Mechanics of Materials & Structures Online Test – Paper 3

1. In a beam where shear force is maximum, the bending moment will be

2. The method of increasing fatigue resistance by overstressing the metal by successively increasing the loading is known as

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

4. *The centre of gravity of a triangle is at the point where three

5. If the length of a simply supported beam carrying a concentrated load at the center is doubled, the deflection at the center will become

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

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

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

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

10. Point of contraflexure is a point where bending moment

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

12. *A truss is completely analyzed, when

13. 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

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

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

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

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

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

19. 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

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

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

22. The shear center may be defined as

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

24. 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

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

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

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

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

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

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

31. *Which of the following gives Bulk Modulus?

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

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

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

35. The brittle materials have low toughness because they

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

37. *The compression test is commonly used for testing

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

39. Longitudinal cracks observed in timber beams are due to

40. *Thrust is induced in the case of

41. Shear force diagram for a cantilever carrying a UDL over its whole length is

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

43. If a constant section is subjected to a uniform/ pure bending moment throughout, its length bends to

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

45. *Which of the following sections is the most efficient in carrying bending moments

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

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

48. *Mathematically, strain may be defined as

49. *A member with a cross section of a mm^2 is subjected to a force of P N. It is L mm long and of Young's Modulus, E N/mm^2. The strain will be

50. In rectangular column having cross section b X h, the core is