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Engine : Refrigeration AC - 282/610
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In a low-pressure centrifugal chiller, what is meant by the term 'high efficiency purge unit?'
A) Those purge units which need the least amount of on-going maintenance.
B) Those purge units which draw very little electrical power.
C) Those purge units which discharge the highest percentage of refrigerant with the air being removed.
D) Those purge units which discharge very little refrigerant with the air being removed.
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