Mechanics of Materials & Structures Online Test – Paper 3

1. A beam simply supported at ends is subjected to load. The maximum bending moment is located where

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

3. The maximum deflection of a beam occurs at

4. In a beam, the neutral plane

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

6. A brittle material will

7. Along the neutral axis of a simply supported beam

8. The value of Poisson's ratio always remains

9. The slope of the curve of S.F. diagram at any section will be equal to

10. Load carrying capacity of fixed beam is

11. A cantilever beam is one which is:

12. *The compression test is commonly used for testing

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

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

15. *If the shear force along a section of a beam is zero, the bending moment at the section is:

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

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

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

19. The maximum shear stress will always occur at

20. The shear force on a beam is proportional to

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

22. Permanent set is

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

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

25. *A truss is completely analyzed, when

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

27. *Thrust is induced in the case of

28. The maximum bending moment caused by a moving load on a fixed-end beam occurs

29. The beam strongest in flexure will have the maximum

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

31. Find the slenderness ratio of the column of M.I. = 10000cm4, Area =100cm^2 & effective length =3.0m

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

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

34. The moment of inertia of a triangular section b x h about the base is

35. An orthotropic material has

36. Centrifugal force acts at a curve

37. *Which of the following gives Modulus of Elasticity

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

39. *The phenomenon of decreased resistance of material due to the reversal of stress is called

40. The maximum bending moment caused on a simply supported beam subjected to two equal concentrated loads (W/2) spaced at an equal distance (L/3) over the span is

41. Find the value of thrust, if the member (beam) is subjected to an inclined force having a magnitude of 5 kN and an inclination with the vertical of 30°

42. A brittle material has

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

44. *Centrifugal force is given by

45. 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

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

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

48. *A point where SF is zero, BM is

49. *A member which does not regain its original shape after the load producing deformation is removed, is said to be:

50. 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