The expected useful life of an hydroelectric power station is around_________________?
Correct answer: D. 100 years
- A. 15 years
- B. 30 years
- C. 60 years
- D. 100 years
Explanation
Hydroelectric stations have very long service lives because their turbines, generators and civil structures are robust and can be refurbished. Their expected useful life is commonly taken as about 100 years, much longer than that of thermal plants.
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