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What is the most important factor that is essential for economical working of a power plant?(a) Abundant fuel input(b) Rotational speed of turbines(c) Efficient transfer of heat energy to water(d) Proper maintenance Ash and other waste handling systemsI had been asked this question in a national level competition.This intriguing question comes from Fuel Burning in chapter Steam Power Plant of Energy Engineering

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Correct option is (c) EFFICIENT transfer of heat energy to water

Easiest explanation: The economical working of power plant depends upon factors such as efficient transfer of heat energy to water for GENERATION of STEAM and efficient COMBUSTION of fuel in combustion chamber. Many improvements have been made in design of the furnace to increase the rate of combustion.



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