Question

An energy audit of a large building discovers that 20 billion Btu (20 billion kJ) of energy is being lost per year due to steam leaks. If the steam is saturated at 130 psia (900 kPa), how much water is lost due to the steam leaks? If water costs $1.00 per 1000 gal ($0.25 per 1000 L), what is the value of the lost water? How does this cost compare to the cost of lost steam, valued at $3.00 per 1000 lb ($6.50 per 1000 kg)?

Answer 1

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