Mechanics of Materials & Structures Online Test – Paper 3

1. 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

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

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

4. *The simple bending equation is

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

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

7. *The compression test is commonly used for testing

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

9. The moment of inertia of an area will be least with respect to

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

11. The property of material by which it can be drawn, due to tension, to a smaller section, is called

12. *The velocity of a moving body is:

13. Find the bending moment at the center and also find the maximum bending moment

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

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

16. For keeping the stress wholly permissible, the load may be applied to a circular column anywhere within a concentric circle of diameter

17. 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

18. *Dead load of a member is the

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

20. 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

21. *"A simply supported beam of span L carries a uniformly distributed load W. The maximum bending moment, M is:

22. The number of reaction components at a hinge on rollers support is

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

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

25. The phenomenon of slow growth of strain under steady tensile stress, i.e., increasing with time, is called

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

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

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

29. *When the equal and opposite forces are applied to a body, tending to elongate it, then the stress produced is called

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

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

32. If a material has identical properties in all directions, it is said to be

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

34. A brittle material has

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

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

37. Longitudinal cracks observed in timber beams are due to

38. *Strut is a

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

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

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

42. Along the neutral axis of a simply supported beam

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

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

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

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

47. Moment of inertia of a rectangular beam bxd is

48. The expression EI(d^4y/dx^4) at any section for a beam is equal to

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

50. Which of the following gives Modulus of Rigidity