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EEE :: Economics of Power Generation

  1. Which of the following power plants need the least period for installation ?

  2. A.

     Thermal power plant

    B.

     Diesel power plant

    C.

     Nuclear power plant

    D.

     Hydro-electric power plant

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  3. Diversity factor has direct effect on the

  4. A.

     fixed cost of unit generated

    B.

     running cost of unit generated

    C.

     both (A) and (B)

    D.

     neither (A) nor (B)

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  5. During load shedding

  6. A.

     system power factor is changed

    B.

     some loads are switched off

    C.

     system voltage is reduced

    D.

     system frequency is reduced Efficiency is the secondary consideration in

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  7. which of the following plants ?

  8. A.

     Base load plants

    B.

     Peak load plants

    C.

     Both (A) and (B)

    D.

     none of the above

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  9. The primary reason for low power factor is supply system is due to installation of

  10. A.

     induction motors

    B.

     synchronous motors

    C.

     single phase motors

    D.

     d.c. motors

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  11. Power plant having maximum demand more than the installed rated capacity will have utilisation factor

  12. A.

     equal to unity

    B.

     less than unity

    C.

     more than unity

    D.

     none of the above

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  13. Load curve is useful in deciding the

  14. A.

     operating schedule of generating units

    B.

     sizes of generating units

    C.

     total installed capacity of the plant

    D.

     all of the above

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  15. Approximate estimation of power demand can be made by

  16. A.

     Load survey method

    B.

     Statistical methods

    C.

     Mathematical method

    D.

     All of the above

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  17. The efficiency of a plant is of least concern when it is selected as

  18. A.

     peak load plant

    B.

     casual run plant

    C.

     either (A) or (B)

    D.

     base load plant

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  19. Annual operating expenditure of a power plant consists of

  20. A.

     fixed charges

    B.

     semi-fixed charges

    C.

     running charges

    D.

     all of the above

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