Mechanics of Materials & Structures Online Test – Paper 3

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

2. The strain energy stored by a member when strained within the elastic limit is known as

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

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

5. *Find the maximum bending moment in a simply supported beam loaded with a UDL of 2 t/m having a span of 4m

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

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

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

9. *The relation between the radius of curvature (R), bending moment (M), and flexural rigidity (EI) is given by

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

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

12. A cantilever beam is one which is:

13. Centrifugal force acts at a curve

14. The maximum shear stress will always occur at

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

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

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

18. The maximum bending moment caused by a moving load on a fixed-end beam occurs

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

20. *BM in a cantilever beam having a span of 1.8m and a uniformly distributed load of 4kg/m

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

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

23. Which of the following is a relatively ductile material?

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

26. *A member which does not regain its original shape after the load producing deformation is removed, is said to be:

27. *The bending moment at a section tends to bend or deflect the beam and internal stresses resist its bending. The resistance offered by the internal stress to the bending, is called:

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

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

30. *A truss is completely analyzed, when

31. *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:

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

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

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

35. The radius of gyration of a rectangular section is not proportional to

36. *The amount of shear force at the maximum bending moment

37. *If the shear force along a section of a beam is zero, the bending moment at the section is:

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

39. According to Hook's law, which one is correct?

40. The relation between deflection (y) and bending moment (M) is

41. The stress in the member subjected to a force is

42. *"If a rod is simultaneously pulled at both of its ends, it will be a case of:

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

44. The safe value of stress below which the material will not fail when subjected to a reversal of stress is known as

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

46. Rate of change of bending moment is equal to

47. *The simple bending equation is

48. *The maximum deflection of a simply supported beam subjected to a concentrated load (W) at the midpoint is

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

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