Mechanics of Materials & Structures Online Test – Paper 3

1. *Toughness is

2. The bending moment acting on the plane of an element will cause the following type of stress on the plane

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

4. A cantilever beam is one which is:

5. Along the neutral axis of a simply supported beam

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

7. *Thrust is induced in the case of

8. *A diagram that shows the variation of axial force

9. *Proof resilience is the greatest stored energy at

10. *If the shear force along a section of a beam is zero, the bending moment at the section is:

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

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

13. *The inclined member carrying compressive load in the case of frames and trusses is

14. *A point where SF is zero, BM is

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

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

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

18. If α is the coefficient of linear expansion, T is the rise in temperature, then thermal stress is given by

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

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

21. The maximum bending moment caused by a moving load on a fixed-end beam occurs

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

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

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

25. *The shear force and bending moment are related by

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

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

28. *The property of a material by which a body returns to its original shape after removal of the force is called

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

30. A viscoelastic material

31. Strain energy of a member may be defined as work done on it

32. 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

33. The crippling load for a column with both ends hinged is

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

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

36. *The product EI is called

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

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

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

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

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

42. *The maximum bending moment caused by a moving load on a simply supported beam is

43. The rate of change of shear force is called

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

45. *A member with a cross section of a mm^2 is subjected to a force of P N. It is L mm long and of Young's Modulus, E N/mm^2. The strain will be

46. What is tenacity?

47. *Mathematically, strain may be defined as

48. Rate of change of bending moment is equal to

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

50. "When a rectangular beam is loaded transversely the maximum compressive stress is developed on the :