Mechanics of Materials & Structures Online Test – Paper 3

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

2. 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

3. *"If a rod is simultaneously pulled at both of its ends, it will be a case of:

4. *The critical bending moment caused in a fixed end beam loaded with a uniformly distributed load (W = wL) throughout is

5. *The tension in a cable supporting a lift

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

7. The rate of change of shear force is called

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

9. Find the maximum BM induced in a cantilever beam subjected to a point load of 10 KN and a length of the beam is 10 m. The load is located at a distance of 3 m from the free end:-

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

11. A perfectly elastic body is

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

13. The beam strongest in flexure will have the maximum

14. Buckling load for a given column depends upon

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

16. *The ratio of change in volume to the original volume is called:

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

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

19. *The compression test is commonly used for testing

20. 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

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

22. A beam simply supported at ends is subjected to load. The maximum bending moment is located where

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

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

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

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

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

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

29. *Short column taking maximum load having equal section

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

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

32. *Toughness is

33. Shape of the bending moment diagram for a simply supported beam having a point load at the center is

34. A cantilever beam is one which is:

35. Normally, the numerical value of Poisson's is

36. *As per the elastic theory of design, the factor of safety is the ratio of

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

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

39. *"A simply supported beam of span L carries a uniformly distributed load W. The maximum bending moment, M is:

40. *A simply supported beam as shown in the fig. carries 10 t of load. What will be the reaction at point B ?

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

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

43. If the stress produced by a prismatic bar is equal to the working stress, the area of the cross-section of the prismatic bar becomes

44. The value of Poisson's ratio always remains

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

46. The ratio of moment of inertia of a square section to that of a circular section for a given depth is given by

47. *In the case of a fixed beam loaded at a point at its center, the number of points at which BM is zero

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

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

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