Mechanics of Materials & Structures Online Test – Paper 3

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

2. A beam of uniform strength will have at every cross-section the same

3. *A truss is completely analyzed, when

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

5. The value of Poisson's ratio always remains

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

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

8. Which of the following is a relatively ductile material?

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

10. What is tenacity?

11. According to Hook's law, which one is correct?

12. 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

13. 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

14. *Hooke's law holds good up to:

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

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

17. An orthotropic material has

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

19. *The unit failure stress is taken as :

20. *The compression test is commonly used for testing

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

22. A brittle material has

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

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

25. In the case of an H section, the maximum shear stress will occur at

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

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

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

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

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

31. A member that is subjected to reversible tensile or compressible stress may fail at a stress lower than the ultimate stress of the material. The property of the metal is called

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

33. The limit of proportionality depends upon

34. The moment of inertia of a triangular section b x h about the c-g is

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

36. The stress necessary to initiate yielding is considerably

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

38. *Centre of gravity of a semi-circle is... above the base AB (Dia.)

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

40. The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length is

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

42. 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

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

44. If a constant section is subjected to a uniform/ pure bending moment throughout, its length bends to

45. A perfectly elastic body is

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

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

48. A cantilever beam is the one which is supported with

49. Shear strain is defined as

50. If magnitude and direction of a load does not change with respect to time, this type of load is called