Which of the following power plant usually offer highest maintenance cost___________?
Correct answer: C. Thermal power plants
- A. Nuclear power plants
- B. Hydro-electric power plants
- C. Thermal power plants
- D. Diesel engine power plant
Explanation
Thermal plants usually require high maintenance because boilers, turbines, condensers, fuel-handling equipment, and pollution-control systems operate under severe temperature and pressure conditions. Hydro plants generally have lower routine maintenance requirements.
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