Mechanics of Materials & Structures Online Test – Paper 3

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

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

3. Permanent set is

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

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

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

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

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

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

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

11. A brittle material has

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

13. If all the dimensions of a bar are increased in the proportion n:1, the proportion with which the maximum stress produced in the prismatic bar by its own weight will increase in the ratio

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

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

16. The zone between the elastic limit and proportional limit on the elastic curve of an elastic material is known as

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

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

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

20. *As the elastic limit reaches, tensile strain

21. The moment of inertia of a square section is given by

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

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

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

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

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

27. *Mathematically, strain may be defined as

28. Which of the following end conditions permits the displacement in any direction and also rotation

29. In a simply supported beam with span, L subjected to a point load, W at the center. Find the maximum bending moment induced in the beam

30. *The rate of change of shear force is called

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

32. 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

33. If a material has identical properties in all directions, it is said to be

34. What is tenacity?

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

36. *Proof resilience is the greatest stored energy at

37. *The unit failure stress is taken as :

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

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

40. The maximum deflection in a cantilever beam carrying a uniformly distributed load (w) over spans is (Where L is span of beam, W is total load and EI is flexural rigidity)

41. The stress due to temperature change in a member depends on

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

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

44. Find the maximum SF 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

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

46. An orthotropic material has

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

48. A body having similar properties throughout

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

50. The ratio of the effective length of a column and the minimum radius of gyration of its cross-sectional area is known as