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MEO Class II – EK-General : 2015/APR/03 – 2017/SEP/03 – 2017/NOV/03
Question

Q3. A. Sketch in diagrammatic form, a refrigeration unit operating on the vapour compression system. B. Describe how it operates and how adjustments can be made to its operating temperature. C. What effect will the following have on its operation i. high ambient temperature. ii. Gradual loss of gas. iii. Dirty heat exchanger

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