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Economics of Power Generation - section-1
  1. An over excited synchronous motor on noload is known as

    2. A.

     synchronous condenser
    B.

     generator
    C.

     induction motor
    D.

     alternator

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

    3. A.

     private sector
    B.

     public sector
    C.

     government sectors
    D.

     joint sector
    E.

     none of the above

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

    4. A.

     Hydroelectric
    B.

     Nuclear
    C.

     Steam
    D.

     Diesel
    E.

     Any of the above

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  4. Which of the following devices may be used to provide protection against lightening over voltages ?

    5. A.

     Horn gaps
    B.

     Rod gaps
    C.

     Surge absorbers
    D.

     All of the above

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

    6. A.

     Poor voltage regulation
    B.

     Increased transmission losses
    C.

     High cost of equipment for a given load
    D.

     All of the above

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  6. High load factor indicates

    7. A.

     cost of generation per unit power is increased
    B.

     total plant capacity is utilised for most of the time
    C.

     total plant capacity is not properly utilised for most of the time
    D.

     none of the above

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  7. Annual depreciation as per straight line method, is calculated by

    8. A.

     the capital cost divided by number of year of life
    B.

     the capital cost minus the salvage value, is divided by the number of years of life
    C.

     increasing a uniform sum of money per annum at stipulated rate of interest
    D.

     none of the above

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

    9. A.

     Phase advancers
    B.

     Synchronous compensators
    C.

     Static capacitors
    D.

     Any of the above

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  9. In Hopknison demand rate or two parttariff the demand rate or fixed charges are

    10. A.

     dependent upon the energy consumed
    B.

     dependent upon the maximum demand of the consumer
    C.

     both (A) and (B)
    D.

     neither (A) nor (B)

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  10. Annual depreciation cost is calculated by

    11. A.

     sinkingfund method
    B.

     straight line method
    C.

     both (A) and (B)
    D.

     none of the above

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