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A R-12 refrigerant reciprocating compressor operates between the condensing temperature of 300C and evaporator temperature of –200C. The clearance volume ratio of the compressor is 0.03. Specific heat ratio of the vapour is 1.15 and the specific volume at the suction is 0.1089 m3/kg. Other properties at various states Are given in the figure. to realize 2 Tons of refrigeration, the actual volume displacement rate considering the effect of clearance is    

     (a) 6.35´10–3 m3 /s                                                    (b) 63.5 ´10–3 m3 /s

      (c) 635´10–3 m3 /s                                                    (d) 4.88 ´10–3 m3 /s

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