Mechanics of Materials & Structures Online Test – Paper 3

1. *Short column taking maximum load having equal section

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

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

4. *Moment of inertia of an object having rectangular section of 'b' as width and 'd' as depth is given by:

5. The limit of proportionality depends upon

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

7. *Maximum bending moment occurs where

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

9. Permanent set is

10. 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

11. 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

12. A column that fails primarily due to buckling is known as

13. *"A simply supported beam of span L carries a uniformly distributed load W. The maximum bending moment, M is:

14. The beam strongest in flexure will have the maximum

15. The relation between deflection (y) and bending moment (M) is

16. If a material has identical properties in all directions, it is said to be

17. The moment of inertia of an area will be least with respect to

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

19. The shear center may be defined as

20. In an I section, almost all the shear force is taken by

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

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

23. Centrifugal force acts at a curve

24. If a cantilever beam carries a uniformly distributed load over its entire length, then the shape of the shear force diagram and bending moment diagram respectively are

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

26. *Centrifugal force is given by

27. *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

28. *The maximum bending moment caused by a moving load on a simply supported beam is

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

30. *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:

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

32. *The S.I. unit of the modulus of elasticity is

33. The c.g. of a semi-circular arc is

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

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

36. *The forces which meet at one point, but their lines of action do not lie in a plane, are called:

37. A perfectly elastic body is

38. *Hooke's law holds good up to:

39. *Which of the following is dimensionless?

40. In the case of an H section, the maximum shear stress will occur at

41. A cantilever beam is one which is:

42. *A truss is completely analyzed, when

43. Load carrying capacity of fixed beam is

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

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

46. The rate of change of shear force is called

47. An orthotropic material has

48. *Fatigue is the failure of a material under:

49. The method of increasing fatigue resistance by overstressing the metal by successively increasing the loading is known as

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