Economics of power generation

11. The knowledge of diversity factor helps in determining

plant capacity
average load
peak load
kWh generated E. none of the above

Detailed SolutionThe knowledge of diversity factor helps in determining

12. In which?of the following power plants the maintenance cost is usually high?

Nuclear power plant
Hydro-electric power plants
Thermal power plants
Diesel engine power plants

Detailed SolutionIn which?of the following power plants the maintenance cost is usually high?

13. Low power factor is usually not due to

Arc lamps
Induction motors
Fluorescent tubes
Incandescent lamp

Detailed SolutionLow power factor is usually not due to

14. Which of the following component, in a steam power plant, needs maximum maintenance attention?

Steam turbine
Condenser
Water treatment plant
Boiler

Detailed SolutionWhich of the following component, in a steam power plant, needs maximum maintenance attention?

15. For which of the following power plants highly skilled engineers are required for running the plants?

Nuclear power plants
Gas turbine power plants
Solar power plants
Hydro-electric power plants

Detailed SolutionFor which of the following power plants highly skilled engineers are required for running the plants?

16. Diversity factor has direct effect on the

fixed cost of unit generated
running cost of unit generated
both (A) and (B)
neither (A) nor (B)

Detailed SolutionDiversity factor has direct effect on the

17. ________ is invariably used for peak load

Nuclear power plant
Steam turbine plant
Pumped storage plant
None of the above

Detailed Solution________ is invariably used for peak load

18. A nuclear power plant is invariably used as a

peak load plant
base load plant
stand-by plant
spinning reserve plant E. any of the above

Detailed SolutionA nuclear power plant is invariably used as a

19. Maximum demand on a power plant is

the greatest of all ?short time interval averaged? demand during a period
instantaneous maximum value of kVA supplied during a period
both (A) or (B)
none of the above

Detailed SolutionMaximum demand on a power plant is

20. Load curve is useful in deciding the

operating schedule of generating units
sizes of generating units
total installed capacity of the plant
all of the above

Detailed SolutionLoad curve is useful in deciding the

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