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EK-General : 2014/JUL/07 – 2016/OCT/03 – 2018/JUL/06 – 2022/DEC/07
Question
Q6. 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)
Asked in Year/Month/Ques No.