SOPEEC Refrigeration Operator A Practice Questions - SOPEEC Refrigeration Operator Class A Exam

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An ammonia compressor operates with a suction mass flow rate of 0.15 kg/s. The specific volume of ammonia vapor at suction conditions is 0.42 m³/kg. If the compressor has a volumetric efficiency of 75%, what is the required theoretical compressor displacement in m³/s?

0.047 m³/s 0.063 m³/s 0.084 m³/s 0.112 m³/s

Correct Answer:

0.084 m³/s

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