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Discussion :: GATE Agricultural

  1. A 1 hp motor is used for running a dual cylinder reciprocating compressor of a refrigeration system based on R-134a refrigerant having 185 kJ kg-1 cooling capacity. COP of the system is 4.2 and overall efficiency of the compressor is 80%. Specific volume of the refrigerant vapour at suction temperature is 0.15 m3 kg-1. The compressor with bore diameters of 40 mm each runs at 1440 rpm. The compressor stroke length in mm is
  2. A.
    16.8
    B.
    33.7
    C.
    50.5
    D.
    67.4

    View Answer

    Workspace

    Answer : Option B

    Explanation :

    -NA-


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