Mechanics of Materials & Structures Online Test – Paper 3

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

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

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

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

5. The value of Poisson's ratio always remains

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

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

8. *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

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

10. *Which of the following gives Modulus of Elasticity

11. 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

12. *Thrust is induced in the case of

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

14. In the case of a simply supported beam subjected to UDL, the maximum shear force occurs at a point

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

16. 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

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

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

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

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

21. 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

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

23. An orthotropic material has

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

25. The ratio of the effective length of a column and the minimum radius of gyration of its cross-sectional area is known as

26. Shape of the bending moment diagram for a simply supported beam having a point load at the center is

27. *Find the maximum bending moment in a simply supported beam loaded with a UDL of 2 t/m having a span of 4m

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

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

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

31. 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

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

33. A viscoelastic material

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

35. *Load required to produce unit deflection is called

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

37. *The bending moment at a section tends to bend or deflect the beam and internal stresses resist its bending. The resistance offered by the internal stress to the bending, is called:

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

39. Centrifugal force acts at a curve

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

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

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

43. *The product EI is called

44. The slenderness ratio of a vertical column of a square section of 2.5 cm sides and an effective length of 1.75 m is

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

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

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

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

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

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