Mechanics of Materials & Structures Online Test – Paper 3

1. *Young's modulus is the ratio of

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

3. *In a simply supported beam with span (L) having a triangular load with its intensity 0 at both ends and W at center. The maximum BM will be

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

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

6. *Maximum bending moment occurs where

7. A beam is supported over three rollers lying in the same plane. The beam is stable for

8. Permanent set is

9. The bending moment diagram for a cantilever beam subjected to a moment at the end of the beam would be

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

11. *Thrust is induced in the case of

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

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

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

15. 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

16. *Which of the following sections is the most efficient in carrying bending moments

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

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

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

20. 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:-

21. The stress necessary to initiate yielding is considerably

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

24. The maximum shear stress will always occur at

25. *If a cantilever beam of 8m long has a uniformly distributed load of 2KN/m throughout the length and a 10KN point load at the center of the beam, find the moment at the center:

26. If the value of Young's Modulus of elasticity for a material is zero, it implies that the material is

27. Load carrying capacity of fixed beam is

28. *The magnitude of a shear force at a distance of L/4 from either end of a simply supported beam with load P applied at midspan is equal to:

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

30. *Bending moment diagram of a simply supported beam having a uniformly distributed load is

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

32. The slope of the curve of S.F. diagram at any section will be equal to

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

34. The difference between SF values at any two sections will be equal to

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

36. 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

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

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

39. A simply supported beam of length I carries a load varying uniformly from zero at the left end to the maximum at the right end. The maximum bending moment occurs at a distance of

40. For a column, with both ends fixed, the crippling load will be equal to

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

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

43. A shear force diagram of a simply supported beam shows constant shear force throughout the span. It is subjected to

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

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

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

47. Point of contraflexure is a point where bending moment

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

49. Along the neutral axis of a simply supported beam

50. The zone between the elastic limit and proportional limit on the elastic curve of an elastic material is known as