Question: A 7 0 % efficient compressor delivers air to a pneumatic system at 1 0 0 psig and 2 0 0 scfm . The efficiency

A 70% efficient compressor delivers air to a pneumatic system at 100 psig and 200 scfm. The efficiency of the electric motor driving the compressor is 90%, and the compressor operates 4000 hours per year. If the cost of electricity is $0.10/kWh, determine the cost of electricity per year.

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