relation between deflection (y) and bending moment (M) is

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

30. The shear center in the case of a T-beam section is

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

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

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

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

35. The expression EI(d^4y/dx^4) at any section for a beam is equal to

36. 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

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

38. The zone between the elastic limit and proportional limit on the elastic curve of an elastic material is known as

39. The strain energy stored by a member when strained within the elastic limit is known as

40. The actual breaking stress of a ductile material from a tension test will be

41. An isotropic material has

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

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

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

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

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

47. 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

48. *The bending moment at a section tends to bend or deflect the beam and internal stresses resist its bending. The resistance offered by the internal stress to the bending, is called:

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

50. A brittle material will