Why does a steam generator show more than 100% efficiency (in terms of mass balance)?

I am working on a steam generator efficiency project. Here is a sample data : Amount of Feedwater - 12.33 m^3/hour = 12000 kg/hr (assuming density = 1000 kg/m^3)  Amount of Steam generated - 14450...

06 June 2016 2,372 10 View