Mechanics of Materials & Structures Online Test – Paper 3

1. A Prismatic bar when subjected to pure bending assumes the shape of

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

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

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

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

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

7. A cantilever beam is the one which is supported with

8. Rate of change of bending moment is equal to

9. The moment of inertia of an area will be least with respect to

10. *Maximum bending moment occurs where

11. 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:-

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

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

14. The brittle materials have low toughness because they

15. *Tensile internal force tends to:

16. The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length is

17. *Dead load of a member is the

18. 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

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

20. *The law which states that within elastic limits strain produced is proportional to stress producing it is known as:

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

22. The value of buckling load is ... than the crushing load in the case of a long column

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

24. What is tenacity?

25. *The product EI is called

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

27. *A cable subjected to U.D.L. over its entire span assumes a shape of

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

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

30. In the case of a simply supported beam subjected to UDL, the maximum shear force occurs at a point

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

32. Find the elongation of a bar if c/s area of the bar is A, length 1, applied load p, modulus of elasticity of material is E

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

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

35. *The forces which meet at one point, but their lines of action do not lie in a plane, are called:

36. Permanent set is

37. *If a beam is loaded transversely, the maximum compressive stress develops on

38. The difference between BM values at any two sections will be equal to

39. 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

40. *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:

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

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

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

44. The effective length of a column effectively held in position and restrained in direction at one end will be

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

46. The expression EI(d^4y/dx^4) at any section for a beam is equal to

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

48. A cantilever beam is one which is:

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

50. In an I section, almost all the shear force is taken by