31. What are the materials used in a
choke?
32. What is the principle of working gas
turbine?
33. What are the applications of diesel
electric plant?
34. What is meant by Demand charges?
35. What is load duration curve?
36. List the various types of equipment
that can cause power quality problems.
37. What do harmonics do?
38. What is sag or dip and swells?
39. Define Diversity factor?
40. What are the functions of Bureau of
Energy Efficiency?
41. What is meant by base load?
42. What are the factors that influence
fixing up of tariff to the consumers?
43. What is the need for depreciation
reserve?
44. What are various traction systems you
know of?
45. Discuss merits and demerits of steam
engine drive. Advantages
46. What are the different systems of railway
electrification?
47. What are the merits and demerits of
D.C system of track electrification?
48. What are the functions of a D.C. sub
station?
49. What are various current collection
systems?
50. What are the factors affecting the
schedule speed of a train?
51. What is the difference between dead
weight and accelerating weight of a locomotive?
52. What do you meant by tractive effort?
53. What are the advantages of electric
braking?
54. Why three phase traction system
employing induction motors is now obsolete give reasons?
55. What are the various types of braking
methods?
56. Discuss the current trends in AC
traction systems?
57. What are the advantages of
pantographs?
58. State the advantages of electric
heating?
59. State the properties of a heating
element that you will look for?
60. Explain the advantages of induction
heating?
61. Give relative advantages and
disadvantages of direct and indirect arc furnace?
62. Compare the performance of various
electrodes used in electric arc furnace?
63. How high frequency supply is
obtained?
64. Give various types of electric arc
welding.
65. What do you understand by resistance
welding?
66. What is welding?
67. What are the different types of
electric welding?
68. Explain clearly pinch effect?
No comments :
Post a Comment