The thermal efficiency of a Steam power plant is 33%, while electrical efficiency is 94%. The overall efficiency is | Power Generation MCQ

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The thermal efficiency of a Steam power plant is 33%, while electrical efficiency is 94%. The overall efficiency is:

  1. 27%
  2. 28%
  3. 31%
  4. 36%

Correct answer: 3. 31%

Explanation:

Overall efficiency = Thermal efficiency * Electrical Efficiency

Overall efficiency = 0.33 * 0.94 = 0.31 = 31%

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