Mechanics of Materials & Structures Online Test – Paper 3

1. What is strain energy?

2. A perfectly elastic body is

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

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

5. The shear force on a beam is proportional to

6. The maximum deflection in a cantilever beam carrying a concentrated load 'w' at the free end is (Where L is span of bean, W is total load and EI is flexural rigidity)

7. A body having similar properties throughout

8. A column that fails primarily due to direct stress is called

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

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

11. The equivalent length of column fixed at one end and free at the other end is

12. A viscoelastic material

13. The diagram showing the variation of BM along the span of the beam is called

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

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

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

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

18. *Dead load of a member is the

19. Along the neutral axis of a simply supported beam

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

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

22. Moment of inertia of a rectangular beam bxd is

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

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

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

26. The section modulus of a rectangular section is proportional to

27. Point of contraflexure is a point where bending moment

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

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

30. *The forces which meet at one point, but their lines of action do not lie in a plane, are called:

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

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

33. The slope of the curve of S.F. diagram at any section will be equal to

34. *A tie is a member which

35. *Toughness is

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

37. The maximum bending moment caused by a moment M applied at a distance 'a' from one end on a simply supported beam is.... (where L=span, a>L/2)

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

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

40. A brittle material has

41. The value of buckling load is ... than the crushing load in the case of a long column

42. *If a beam is loaded transversely, the maximum compressive stress develops on

43. *The law which states that within elastic limits strain produced is proportional to stress producing it is known as:

44. Find the value of thrust, if the member (beam) is subjected to an inclined force having a magnitude of 5 kN and an inclination with the vertical of 30°

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

46. *Which of the following is dimensionless?

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

48. The moment of inertia of a rectangular (Bx D) section about its base is

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

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