With reference to refrigeration systems. (a) Explain why undercooling of the refrigerant at the condenser outlet is desirable (3) (b) Describe, with the aid of a sketch, how a heat exchanger could be incorporated in the circuit to enhance undercooling (5) (c) Explain the possible consequences of the refrigerant having a dryness fraction at the compressor suction (2)
Reefer & A/C
UKM Tuticorin 
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