CVE 204 CBT PRACTICE

1. The property of a material by which it can be beaten or rolled into thin plates is called _______

2. Which of the following is not the unit of distance?

3. A rigid body is very slowly dropped on another body and a deflection δ_st occurs in the second body. If the rigid body be placed suddenly, the value of the impact factor will be:

4. If a tangential force acts parallel to the surface of an object, the resulting internal force per unit area is known as __________.

5. Moving train is an example of ____ load.

6. The loading and unloading response of a metal is shown in the figure. The elastic and plastic strains corresponding to 200 MPa stress, respectively, are

7. If a piece of material neither expands nor contracts in volume when subjected to stresses, then the Poisson’s ratio must be

8. The dimension of strain is?

9. Find the reaction at simple support A?

10. The total area under the stress-strain curve of a mild steel specimen tested up to failure under tension is a measure of its:

11. Some structural members subjected to a long time sustained loads deform progressively with time especially at elevated temperatures. What is such a phenomenon called?

12. As the elastic limit reaches, tensile strain __________

13. To avoid _____ stresses in beams, one end of the beam is placed on the rollers.

14. i) Strain is a fundamental behaviour of a material.
ii) Strain does not have a unit.

15. A member which does not regain its original shape after removal of the load producing deformation is said __________

16. A tensile test was conducted on a mild steel bar. The diameter and the gauge length of bat was 3cm and 20cm respectively. The extension was 0.21mm. What is the value to strain?

17. A steel cube, with all faces free to deform, has Young’s modulus, E, Poisson’s ratio, ν, and coefficient of thermal expansion, α. The pressure (hydrostatic stress) developed within the cube, when it is subjected to a uniform increase in temperature, ΔT, is given by

18. If a part is constrained to move and heated, it will develop

19. Fixed beam is also known as __________

20. The reactions at the rigid supports at A and B for the bar loaded as shown in the figure are respectively:

21. Find the strain of a brass rod of length 250mm which is subjected to a tensile load of 50kN when the extension of rod is equal to 0.3mm?

22. U.D.L stands for?

23. Continuous beams are _________

24. The diagram depicts _______ kind of beam.

25. Find the elongation of an steel rod of 100mm length when it is subjected to a tensile strain of 0.005?

26. Coloumb friction is the friction between

27. Units of U.D.L?

28. What is tensile strain?

29. _______ support develops support moment.

30. The product of either force of couple with the arm of couple is called

31. What will be the variation in BMD for the diagram? [Assume l = 2m].

32. What is the maximum shear force, when a cantilever beam is loaded with udl throughout?

33. A sample of metal weighs 219 gms in air, 180 gms in water and 120 gms in an Unkonwn fluid. Then which statement is correct about the density of the metal?

34. A rod 200cm long is subjected to an axial pull due to which it elongates about 2mm. Calculate the amount of strain?

35. A tensile test was conducted on a steel bar. The gauge length of the bar was 10cm and the extension was 2mm. What will be the percentage elongation?

36. The unit of force in S.I. units is ?

37. Shear force is unbalanced _____ to the left or right of the section.

38. Maximum energy that a given component can absorb without undergoing any permanent deformation upto elastic limit is known as:

39. Engineering strain of a mild steel sample is recorded as 0.100%. The true strain is

40. A solid cube is subjected to equal normal forces on all its faces. The volumetric strain will be x-times the linear strain in any of the three axes when?

41. Determine the moment at fixed end.

42. Sagging, the bending moment occurs at the _____ of the beam.

43. A tensile test is performed on a round bar. After fracture, it has been found that the diameter remains approximately same at fracture. The material under test was

44. _______ is a horizontal structural member subjected to transverse loads perpendicular to its axis.

45. The weight of a body is due to

46. The room-temperature stress (σ) -strain (ϵ) curves of four materials P, Q, R, and S are shown in the figure below. The material that behaves as a rigid perfectly plastic material is

47. What the number that measures an object’s resistance to being deformed elastically when stress is applied to it?

48. The body will regain it is previous shape and size only when the deformation caused by the external forces, is within a certain limit. What is that limit?

49. What kind of elastic materials are derived from a strain energy density function?

50. What is tensile stress?

51. The materials which have the same elastic properties in all directions are called _________

52. What is the bending moment at end supports of a simply supported beam?

53. The Y axis of centre of gravity of semicircular plate 1.32 m diameter from its base as shown in figure.

54. If section modulus of a beam is increased the bending stress in the beam will:

55. A beam which extends beyond it supports can be termed as __________

56. The property by which a body returns to its original shape after removal of the force is called __________

57. Example for cantilever beam is ______

58. For steel, the ultimate strength in shear as compared to ultimate strength in tension is:

59. The lateral strain is ___________

60. Given below diagram is ______ load.