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Compressor Efficiency - GATE ME '98

Air (Cp = 1 kJ/kg.K , ϒ = 1.4) enters a compressor at a temperature of 27 C. The compressor pressure ratio is 4. Assuming an efficiency of 80%, the compressor work required in kJ/kg is ____

A. 160

B. 172

C. 182

D. 225

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Thermodynamics Forum

Air (Cp = 1 kJ/kg.K , ϒ = 1.4) enters a compressor at a temperature of 27 C. The compressor pressure ratio is 4. Assuming an efficiency of 80%, the compressor work required in kJ/kg is ____