Mechanics of Materials & Structures Online Test – Paper 3

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

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

3. 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

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

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

6. *Thrust is induced in the case of

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

8. A viscoelastic material

9. *A beam is said to be of uniform strength if

10. The value of Poisson's ratio always remains

11. A beam of uniform strength will have at every cross-section the same

12. *Which of the following is dimensionless?

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

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

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

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

17. Which of the following gives Modulus of Rigidity

18. *The slope of an elastic curve at the point of contraflexture

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

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

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

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

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

24. Find the maximum SF induced in a cantilever beam subjected to a point load of 10 KN and a length of the beam is 10 m. The load is located at a distance of 3 m from the free end

25. *The forces which meet at one point, but their lines of action do not lie in a plane, are called:

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

27. The moment of inertia of a rectangular (Bx D) section about its base is

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

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

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

31. The safe value of stress below which the material will not fail when subjected to a reversal of stress is known as

32. If the elasticity of the material is zero then the material is said to be

33. The variation of the bending moment in the portion of the beam carrying a linearly varying load is

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

35. *Normal strain is defined as

36. 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°

37. *The shear flow in a section can be defined as

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

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

40. *Proof resilience is the greatest stored energy at

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

42. Point of contraflexure is a point where bending moment

43. What is tenacity?

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

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

46. Permanent set is

47. The effective length of a column if both ends are hinged

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

49. *Maximum bending moment occurs where

50. *Load required to produce unit deflection is called