Mechanics of Materials & Structures Online Test – Paper 3

1. *In a simply supported beam with span (L) having a triangular load with its intensity 0 at both ends and W at center. The maximum BM will be

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

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

4. The crippling load for column of length 1, with one end fixed and the other end free is

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

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

7. *Thrust is induced in the case of

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

9. The rate of change of shear force is called

10. *Toughness is

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

12. At the point of application of concentrated load on a beam, there is

13. *Which of the following is dimensionless?

14. *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:

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

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

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

18. *The velocity of a moving body is:

19. *The maximum BM produced in a simply supported beam having a span of 4 m and subjected to a UDL of 10 kN/m

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

21. 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)

22. *Which of the following sections is the most efficient in carrying bending moments

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

24. 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

25. *Tensile internal force tends to:

26. In rectangular column having cross section b X h, the core is

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

28. *Short column taking maximum load having equal section

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

30. An orthotropic material has

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

32. The shear force on a beam is proportional to

33. The difference between BM values at any two sections will be equal to

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

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

36. The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length is

37. The stress necessary to initiate yielding is considerably

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

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

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

41. *A point where SF is zero, BM is

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

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

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

45. In simple bending theory, the assumption that a plane section before bending remains plane after bending implies that

46. A cantilever beam is the one which is supported with

47. *The law which states that within elastic limits strain produced is proportional to stress producing it is known as:

48. *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

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

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