Economics of Power Generation

21. Annual depreciation cost is calculated by

1. sinkingfund method
2. straight line method
3. both (a) and (b)
4. none of the above

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22. Annual depreciation of the plant it proportional to the earning capacity of the plant vide

1. sinking fund depreciation
2. straight line depreciation
3. reducing balances depreciation
4. none of the above

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23. Annual instalment towards depreciation reduces as rate of interest increases with

1. sinking fund depreciation
2. straight line depreciation
3. reducing balances depreciation
4. none of the above

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24. Annual operating expenditure of a power plant consists of

1. fixed charges
2. semi-fixed charges
3. running charges
4. all of the above

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

1. Phase advancers
2. Synchronous compensators
3. Static capacitors
4. Any of the above

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26. Demand factor is defined as

1. average load/maximum load
2. maximum demand/connected load
3. connected load/maximum demand
4. average load x maximum load

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27. Depreciation charges are high in case of

1. thermal plant
2. diesel plant
3. hydroelectric plant
4. none of the above

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28. Direct conversion of heat into electric power is possible through

1. fuel cell
2. batteries
3. thermionic converter
4. all of the above

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29. Direct conversion of heat into electrical energy is possible through

1. fuel cells
2. solar cells
3. MHD generators
4. none of the above

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30. Diversity factor has direct effect on the

1. fixed cost of unit generated
2. running cost of unit generated
3. both (a) and (b)
4. neither (a) nor (b)

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