Which of the following power plant has least efficiency_________?
Correct answer: C. Steam power plant
- A. Nuclear power plant
- B. Hydro power plant
- C. Steam power plant
- D. Diesel power plant
Explanation
Steam plants generally have the lowest overall efficiency among these conventional options because several heat-conversion and mechanical stages cause large losses. Hydro plants are highly efficient, while diesel plants usually achieve better thermal efficiency.
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