The electric power generation cost in nuclear power plant is less than that in a coal based thermal power plant, mainly because the________________?
Correct answer: A. Fuel cost per unit power generated is less
- A. Fuel cost per unit power generated is less
- B. Thermal efficiency of the former is higher
- C. Maintenance cost of the former is less
- D. None of these
Explanation
Nuclear fuel contains vastly more energy per unit mass than coal, so fuel cost per unit of electricity is much lower even though nuclear plants have high construction costs. Nuclear thermal efficiency is not necessarily higher than that of a coal plant, so option b is not the main reason.
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