Mechanics of Materials & Structures Online Test – Paper 3

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

2. *Fatigue is the failure of a material under:

3. The shear force on a beam is proportional to

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

5. *The forces which meet at one point, but their lines of action do not lie in a plane, are called:

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

7. *Which of the following gives Modulus of Elasticity

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

9. *A member with a cross section of a mm^2 is subjected to a force of P N. It is L mm long and of Young's Modulus, E N/mm^2. The strain will be

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

11. *The relation between the radius of curvature (R), bending moment (M), and flexural rigidity (EI) is given by

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

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

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

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

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

17. 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°

18. The shear center may be defined as

19. *Proof resilience is the greatest stored energy at

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

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

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

23. *Thrust is induced in the case of

24. Moment of inertia of a rectangular beam bxd is

25. 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)

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

27. 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

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

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

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

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

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

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

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

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

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

37. The bending moment in a cable carrying a system of loads will be

38. "When a rectangular beam is loaded transversely the maximum compressive stress is developed on the :

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

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

41. The maximum shear stress will always occur at

42. *Young's modulus is the ratio of

43. Point of contraflexure is a point where bending moment

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

45. *As the elastic limit reaches, tensile strain

46. *The unit failure stress is taken as :

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

48. *When the equal and opposite forces are applied to a body, tending to elongate it, then the stress produced is called

49. 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

50. Which of the following gives Modulus of Rigidity