Mechanics of Materials & Structures Online Test – Paper 3

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

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

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

4. *The product EI is called

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

6. Buckling load for a given column depends upon

7. The slope of the curve of S.F. diagram at any section will be equal to

8. *Which of the following is dimensionless?

9. The effective length of a column if both ends are hinged

10. *Mathematically, strain may be defined as

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

12. *The centre of gravity of a triangle is at the point where three

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

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

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

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

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

18. *The simple bending equation is

19. *The compression test is commonly used for testing

20. *As the elastic limit reaches, tensile strain

21. Moment of inertia of a rectangular beam bxd is

22. Load carrying capacity of fixed beam is

23. Which one is correct if the deflection of a beam is y

24. What is strain energy?

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

26. Rate of change of bending moment is equal to

27. A viscoelastic material

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

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

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

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

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

33. Find the elongation of a bar if c/s area of the bar is A, length 1, applied load p, modulus of elasticity of material is E

34. A brittle material will

35. The crippling load for column of length 1, with one end fixed and the other end free is

36. The limit of proportionality depends upon

37. The maximum deflection in a cantilever beam carrying a uniformly distributed load (w) over spans is (Where L is span of beam, W is total load and EI is flexural rigidity)

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

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

40. *The unit failure stress is taken as :

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

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

43. *Normal strain is defined as

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

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

46. 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)

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

48. *Thrust is induced in the case of

49. Shear strain is defined as

50. 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