Mechanics of Materials & Structures Online Test – Paper 3

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

2. The bending moment diagram for a cantilever beam subjected to a moment at the end of the beam would be

3. 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)

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

5. A brittle material has

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

7. Maximum bending moment occurs at the center if the simply supported beam is subjected to

8. The stress necessary to initiate yielding is considerably

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

10. *The shear force in a concrete beam is assumed to act

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

12. Find the value of thrust, if the member (beam) is subjected to an inclined force having a magnitude of 5 kN and an inclination with the vertical of 30°

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

14. The bending moment acting on the plane of an element will cause the following type of stress on the plane

15. The property of material by which it can be beaten or rolled into plates is called

16. Rate of change of bending moment is equal to

17. 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

18. If the length of a simply supported beam carrying a concentrated load at the center is doubled, the deflection at the center will become

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

20. *Mathematically, strain may be defined as

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

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

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

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

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

26. Which of the following gives Modulus of Rigidity

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

28. If α is the coefficient of linear expansion, T is the rise in temperature, then thermal stress is given by

29. The brittle materials have low toughness because they

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

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

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

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

34. *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

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

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

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

38. Load carrying capacity of fixed beam is

39. A beam fixed at both ends with a central load W in the middle will have zero bending moment

40. The reaction at end A of the beam shown is

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

42. In a simply supported beam with span, L subjected to a point load, W at the center. Find the maximum bending moment induced in the beam

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

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

45. What is strain energy?

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

47. The diagram showing the variation of axial load along the span is called

48. The slope of the curve of B.M. diagram at any section will be equal to

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

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