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In an engine working on air standard Stirling cycle the temperature at the beginning of isothermal compression is 127°C. The engine thermal efficiency is 50%. The specific heat of air at constant volume is . The heat transferred to the regenerator is                               

(A) 200 CV kJ / kg       (B) 300 CV kJ / kg

(C) 400 CV kJ / kg       (D) 500 CV kJ / kg

           

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