Mechanics of Materials & Structures Online Test – Paper 3

1. 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

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

3. Find the bending moment at the center and also find the maximum bending moment

4. The maximum deflection of a beam occurs at

5. Find the maximum BM induced in a simply supported 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

6. *Dead load of a member is the

7. If the length of a simply supported beam carrying a concentrated load at the center is doubled, the deflection at the center will become

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

9. *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:

10. The moment of inertia of a square section is given by

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

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

13. A brittle material will

14. *Stress may be defined as force

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

16. In a beam where shear force is maximum, the bending moment will be

17. A viscoelastic material

18. Find the value of thrust, if the member (beam) is subjected to an inclined force having a magnitude of 5 kN and an inclination with the vertical of 30°

19. 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)

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

21. The strain energy stored by a member when strained within the elastic limit is known as

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

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

24. An isotropic material has

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

26. The shear force on a beam is proportional to

27. *The magnitude of a shear force at a distance of L/4 from either end of a simply supported beam with load P applied at midspan is equal to:

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

29. *Toughness is

30. *The unit failure stress is taken as :

31. *The shear force and bending moment are related by

32. The value of Poisson's ratio always remains

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

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

35. Centrifugal force acts at a curve

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

37. The rate of change of shear force is called

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

39. 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

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

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

42. The property of material by which it can be drawn, due to tension, to a smaller section, is called

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

44. The variation of the bending moment in the segment of a beam where no external load is present is

45. *Thrust is induced in the case of

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

47. *Tensile internal force tends to:

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

49. Longitudinal cracks observed in timber beams are due to

50. *The maximum deflection of a simply supported beam subjected to a concentrated load (W) at the midpoint is