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EEE :: Power Generation Economics

  1. Capital cost per MWh is highest in case of
  2. A.
    steam power plants
    B.
    diesel engine power plants
    C.
    nuclear power plants
    D.
    hydroelectric power plants

  3. Fuel transportation cost is least in
  4. A.
    Diesel generating plant
    B.
    Steam power stations
    C.
    Nuclear powers plants

  5. In an interconnected system consisting of a nuclear power stations, steam station and diesel generating station, which plant can be used as base load plant ?
  6. A.
    Steam station
    B.
    Diesel generation plant
    C.
    Nuclear power station
    D.
    Any of the above

  7. Five consumers having peak demands of A, B, C, D, and E have individual load factors of 0.5. It can be concluded that
  8. A.
    their combined load factor will be 0.5
    B.
    their peak demand during the day will be (A + B + C + D + E)
    C.
    their combined power consumption in a day will be 12 (A + B + C + D + E)
    D.
    their average demands are equal

  9. In a power plant a reserve generating capacity which is in operation but not in services known as
  10. A.
    Hot reserve
    B.
    Cold reserve
    C.
    Spinning reserve
    D.
    Firm power

  11. The ratio, maximum demand of the installation / sum of individual maximum demands is known as
  12. A.
    Demand factor
    B.
    Plant use factor
    C.
    Diversity factor
    D.
    Plant capacity factor

  13. A power plant supplying energy to a city will usually experience peak demand
  14. A.
    from midnight to early morning
    B.
    8 AM to 12 noon
    C.
    2 PM to 6 PM
    D.
    6 PM to 12 PM

  15. Which equipment provides fluctuating load ?
  16. A.
    Lathe machine
    B.
    Exhaust fan
    C.
    Welding transformer
    D.
    All of the above

  17. A consumer finds that after running 10 kVA equipment on full load for six hours his energy consumption was 48 kW. It can be concluded that
  18. A.
    the load factor of the consumer for the day was unity
    B.
    the maximum demand of the consumer was 10 kW
    C.
    the equipment was drawing reactive power only
    D.
    power factor of the equipment was 0.8

  19. For certain industrial applications the energy requirement is 500 kWh. If the heat losses are 20 percent the total energy to be made available will be
  20. A.
    5000 kWh
    B.
    4000 kWh
    C.
    7000 k Wh
    D.
    6000 kWh