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Please solve this with all calculations A steam boiler produces 3.8 kg/s at 80 bar and 400C from water at 70 bar and 120C. The

Please solve this with all calculations

A steam boiler produces 3.8 kg/s at 80 bar and 400C from water at 70 bar and

120C. The boiler burns 18 m3/min of natural gas with a calorific value of 38 MJ/m3.

Calculate the thermal efficiency of the boiler.

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