2 127 a 75 hp shaft compressor in a facility that operates at full loa
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2-127 A 75 hp (shaft) compressor in a facility that operates at full load for 2500 hours a year is powered by an electric motor that has an efficiency of
93 percent. If the unit cost of electricity is $0.11/kWh, the annual electricity cost of this compressor is (a) $14,300 (b) $15,380 (c) $16,540 (d) $19,180 (e) $22,180