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.Management Sciences
Category: Economics of Power Generation
Load factor of a power station is generally___________?
A. equal to unity
B. less than unity
C. more than unity
D. equal to zero Diversity factor is always
The area under a load curve gives__________?
A. average demand
B. energy consumed
C. maximum demand
D. none of the above
Which plant can never have 100 percent load factor?
A. Peak load plant
B. Base load plant
C. Nuclear power plant
D. Hydro electric plant
Which of the following devices may be used to provide protection against lightening over voltages?
A. Horn gaps
B. Rod gaps
C. Surge absorbers
D. All of the above
In a distribution system, in order to improve power factor, the synchronous capacitors are installed__________?
A. at the receiving end
B. at the sending end
C. either A. or (b)
D. none of the above
With reference to a power station which of the following is not a fixed cost?
A. Fuel cost
B. Interest on capital
C. Insurance charges
D. Depreciation
Annual operating expenditure of a power plant consists of____________?
A. fixed charges
B. semi-fixed charges
C. running charges
D. all of the above
Which of the following is not an operating cost?
A. Maintenance cost
B. Fuel cost
C. Salaries of high officials
D. Salaries of operating staff
Which of the following, in a thermal power plant, is not a fixed cost?
A. Fuel cost
B. Interest on capital
C. Depreciation
D. Insurance charges
A nuclear power plant is invariably used as a__________?
A. peak load plant
B. base load plant
C. stand-by plant
D. spinning reserve plant
E. any of the above
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