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MEO Class II – EK-General : 2022/OCT/08 – 2023/FEB/03 – 2024/AUG/02
Question

Q8.a) Explain with a sketch the operation of an automatic expansion valve as fitted in the direct expansion refrigeration plants. How is this valve adjusted?

b) Explain how critical temperature restricts plant operation and how these limitations can be overcome?

c) Explain how this system maintains the provision rooms at different temperatures?

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