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EEE :: Economics of Power Generation

  1. With reference to a power station which of the following is not a fixed cost?

  2. A.

     Fuel cost

    B.

     Interest on capital

    C.

     Insurance charges

    D.

     Depreciation


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

  4. A.

     diesel power plants

    B.

     nuclear power plants

    C.

     hydro-electric power plants

    D.

     thermal power plants


  5. Low power factor is usually not due to

  6. A.

     Arc lamps

    B.

     Induction motors

    C.

     Fluorescent tubes

    D.

     Incandescent lamp


  7. A consumer has to pay lesser fixed charges in

  8. A.

     flat rate tariff

    B.

     two part tariff

    C.

     maximum demand tariff

    D.

     any of the above


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

  10. A.

     Nuclear power plant

    B.

     Hydro-electric power plants

    C.

     Thermal power plants

    D.

     Diesel engine power plants


  11. Load factor of a power station is generally

  12. A.

     equal to unity

    B.

     less than unity

    C.

     more than unity

    D.

     equal to zero Diversity factor is always


  13. The load factor of domestic load is usually

  14. A.

     10 to 15%

    B.

     30 to 40%

    C.

     50 to 60%

    D.

     60 to 70%


  15. Load factor of a power station is defined as

  16. A.

     maximum demand/average load

    B.

     average load x maximum demand

    C.

     average load/maximum demand

    D.

     (average load x maximum demand)172


  17. Generating capacity connected to the bus bars and ready to take load when switched on is known as

  18. A.

     firm power

    B.

     cold reserve

    C.

     hot reserve

    D.

     spinning reserve


  19. public sector undertaking is associated with erection and sometimes running of thermal power plants

  20. A.

     NTPC

    B.

     SAIL

    C.

     BEL

    D.

     BHEL