Mechanics of Materials & Structures Online Test – Paper 3

1. *Dead load of a member is the

2. *The centre of gravity of a triangle is at the point where three

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

4. A body having similar properties throughout

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

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

7. Find the maximum BM induced in a simply supported beam if the beam is subjected to a point load of 4 KN at the center of the beam and the span of the beam is 4 m

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

9. A viscoelastic material

10. The difference in ordinate of the shear force between any two sections is equal to the area under

11. The number of reaction components at a hinged end of a general loading is

12. If the length of a simply supported beam carrying a concentrated load at the center is doubled, the deflection at the center will become

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

14. *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:

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

16. *The product EI is called

17. *A member which does not regain its original shape after the load producing deformation is removed, is said to be:

18. The radius of gyration of a rectangular section is not proportional to

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

20. A cantilever beam is one which is:

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

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

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

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

25. Shear strain is defined as

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

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

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

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

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

31. For a beam of uniform strength if its depth is maintained constant then its width will vary in proportion to

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

33. *Tensile internal force tends to:

34. The effective length of a column if both ends are hinged

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

36. Which of the following gives Modulus of Rigidity

37. Centrifugal force acts away from the center of the path while centripetal force

38. *The phenomenon of decreased resistance of material due to the reversal of stress is called

39. The maximum bending moment caused on a simply supported beam subjected to two equal concentrated loads (W/2) spaced at an equal distance (L/3) over the span is

40. 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

41. In the case of an H section, the maximum shear stress will occur at

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

43. *The slope of an elastic curve at the point of contraflexture

44. *Strut is a

45. The stress necessary to initiate yielding is considerably

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

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

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

49. In a beam, the neutral plane

50. Centrifugal force acts at a curve