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Economics of Power Generation - Interview Questions and Answers

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56. Annual operating expenditure of a power plant consists of
A. fixed charges
B. semi-fixed charges
C. running charges
D. all of the above
Explanation:
57. By the use of which of the following power factor can be improved ?
A. Phase advancers
B. Synchronous compensators
C. Static capacitors
D. Any of the above
Explanation:
58. An induction motor has relatively high power factor at
A. rated r.p.m.
B. no load
C. 20 percent load
D. near full load
Explanation:
59. public sector undertaking is associated with erection and sometimes running of thermal power plants
A. NTPC
B. SAIL
C. BEL
D. BHEL
Explanation:
60. In which of the following power plants the maintenance cost is usually high ?
A. Nuclear power plant
B. Hydro-electric power plants
C. Thermal power plants
D. Diesel engine power plants
Explanation:
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