Mechanics of Materials & Structures Online Test – Paper 3

1. Along the neutral axis of a simply supported beam

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

3. The maximum shear stress will always occur at

4. The value of buckling load is ... than the crushing load in the case of a long column

5. The shear center may be defined as

6. Find the elongation of a bar if c/s area of the bar is A, length 1, applied load p, modulus of elasticity of material is E

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

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

9. *Young's modulus is the ratio of

10. *In a simply supported beam subjected to a point load at the center, the maximum bending moment occurs at

11. The diagram showing the variation of BM along the span of the beam is called

12. Longitudinal cracks observed in timber beams are due to

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

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

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

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

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

18. *Load required to produce unit deflection is called

19. A beam fixed at both ends with a central load W in the middle will have zero bending moment

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

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

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

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

24. *The product EI is called

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

26. The maximum deflection of a simply supported beam subjected to a uniformly distributed load (w) over the span is

27. 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

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

29. The maximum deflection of a beam occurs at

30. *Which of the following gives Bulk Modulus?

31. In a beam, the neutral plane

32. *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

33. 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

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

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

36. *Strut is a

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

38. A simply supported beam of length I carries a load varying uniformly from zero at the left end to the maximum at the right end. The maximum bending moment occurs at a distance of

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

40. *The shear force in a concrete beam is assumed to act

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

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

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

44. Centrifugal force acts away from the center of the path while centripetal force

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

46. *The simple bending equation is

47. *The rate of change of shear force is called

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

49. *The magnitude of a shear force at a distance of L/4 from either end of a simply supported beam with load P applied at midspan is equal to:

50. *A truss is completely analyzed, when