Mechanics of Materials & Structures Online Test – Paper 3

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

2. A viscoelastic material

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

4. *The phenomenon of decreased resistance of material due to the reversal of stress is called

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

6. *Which of the following gives Bulk Modulus?

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

8. A cantilever beam is one which is:

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

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

11. If the value of Young's Modulus of elasticity for a material is zero, it implies that the material is

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

13. The crippling load for a column with both ends hinged is

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

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

16. *Young's modulus is the ratio of

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

18. For keeping the stress wholly permissible, the load may be applied to a circular column anywhere within a concentric circle of diameter

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

20. The phenomenon of slow growth of strain under steady tensile stress, i.e., increasing with time, is called

21. Which of the following gives Poisson's ratio?

22. *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:

23. If the stress produced by a prismatic bar is equal to the working stress, the area of the cross-section of the prismatic bar becomes

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

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

26. A body having similar properties throughout

27. *Which of the following gives Modulus of Elasticity

28. In a fixed beam, the points of contraflexure,

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

30. The limit of proportionality depends upon

31. *The law "Stress is proportional to strain within certain limits" is formulated by

32. *A simply supported beam as shown in the fig. carries 10 t of load. What will be the reaction at point B ?

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

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

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

36. The moment of inertia of a triangular section b x h about the c-g is

37. *Which of the following is dimensionless?

38. What is strain energy?

39. Centrifugal force acts away from the center of the path while centripetal force

40. *The simple bending equation is

41. *The product EI is called

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

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

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

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

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

47. 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

48. Point of contraflexure is a point where bending moment

49. Buckling load for a given column depends upon

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