Mechanics of Materials & Structures Online Test – Paper 3

1. The actual breaking stress of a ductile material from a tension test will be

2. 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:-

3. *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:

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

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

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

7. A perfectly elastic body is

8. 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

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

10. The ratio of the effective length of a column and the minimum radius of gyration of its cross-sectional area is known as

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

12. Euler's formula for a column of length 1, with one end fixed and other hinged is

13. The shear force on a beam is proportional to

14. If the Poisson's ratio of a material is 0.25, the ratio of Modulus of Rigidity to the Young's Modulus is

15. Identify the correct relationship that exists among the modulus of elasticity (E), modulus of rigidity (N), and bulk modulus (k) is

16. A section of a beam is said to be in pure bending if it is subjected to

17. Find the maximum SF induced in S.S 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

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

19. The rate of change of shear force is called

20. In simple bending theory, the assumption that a plane section before bending remains plane after bending implies that

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

22. Centrifugal force acts at a curve

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

24. The point of contraflexure occurs in a beam

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

26. *The law "Stress is proportional to strain within certain limits" is formulated by

27. A cantilever beam is one which is:

28. The maximum bending moment caused by a moment M applied at a distance 'a' from one end on a simply supported beam is.... (where L=span, a>L/2)

29. For a beam of uniform strength if its depth is maintained constant then its width will vary in proportion to

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

31. *The bending moment at a section tends to bend or deflect the beam and internal stresses resist its bending. The resistance offered by the internal stress to the bending, is called:

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

33. A viscoelastic material

34. *The tension in a cable supporting a lift

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

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

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

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

39. 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

40. *Which of the following gives Modulus of Elasticity

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

42. An isotropic material has

43. *Dead load of a member is the

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

45. The shear center in the case of a T-beam section is

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

47. The reaction at end A of the beam shown is

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

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

50. How does Young's Modulus vary with an increase in temperature?