Mechanics of Materials & Structures Online Test – Paper 3

1. At the point of application of concentrated load on a beam, there is

2. Which of the following gives Poisson's ratio?

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

4. The difference between SF values at any two sections will be equal to

5. The rate of change of shear force is called

6. The safe value of stress below which the material will not fail when subjected to a reversal of stress is known as

7. A cantilever beam is one which is:

8. The effective length of a column effectively held in position and restrained in direction at one end will be

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

10. *A beam is said to be loaded in pure bending when

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

12. *The total time of collision and restitution of two bodies is called

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

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

15. *The Young's Modulus of elasticity is defined as the ratio of stress & strain within the

16. The shear force on a beam and the displacement are related by

17. 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

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

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

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

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

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

23. 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)

24. A brittle material will

25. The radius of gyration of a rectangular section is not proportional to

26. Moment of inertia of a rectangular beam bxd is

27. *Which of the following gives Modulus of Elasticity

28. A body having similar properties throughout

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

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

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

32. The relation between deflection (y) and bending moment (M) is

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

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

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

36. *Proof resilience is the greatest stored energy at

37. A perfectly elastic body is

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

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

40. The shear force on a beam is proportional to

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

42. *Tensile internal force tends to:

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

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

45. The value of Poisson's ratio always remains

46. A cantilever beam of span 4m and carrying a point load of 10 kN located at 3m from the fixed end. Find the BM at the fixed and free end

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

48. *The stress at which the extension of a material takes place more quickly as compared to the increase in load is called

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

50. *Normal strain is defined as