Question: A heat source (S_{1}) can supply (6000 mathrm{~kJ} / mathrm{min}) at (300^{circ} mathrm{C}) and another heat source (S_{2}) can supply (60,000 mathrm{~kJ} / mathrm{min}) at

A heat source $S_{1}$ can supply $6000 \mathrm{~kJ} / \mathrm{min}$ at $300^{\circ} \mathrm{C}$ and another heat source $S_{2}$ can supply $60,000 \mathrm{~kJ} / \mathrm{min}$ at $100^{\circ} \mathrm{C}$. Which source will you choose to supply energy to a Carnot engine to produce a large amount of power if the surroundings are at $27^{\circ} \mathrm{C}$ ?

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