Mechanics of Materials & Structures Online Test – Paper 3

1. The value of buckling load is ... than the crushing load in the case of a long column

2. *The velocity of a moving body is:

3. If the elasticity of the material is zero then the material is said to be

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

5. *Mathematically, strain may be defined as

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

7. Find the maximum SF induced in S.S 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

8. Permanent set is

9. The brittle materials have low toughness because they

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

11. *Stress in a beam due to simple bending is

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

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

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

15. What is tenacity?

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

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

18. *Maximum deflection of a simply supported beam subjected to concentrated load (w) at the mid-point is

19. *A truss is completely analyzed, when

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

21. *The ratio of the largest load in a test to the original cross-sectional area of the piece is called:

22. For a column of given material, the Rankine's constant depends on

23. Strain energy of a member may be defined as work done on it

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

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

26. *A beam is said to be of uniform strength if

27. *The ratio of change in volume to the original volume is called:

28. The section modulus of a rectangular section is proportional to

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

30. 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)

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

32. *"If a rod is simultaneously pulled at both of its ends, it will be a case of:

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

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

35. The maximum deflection of a beam occurs at

36. The maximum bending moment caused on a simply supported beam subjected to two equal concentrated loads (W/2) spaced at an equal distance (L/3) over the span is

37. In a simply supported beam with span, L subjected to a point load, W at the center. Find the maximum bending moment induced in the beam

38. A simply supported beam of length I carries a load varying uniformly from zero at the left end to the maximum at the right end. The maximum bending moment occurs at a distance of

39. Point of contraflexure is a point where bending moment

40. *Determinate beam can be analyzed with the help of

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

42. *The tension in a cable supporting a lift

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

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

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

46. *The critical bending moment caused in a fixed end beam loaded with a uniformly distributed load (W = wL) throughout is

47. The stress necessary to initiate yielding is considerably

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

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

50. *The amount of shear force at the maximum bending moment