Mechanics of Materials & Structures Online Test – Paper 3

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

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

3. A cantilever beam is one which is:

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

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

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

7. For a column, with both ends fixed, the crippling load will be equal to

8. 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

9. *A tie is a member which

10. Rate of change of bending moment is equal to

11. *Proof resilience is the greatest stored energy at

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

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

14. *A truss is completely analyzed, when

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

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

17. If α is the coefficient of linear expansion, T is the rise in temperature, then thermal stress is given by

18. The number of reaction components at a hinge on rollers support is

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

20. *The variation of the bending moment in the segment of a beam where the load is uniformly distributed is

21. 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

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

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

24. Point of contraflexure is a point where bending moment

25. 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

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

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

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

29. *Short column taking maximum load having equal section

30. Moment of inertia of a rectangular beam bxd is

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

32. What is strain energy?

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

34. *Centre of gravity of a semi-circle is... above the base AB (Dia.)

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

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

37. *In a simply supported beam with span (L) having a triangular load with its intensity 0 at both ends and W at center. The maximum BM will be

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

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

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

41. *Maximum bending moment occurs where

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

43. *Young's modulus is the ratio of

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

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

46. *Which of the following gives Modulus of Elasticity

47. Strain energy of a member may be defined as work done on it

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

49. A viscoelastic material

50. The moment of inertia of a rectangular (Bx D) section about its base is