Which power plant has minimum operating cost? a) Hydroelectric power plant b) Thermal power plant c) Nuclear power plant d) Gas Turbine Power Plant Ans: A 42. Which of the following have highest operating cost? a) Hydroelectric power plant b) Thermal power plant c) Nuclear power plant d) Solar electric power plant

 Which power plant has minimum operating cost? a) Hydroelectric power plant b) Thermal power plant c) Nuclear power plant d) Gas Turbine Power Plant Ans: A   42. Which of the following have highest operating cost? a) Hydroelectric power plant b) Thermal power plant c) Nuclear power plant d) Solar electric power plant
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