Mechanics of Materials & Structures Online Test – Paper 3

1. *Load required to produce unit deflection is called

2. Identify the correct relationship that exists among the modulus of elasticity (E), modulus of rigidity (N), and bulk modulus (k) is

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

4. The zone between the elastic limit and proportional limit on the elastic curve of an elastic material is known as

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

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

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

8. Shear force diagram for a cantilever carrying a UDL over its whole length is

9. *Which of the following is dimensionless?

10. The stress necessary to initiate yielding is considerably

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

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

13. The limit of proportionality depends upon

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

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

16. In a beam, the neutral plane

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

18. *The compression test is commonly used for testing

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

20. Find the maximum SF induced in S.S 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

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

22. Moment of inertia of a rectangular beam bxd is

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

24. 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

25. The difference in ordinate of the shear force between any two sections is equal to the area under

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

27. *Normal strain is defined as

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

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

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

31. *A truss is completely analyzed, when

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

33. The shear center may be defined as

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

35. The bending moment in a cable carrying a system of loads will be

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

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

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

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

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

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

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

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

44. The actual breaking stress of a ductile material from a tension test will be

45. *Maximum bending moment occurs where

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

47. *The simple bending equation is

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

49. Rate of change of bending moment is equal to

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