Mechanics of Materials & Structures Online Test – Paper 3

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

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

3. *A truss is completely analyzed, when

4. 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

5. 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

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

7. A brittle material has

8. *Centrifugal force is given by

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

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

11. *The unit failure stress is taken as :

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

13. Shear strain is defined as

14. *Proof resilience is the greatest stored energy at

15. *Tensile internal force tends to:

16. *The velocity of a moving body is:

17. What is strain energy?

18. The section modulus of a circular section about an axis through its C.G. is

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

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

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

22. *Strut is a

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

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

25. *Which of the following gives Bulk Modulus?

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

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

28. If the Poisson's ratio of a material is 0.25, the ratio of Modulus of Rigidity to the Young's Modulus is

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

30. The maximum deflection of a beam occurs at

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

32. *The compression test is commonly used for testing

33. 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

34. The rate of change of shear force is called

35. If all the dimensions of a bar are increased in the proportion n:1, the proportion with which the maximum stress produced in the prismatic bar by its own weight will increase in the ratio

36. Permanent set is

37. A viscoelastic material

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

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

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

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

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

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

44. *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

45. *Young's modulus is the ratio of

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

47. The region of c/s of a column in which compressive load may be applied without producing tensile load is known as

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

49. Maximum bending moment occurs at the center if the simply supported beam is subjected to

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