Mechanics of Materials & Structures Online Test – Paper 3

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

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

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

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

5. A long vertical member subjected to an axial compressive load is called

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

7. 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)

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

9. *The relation between the radius of curvature (R), bending moment (M), and flexural rigidity (EI) is given by

10. *Dead load of a member is the

11. The shear force on a beam is proportional to

12. *A beam is said to be of uniform strength if

13. The rate of change of shear force is called

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

15. A viscoelastic material

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

17. *The tension in a cable supporting a lift

18. *If a cantilever beam of 8m long has a uniformly distributed load of 2KN/m throughout the length and a 10KN point load at the center of the beam, find the moment at the center:

19. *Tensile internal force tends to:

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

21. Which of the following is a relatively ductile material?

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

23. *The shear force and bending moment are related by

24. Find the maximum BM induced in a simply supported 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

25. The crippling load for column of length 1, with one end fixed and the other end free is

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

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

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

29. The moment of inertia of a triangular section b x h about the c-g is

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

31. *The bending moment at a section tends to bend or deflect the beam and internal stresses resist its bending. The resistance offered by the internal stress to the bending, is called:

32. *Thrust is induced in the case of

33. The bending moment in a cable carrying a system of loads will be

34. *A truss is completely analyzed, when

35. *Maximum bending moment occurs where

36. 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

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

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

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

40. The number of points of contraflexture in a simply supported beam carrying udl is

41. A column that fails primarily due to direct stress is called

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

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

44. Moment of inertia of a rectangular beam bxd is

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

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

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

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

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

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