Question: A boiler operating at 10.5 bar (absolute) has two incoming streams of water and one emerging stream of saturated steam. In the first feed stream,

A boiler operating at 10.5 bar (absolute) has two incoming streams of water and one emerging stream of saturated steam. In the first feed stream, (60 kg/min of water flows at a temperature of 40C. In the second feed stream, (200 kg/min) of water flows in at 60C Calculate the required heat input (in kJ/min) to the boiler (and explicitly list all relevant assumptions)

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