Mechanics of Materials & Structures Online Test – Paper 3

1. *Load required to produce unit deflection is called

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

3. *Which of the following gives Modulus of Elasticity

4. The algebraic sum of the shear flow of a section in any direction must be equal to

5. *The simple bending equation is

6. Load carrying capacity of fixed beam is

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

8. *The velocity of a moving body is:

9. 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)

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

11. The shear center may be defined as

12. Point of contraflexure is a point where bending moment

13. The square root of the ratio of moment of inertia and cross-section area of the member is known as

14. *The ratio of the intensity of stress in a case of a suddenly loaded to that of gradually applied load is

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

16. The maximum bending moment caused by a large number of equally spaced identical loads on a simply supported beam is (W = wL)

17. 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

18. *Short column taking maximum load having equal section

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

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

21. A body having similar properties throughout

22. For keeping the stress wholly permissible, the load may be applied to a circular column anywhere within a concentric circle of diameter

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

24. *The product EI is called

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

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

27. Effective length of column fixed at one end and hinged at the other end is

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

29. Along the neutral axis of a simply supported beam

30. The shear force on a beam is proportional to

31. *Hooke's law holds good up to:

32. *Tensile internal force tends to:

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

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

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

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

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

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

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

40. The reaction at end A of the beam shown is

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

42. *The maximum BM produced in a simply supported beam having a span of 4 m and subjected to a UDL of 10 kN/m

43. *Which of the following is dimensionless?

44. The bending moment diagram for a cantilever beam subjected to a moment at the end of the beam would be

45. Moment of inertia of a rectangular beam bxd is

46. A beam is supported over three rollers lying in the same plane. The beam is stable for

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

48. *The unit failure stress is taken as :

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

50. In simple bending theory, the assumption that a plane section before bending remains plane after bending implies that