Mechanics of Materials & Structures Online Test – Paper 3

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

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

3. The shear force on a beam and the displacement are related by

4. *The maximum bending moment in a simply supported beam UDL is applied

5. *Moment of inertia of an object having rectangular section of 'b' as width and 'd' as depth is given by:

6. The value of Poisson's ratio always remains

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

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

9. *Which of the following gives Modulus of Elasticity

10. *Toughness is

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

12. If a cantilever beam carries a uniformly distributed load over its entire length, then the shape of the shear force diagram and bending moment diagram respectively are

13. A simply supported beam of length I carries a load varying uniformly from zero at the left end to the maximum at the right end. The maximum bending moment occurs at a distance of

14. *Young's modulus is the ratio of

15. The strain energy stored by a member when strained within the elastic limit is known as

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

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

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

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

20. An isotropic material has

21. Longitudinal cracks observed in timber beams are due to

22. *The magnitude of a shear force at a distance of L/4 from either end of a simply supported beam with load P applied at midspan is equal to:

23. *Centrifugal force is given by

24. A perfectly elastic body is

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

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

27. Find the maximum SF induced in S.S 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

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

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

30. Buckling load for a given column depends upon

31. The maximum shear stress will always occur at

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

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

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

35. *Mathematically, strain may be defined as

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

37. *Stress may be defined as force

38. *A truss is completely analyzed, when

39. An orthotropic material has

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

41. Along the neutral axis of a simply supported beam

42. *The compression test is commonly used for testing

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

44. What is tenacity?

45. The difference between SF values at any two sections will be equal to

46. *Stress in a beam due to simple bending is

47. The stress in the member subjected to a force is

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

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

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