Mechanics of Materials & Structures Online Test – Paper 3

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

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

3. Buckling load for a given column depends upon

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

5. The number of points of contraflexture in a simply supported beam carrying udl is

6. A shear force diagram of a simply supported beam shows constant shear force throughout the span. It is subjected to

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

8. *The compression test is commonly used for testing

9. *In a simply supported beam subjected to a point load at the center, the maximum bending moment occurs at

10. A cantilever beam is one which is:

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

12. What is tenacity?

13. Which of the following materials will have the highest Young's Modulus?

14. Permanent set is

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

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

17. 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

18. The maximum bending moment in a simply supported beam loaded with a UDL of w/m having span l is

19. 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

20. The maximum deflection in a cantilever beam carrying a uniformly distributed load (w) over spans is (Where L is span of beam, W is total load and EI is flexural rigidity)

21. *If a cantilever beam of 8m long has a uniformly distributed load of 2KN/m throughout the length and a 10KN point load at the center of the beam, find the moment at the center:

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

23. *The property of a material by which a body returns to its original shape after removal of the force is called

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

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

26. A long vertical member subjected to an axial compressive load is called

27. The number of reaction components at a hinged end of a general loading is

28. *In the case of a fixed beam loaded at a point at its center, the number of points at which BM is zero

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

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

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

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 rate of change of shear force is called

34. A brittle material has

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

36. *The slope of an elastic curve at the point of contraflexture

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

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

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

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

41. The section modulus of a circular section about an axis through its C.G. is

42. *The Young's Modulus of elasticity is defined as the ratio of stress & strain within the

43. The maximum bending moment caused by a moment M applied at a distance 'a' from one end on a simply supported beam is.... (where L=span, a>L/2)

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

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

46. *The shear flow in a section can be defined as

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

48. Point of contraflexure is a point where bending moment

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

50. The maximum deflection of a simply supported beam subjected to a uniformly distributed load (w) over the span is