Mechanics of Materials & Structures Online Test – Paper 3

1. *Centrifugal force is given by

2. Euler's formula for a column of length 1, with one end fixed and other hinged is

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

4. If y is the deflection of the beam, then shear force is

5. *Stress in a beam due to simple bending is

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

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

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

9. Identify the correct relationship that exists among the modulus of elasticity (E), modulus of rigidity (N), and bulk modulus (k) is

10. 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

11. In a continuous beam, the point where bending moment changes sign is called

12. Permanent set is

13. The limit of proportionality depends upon

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

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

16. Moment of inertia of a rectangular beam bxd is

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

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

19. 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

20. The crippling load for column of length 1, with one end fixed and the other end free is

21. *Thrust is induced in the case of

22. If a cantilever beam carries a uniformly distributed load over its entire length, then the shape of the shear force diagram and bending moment diagram respectively are

23. 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

24. *Load required to produce unit deflection is called

25. A cantilever beam is one which is:

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

27. The brittle materials have low toughness because they

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

29. 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

30. *Maximum bending moment occurs where

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

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

33. The c.g. of a semi-circular arc is

34. Which of the following gives Poisson's ratio?

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

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

37. *Determinate beam can be analyzed with the help of

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

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

40. The variation of the bending moment in the segment of a beam where no external load is present is

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

42. *Dead load of a member is the

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

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

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

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

47. "When a rectangular beam is loaded transversely the maximum compressive stress is developed on the :

48. *A simply supported beam as shown in the fig. carries 10 t of load. What will be the reaction at point B ?

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

50. *The stress at which the extension of a material takes place more quickly as compared to the increase in load is called