Mechanics of Materials & Structures Online Test – Paper 3

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

2. *The shear force in a concrete beam is assumed to act

3. 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

4. *As the elastic limit reaches, tensile strain

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

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

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

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

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

10. A brittle material has

11. What is tenacity?

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

13. The ratio of moment of inertia of a square section to that of a circular section for a given depth is given by

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

15. *Compression members always tend to buckle in the direction of the

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

17. *The simple bending equation is

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

19. The impact tests are used to determine

20. The property of material by which it can be beaten or rolled into plates is called

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

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

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

24. *Bending moment diagram of a simply supported beam having a uniformly distributed load is

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

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

27. *Dead load of a member is the

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

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

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

31. Buckling load for a given column depends upon

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

33. For a beam of uniform strength if its depth is maintained constant then its width will vary in proportion to

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

35. The number of reaction components at a hinge on rollers support is

36. The reaction at end A of the beam shown is

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

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

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

40. The moment of inertia of a triangular section b x h about the base is

41. The maximum bending moment caused by a large number of equally spaced identical loads on a simply supported beam is (W = wL)

42. The beam strongest in flexure will have the maximum

43. 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

44. *Load required to produce unit deflection is called

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

46. The shear center may be defined as

47. *As per the elastic theory of design, the factor of safety is the ratio of

48. Moment of inertia of a rectangular beam bxd is

49. *Strut is a

50. *Centrifugal force is given by