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Electrical Engineering

Economics Of Power Generation MCQs

Practice Economics Of Power Generation MCQs for competitive exams.

Economics Of Power Generation MCQs

Practice questions from this topic.

In an interconnected system, the diversity factor of the whole system

  1. A. remains unchanged
  2. B. decreases
  3. C. increases
  4. D. none of the above
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Which of the following is the essential requirement of peak load plant?

  1. A. It should run at high speed
  2. B. It should produce high voltage
  3. C. It should be small in size
  4. D. It should be capable of starting quickly
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A power transformer is usually rated in

  1. A. kW
  2. B. kVAR
  3. C. kWh
  4. D. kVA
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Direct conversion of heat into electrical energy is possible through

  1. A. fuel cells
  2. B. solar cells
  3. C. MHD generators
  4. D. none of the above
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Direct conversion of heat into electric power is possible through

  1. A. fuel cell
  2. B. batteries
  3. C. thermionic converter
  4. D. all of the above
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Which lightening stroke is most dangerous ?

  1. A. Direct stroke on line conductor
  2. B. Indirect stroke on conductor
  3. C. Direct stroke on tower top
  4. D. Direct stroke on ground wire
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Which of the following source of power is least reliable ?

  1. A. Solar energy
  2. B. Geothermal power
  3. C. Wind power
  4. D. MHD
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A pilot exciter is provided on generators for which of the following reasons ?

  1. A. To excite the poles of main exciter
  2. B. To provide requisite starting torque to main exciter
  3. C. To provide requisite starting torque to generator
  4. D. None of the above
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For a consumer the most economical power factor is generally

  1. A. 0.5 lagging
  2. B. 0.5 leading
  3. C. 0.95 lagging
  4. D. 0.95 leading
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An alternator coupled to a _____ runs at slow speed, as compared to as compared to others.

  1. A. diesel engine
  2. B. hydraulic turbine
  3. C. steam turbine
  4. D. gas turbine
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_______ is invariably used as base load plant.

  1. A. Diesel engine plant
  2. B. Nuclear power plant
  3. C. Gas turbine plant
  4. D. Pumped storage plant
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Depreciation charges are high in case of

  1. A. thermal plant
  2. B. diesel plant
  3. C. hydroelectric plant
  4. D. none of the above
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