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MEO Class II – EK-General : 2021/NOV/09 – 2013/DEC/07 – 2013/OCT/07 – 2013/MAR/09 – 2012/APR/08
Question

Q9. (a) For Freon-22 vapor compression refrigeration machine, state how each of the following faults are indicated and how they are remedied:

(i) Air in the system

(ii) Moisture in the system

(iii) Undercharge

(iv) Overcharge

(b) Describe with a diagram detailing the devices incorporated into the refrigeration system to protect the machinery and equipment against malfunction.

Asked in Year/Month/Ques No.
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