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MEO Class II – MEP : 2022/AUG/08 – 2024/APR/05
Question
Q8. With reference to the lubrication of refrigeration compressors:
a) State the advantage of using fully synthetic oils
b) Explain why oil may be carried over from the compressor
c) Describe a device which returns oil from the compressor discharge to the compressor sump
d) State the reasons why an accumulation of oil in the evaporator is undesirable.
Asked in Year/Month/Ques No.