Mechanics of Materials & Structures Online Test – Paper 3

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

2. *The critical bending moment caused in a fixed end beam loaded with a uniformly distributed load (W = wL) throughout is

3. The shear center may be defined as

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

5. *A beam is said to be of uniform strength if

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

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

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

9. *Strut is a

10. *A beam is said to be loaded in pure bending when

11. *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

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

13. A perfectly elastic body is

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

15. *The phenomenon of decreased resistance of material due to the reversal of stress is called

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

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

18. *Which of the following is dimensionless?

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

20. *Normal strain is defined as

21. A brittle material will

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

23. *Load required to produce unit deflection is called

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

25. *Centrifugal force is given by

26. For a column, with both ends fixed, the crippling load will be equal to

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

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

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

30. Find the maximum BM induced in a simply supported 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

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

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

33. What is strain energy?

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

35. For a beam of uniform strength if its depth is maintained constant then its width will vary in proportion to

36. 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

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

38. *The compression test is commonly used for testing

39. 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

40. Normally, the numerical value of Poisson's is

41. The phenomenon of slow growth of strain under steady tensile stress, i.e., increasing with time, is called

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

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

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

45. The effective length of a column effectively held in position and restrained in direction at one end will be

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

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

48. *The ratio of change in volume to the original volume is called:

49. The maximum bending moment caused by a large number of equally spaced identical loads on a simply supported beam is (W = wL)

50. *A tie is a member which