Mechanics of Materials & Structures Online Test – Paper 3

1. The shear center may be defined as

2. The maximum deflection of a beam occurs at

3. In simple bending theory, the assumption that a plane section before bending remains plane after bending implies that

4. A body having similar properties throughout

5. 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

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

7. 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

8. *The maximum BM produced in a simply supported beam having a span of 4 m and subjected to a UDL of 10 kN/m

9. The safe value of stress below which the material will not fail when subjected to a reversal of stress is known as

10. The c.g. of a semi-circular arc is

11. The maximum deflection of a simply supported beam subjected to a uniformly distributed load (w) over the span is

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

13. According to Hook's law, which one is correct?

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

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

16. 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

17. The point of contraflexure occurs in a beam

18. A perfectly elastic body is

19. *Short column taking maximum load having equal section

20. The property of material by which it can be drawn, due to tension, to a smaller section, is called

21. In a beam where shear force is maximum, the bending moment will be

22. Buckling load for a given column depends upon

23. *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:

24. *The tension in a cable supporting a lift

25. The number of reaction components at a hinge on rollers support is

26. Along the neutral axis of a simply supported beam

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

28. A beam of uniform strength will have at every cross-section the same

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

30. *Which of the following is dimensionless?

31. *The Young's Modulus of elasticity is defined as the ratio of stress & strain within the

32. In an I section, almost all the shear force is taken by

33. The impact tests are used to determine

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

35. *Dead load of a member is the

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

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

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

39. The value of Poisson's ratio always remains

40. A cantilever beam is one which is:

41. *Which of the following gives Bulk Modulus?

42. The moment of inertia of a triangular section b x h about the c-g is

43. Which of the following materials will have the highest Young's Modulus?

44. Rate of change of bending moment is equal to

45. Shear strain is defined as

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

47. The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length is

48. What is tenacity?

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

50. A viscoelastic material