Mechanics of Materials & Structures Online Test – Paper 3

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

2. The maximum shear stress will always occur at

3. The region of c/s of a column in which compressive load may be applied without producing tensile load is known as

4. The value of Poisson's ratio always remains

5. The shear force on a beam and the displacement are related by

6. A brittle material will

7. *Dead load of a member is the

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

9. *Which of the following gives Modulus of Elasticity

10. The maximum deflection of a beam occurs at

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

12. Bending moment diagram of simply supported beam with a point load at the centre of the span is

13. Moment of inertia of a rectangular beam bxd is

14. The ratio of the effective length of a column and the minimum radius of gyration of its cross-sectional area is known as

15. *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

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

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

18. *Toughness is

19. In a beam where shear force is maximum, the bending moment will be

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

21. *Load required to produce unit deflection is called

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

23. The difference between SF values at any two sections will be equal to

24. *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:

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

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

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

28. Shape of the bending moment diagram for a simply supported beam having a point load at the center is

29. A body having similar properties throughout

30. *Compression members always tend to buckle in the direction of the

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

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

33. *The product EI is called

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

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

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

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

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

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

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

41. In a continuous beam, the point where bending moment changes sign is called

42. An orthotropic material has

43. The impact tests are used to determine

44. *As the elastic limit reaches, tensile strain

45. *Mathematically, strain may be defined as

46. *The rate of change of shear force is called

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

48. *Centre of gravity of a semi-circle is... above the base AB (Dia.)

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

50. *Stress may be defined as force