Electrical Cables MCQ Multiple Choice Questions Answers - Page 2 for Practice

31. The bedding on a cable consists of

32. The breakdown of insulation of the cable can be avoided economically by the use of

33. The breakdown voltage of a cable depends on

34. The current carrying capacity of cables in D.C. is more thanthat in A.C. mainly due to

35. The disadvantage with paper as insulating material is

36. The electrostatic stress in underground cables is

37. The insulating material for a cable should have

38. The insulating material for cables should

39. The insulating material should have

40. The insulation of the cable decreases with

41. The intersheaths in the cables are used to

42. The material for armouring on cable is usually

43. The minimum dielectric stress in a cable is at

44. The relative permittivity of rubber is

45. The surge resistance of cable is

46. The thickness of metallic shielding on cables is usually

47. The thickness of the layer of insulation on the conductor, in cables, depends upon

48. Underground cables are laid at sufficient depth

49. Which of the following insulation is used in cables?

50. Which of the following protects a cable against mechanical injury?


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