Mechanics of Materials & Structures Online Test – Paper 3

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

2. The impact tests are used to determine

3. In a beam, the neutral plane

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

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

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

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

8. In a continuous beam, the point where bending moment changes sign is called

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

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

11. The algebraic sum of the shear flow of a section in any direction must be equal to

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

13. What is tenacity?

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

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

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

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

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

19. The stress due to temperature change in a member depends on

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

21. The brittle materials have low toughness because they

22. *Strut is a

23. The maximum shear stress will always occur at

24. The equivalent length of column fixed at one end and free at the other end is

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

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

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

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

29. *The ratio of the intensity of stress in a case of a suddenly loaded to that of gradually applied load is

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

31. Which of the following gives Modulus of Rigidity

32. Point of contraflexure is a point where bending moment

33. *The maximum BM produced in a simply supported beam having a span of 4 m and subjected to a UDL of 10 kN/m

34. *Young's modulus is the ratio of

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

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

37. The maximum deflection in a cantilever beam carrying a concentrated load 'w' at the free end is (Where L is span of bean, W is total load and EI is flexural rigidity)

38. *Centrifugal force is given by

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

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

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

42. *As the elastic limit reaches, tensile strain

43. *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

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

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

46. The value of Poisson's ratio always remains

47. In a fixed beam, the points of contraflexure,

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

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

50. The expression EI(d^4y/dx^4) at any section for a beam is equal to