Question: Two different fuels can be used in a heat engine, operating between the fuel burning temperature and a low temperature of 350 K. Fuel A

Two different fuels can be used in a heat engine, operating between the fuel burning temperature and a low temperature of 350 K. Fuel A burns at 2500 K delivering 52000 kJ/kg and costs $1.75 per kilogram. Fuel B burns at 1700 K, delivering 40000 kJ/kg and costs $1.50 per kilogram. Which fuel would you buy and why?

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