A nuclear power plant generates 3000 MW of heat energy from nuclear reactions in the reactor's core. This energy is used to boil water and produce high-pressure steam at 280∘C. The steam spins a turbine, which produces 1100 MW of electric power, then the steam is condensed and the water is cooled to 25∘C before starting the cycle again. a. What is the maximum possible thermal efficiency of the power plant?
b. What is the plant's actual efficiency?

As per the question the nuclear power plant generates about 3000 MW of energy form the reactors and is due to the core of the reactor. The high pressure stream is 280 a C is used for the turbine to make it spin.

Learn more about  the plant generates 3000 MW of heat energy.

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a) , b)

Explanation:

a) The maximum possible thermal efficiency of the power plant is given by the Carnot's Cycle thermal efficiency, which consider a reversible power cycle according to the Second Law of Thermodynamics, whose formula is:

Where:

- Temperature of the cold reservoir (Condenser), measured in K.

- Temperature of the hot reservoir (Evaporator), measured in K.

The maximum possible thermal efficiency is:

b) The actual efficiency of the plant is the ratio of net power to input heat rate expressed in percentage:

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d. platinum would have the greatest temperature increase because it has the lowest specific heat.