Mechanics of Materials & Structures Online Test – Paper 3

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

2. *The Young's Modulus of elasticity is defined as the ratio of stress & strain within the

3. In an I section, almost all the shear force is taken by

4. The point of contraflexure occurs in a beam

5. *Which of the following gives Bulk Modulus?

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

7. The maximum deflection of a beam occurs at

8. Which of the following end conditions permits the displacement in any direction and also rotation

9. Buckling load for a given column depends upon

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

11. Find the maximum BM 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:-

12. *A diagram that shows the variation of axial force

13. *Load required to produce unit deflection is called

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

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

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

17. A cantilever beam is one which is:

18. The maximum deflection in a cantilever beam carrying a uniformly distributed load (w) over spans is (Where L is span of beam, W is total load and EI is flexural rigidity)

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

20. The property of material by which it can be beaten or rolled into plates is called

21. Rate of change of bending moment is equal to

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

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

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

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

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

27. The crippling load for a column with both ends hinged is

28. Find the elongation of a bar if c/s area of the bar is A, length 1, applied load p, modulus of elasticity of material is E

29. A beam fixed at both ends with a central load W in the middle will have zero bending moment

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

31. 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

32. Point of contraflexure is a point where bending moment

33. Bending moment diagram of simply supported beam with a point load at the centre of the span is

34. *A cable subjected to U.D.L. over its entire span assumes a shape of

35. Which of the following materials will have the highest Young's Modulus?

36. The value of Poisson's ratio always remains

37. *Mathematically, strain may be defined as

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

39. *BM in a cantilever beam having a span of 1.8m and a uniformly distributed load of 4kg/m

40. *The variation of the bending moment in the segment of a beam where the load is uniformly distributed is

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

42. *Short column taking maximum load having equal section

43. *The product EI is called

44. In the case of a simply supported beam subjected to UDL, the maximum shear force occurs at a point

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

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

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

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

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

50. *The velocity of a moving body is: