Economics of power generation

11. The least share of power is provided in India, by which of the following power plants?

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

Detailed SolutionThe least share of power is provided in India, by which of the following power plants?

12. Approximate estimation of power demand can be made by

Load survey method
Statistical methods
Mathematical method
All of the above

Detailed SolutionApproximate estimation of power demand can be made by

13. Which of the following is the disadvantage due to low power factor ?

Poor voltage regulation
Increased transmission losses
High cost of equipment for a given load
All of the above

Detailed SolutionWhich of the following is the disadvantage due to low power factor ?

14. For a diesel generating station the useful life is expected to be around

15 to 20 years
20 to 50 years
50 to 75 years
75 to 100 years

Detailed SolutionFor a diesel generating station the useful life is expected to be around

15. power plant cannot have single unit of 100 MW.

Hydroelectric
Nuclear
Steam
Diesel E. Any of the above

Detailed Solutionpower plant cannot have single unit of 100 MW.

16. Annual depreciation cost is calculated by

sinkingfund method
straight line method
both (A) and (B)
none of the above

Detailed SolutionAnnual depreciation cost is calculated by

17. Incase of ______ fuel transportation is the major problem.

diesel power plants
nuclear power plants
hydro-electric power plants
thermal power plants

Detailed SolutionIncase of ______ fuel transportation is the major problem.

18. By the use of which of the following power factor can be improved ?

Phase advancers
Synchronous compensators
Static capacitors
Any of the above

Detailed SolutionBy the use of which of the following power factor can be improved ?

19. Load factor of a power station is generally

equal to unity
less than unity
more than unity
equal to zero Diversity factor is always

Detailed SolutionLoad factor of a power station is generally

20. In India production and distribution of electrical energy is confined to

private sector
public sector
government sectors
joint sector E. none of the above

Detailed SolutionIn India production and distribution of electrical energy is confined to

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