Mechanics of Materials & Structures Online Test – Paper 3

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

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

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

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

5. If the value of Young's Modulus of elasticity for a material is zero, it implies that the material is

6. The moment of inertia of a square section is given by

7. The impact tests are used to determine

8. *"A simply supported beam of span L carries a uniformly distributed load W. The maximum bending moment, M is:

9. The slenderness ratio of a vertical column of a square section of 2.5 cm sides and an effective length of 1.75 m is

10. A brittle material will

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

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

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

14. *A tie is a member which

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

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

17. A perfectly elastic body is

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

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

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

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

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

23. In a fixed beam, the points of contraflexure,

24. Point of contraflexure is a point where bending moment

25. The ratio of moment of inertia of a square section to that of a circular section for a given depth is given by

26. If the stress produced by a prismatic bar is equal to the working stress, the area of the cross-section of the prismatic bar becomes

27. *Find the maximum bending moment in a simply supported beam loaded with a UDL of 2 t/m having a span of 4m

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

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

30. Buckling load for a given column depends upon

31. *The maximum bending moment caused by a moving load on a simply supported beam is

32. The value of Poisson's ratio always remains

33. The difference in ordinate of the shear force between any two sections is equal to the area under

34. *Load required to produce unit deflection is called

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

36. What is strain energy?

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

38. *A diagram that shows the variation of axial force

39. *Mathematically, strain may be defined as

40. An isotropic material has

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

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

43. *The property of a material by which a body returns to its original shape after removal of the force is called

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

45. The bending moment acting on the plane of an element will cause the following type of stress on the plane

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

47. The slenderness ratio of a vertical column of square cross-section of 10 cm side and 500 cm long is

48. The phenomenon of slow growth of strain under steady tensile stress, i.e., increasing with time, is called

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

50. Shear strain is defined as