Mechanics of Materials & Structures Online Test – Paper 3

1. The effective length of a column effectively held in position and restrained in direction at one end will be

2. A Prismatic bar when subjected to pure bending assumes the shape of

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

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

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

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

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

8. *The maximum bending moment in a simply supported beam UDL is applied

9. The maximum bending moment caused by a moment M applied at a distance 'a' from one end on a simply supported beam is.... (where L=span, a>L/2)

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

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

12. *If a beam is loaded transversely, the maximum compressive stress develops on

13. Centrifugal force acts at a curve

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

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

16. In a beam, the neutral plane

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

18. Rate of change of bending moment is equal to

19. *Proof resilience is the greatest stored energy at

20. An orthotropic material has

21. The maximum bending moment caused by a large number of equally spaced identical loads on a simply supported beam is (W = wL)

22. *The shear force and bending moment are related by

23. The slenderness ratio of a vertical column of square cross-section of 10 cm side and 500 cm long is

24. *Tensile internal force tends to:

25. The reaction at end A of the beam shown is

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

27. *The total time of collision and restitution of two bodies is called

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

29. The slope of the curve of B.M. diagram at any section will be equal to

30. Permanent set is

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

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

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

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

35. The strain energy stored by a member when strained within the elastic limit is known as

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

37. For a column of given material, the Rankine's constant depends on

38. *Strut is a

39. *The tension in a cable supporting a lift

40. The limit of proportionality depends upon

41. Which of the following gives Modulus of Rigidity

42. *The velocity of a moving body is:

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

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

45. 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°

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

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

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

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

50. *Compression members always tend to buckle in the direction of the