Calculating Efficiency and Power in a Carnot Engine

A Carnot engine is used in a nuclear power plant. It receives 1500 MW by heat transfer with a source at 340C, and it rejects thermal waste to a nearby river at 27C. The river temperature rises by 3C. Determine the:

(i) Efficiency of the power plant
(ii) Power output of the power plant.

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...he efficiency of the Carnot engine is the ratio of amount of work done by the gas to the total heat energy absorbed by the gas.

EFFIENCY = (Q1 - ...