Mechanics of Materials & Structures Online Test – Paper 3

1. Shear force diagram for a cantilever carrying a UDL over its whole length is

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

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

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

5. 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°

6. *The inclined member carrying compressive load in the case of frames and trusses is

7. *The ratio of change in volume to the original volume is called:

8. The maximum bending moment in a simply supported beam loaded with a UDL of w/m having span l is

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

10. The method of increasing fatigue resistance by overstressing the metal by successively increasing the loading is known as

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

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

13. 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

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

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

16. The square root of the ratio of moment of inertia and cross-section area of the member is known as

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

18. What is tenacity?

19. An isotropic material has

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

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

22. The number of points of contraflexture in a simply supported beam carrying udl is

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

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

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

26. *The unit failure stress is taken as :

27. The crippling load for column of length 1, with one end fixed and the other end free is

28. The shear force on a beam is proportional to

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

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

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

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

33. The section modulus of a rectangular section is proportional to

34. *Thrust is induced in the case of

35. Find the slenderness ratio of the column of M.I. = 10000cm4, Area =100cm^2 & effective length =3.0m

36. 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)

37. *Dead load of a member is the

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

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

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

41. If y is the deflection of the beam, then shear force is

42. The diagram showing the variation of axial load along the span is called

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

44. The maximum bending moment caused on a simply supported beam subjected to two equal concentrated loads (W/2) spaced at an equal distance (L/3) over the span is

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

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

47. Permanent set is

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

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

50. 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