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EEE :: Economics of Power Generation

  1. Which of the following is not a source of power ?

  2. A.

     Thermocouple

    B.

     Photovoltaic cell

    C.

     Solar cell

    D.

     Photoelectric cell

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  3. Depreciation charges are high in case of

  4. A.

     thermal plant

    B.

     diesel plant

    C.

     hydroelectric plant

    D.

     none of the above

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  5. _______ is invariably used as base load plant.

  6. A.

     Diesel engine plant

    B.

     Nuclear power plant

    C.

     Gas turbine plant

    D.

     Pumped storage plant

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  7. An alternator coupled to a _____ runs at slow speed, as compared to as compared to others.

  8. A.

     diesel engine

    B.

     hydraulic turbine

    C.

     steam turbine

    D.

     gas turbine

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  9. For a consumer the most economical power factor is generally

  10. A.

     0.5 lagging

    B.

     0.5 leading

    C.

     0.95 lagging

    D.

     0.95 leading

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  11. A pilot exciter is provided on generators for which of the following reasons ?

  12. A.

     To excite the poles of main exciter

    B.

     To provide requisite starting torque to main exciter

    C.

     To provide requisite starting torque to generator

    D.

     None of the above

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  13. Which of the following source of power is least reliable ?

  14. A.

     Solar energy

    B.

     Geothermal power

    C.

     Wind power

    D.

     MHD

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  15. Which lightening stroke is most dangerous ?

  16. A.

     Direct stroke on line conductor

    B.

     Indirect stroke on conductor

    C.

     Direct stroke on tower top

    D.

     Direct stroke on ground wire

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

  18. A.

     fuel cell

    B.

     batteries

    C.

     thermionic converter

    D.

     all of the above

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

  20. A.

     fuel cells

    B.

     solar cells

    C.

     MHD generators

    D.

     none of the above

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