Refrigeration and air-conditioning objective questions and answers


21. In vapour compression refrigeration cycle,the condition of refrigerant is saturated liquid.......


   A.Before entering the expansion valve

   B.Before entering the compressor

   C.After passing through the condenser

   D.Before passing through the condenser

   E.After passing through the expansion or throttle valve


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C.After passing through the condenser

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22. In vapoue compression refrigeration cycle,the condition of refrigerant is very wet vapour.......


   A.Before entering the expansion valve

   B.Before entering the compressor

   C.After passing through the condenser

   D.Before passing through the condenser

   E.After passing through the expansion or throttle valve


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E.After passing through the expansion or throttle valve

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23. In vapour compression refrigeration cycle,the condition of refrigerant is high pressure saturated liquid ....


   A.Before entering the expansion valve

   B.Before entering the compressor

   C.After passing through the condenser

   D.Before passing through the condenser

   E.After passing through the expansion or throttle valve


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A.Before entering the expansion valve

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24. In vapour compression refrigeration cycle,the condition of refrigerant is superheated vapour .......


   A.Before entering the expansion valve

   B.Before entering the compressor

   C.After passing through the condenser

   D.Before passing through the condenser

   E.After passing through the expansion or throttle valve


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D.Before passing through the condenser

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25. In vapour compression refrigeration cycle,the condition of refrigerant is dry saturated vapour.......


   A.Before entering the expansion valve

   B.Before entering the compressor

   C.After passing through the condenser

   D.Before passing through the condenser

   E.After passing through the expansion or throttle valve


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B.Before entering the compressor

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