Engine_2014 : General Subjects - 3497/3524
|
|---|
| « Previous Question |
| Why is a purge recovery unit typically fitted on low pressure centrifugal chillers? |
| A) such a chiller can operate at a pressure below atmospheric pressure on the low side thus drawing in air through any low- side leaks |
| B) evacuation of the air from a low pressure chiller prior to charging with refrigerant is not possible |
| C) low pressure chillers are routinely opened for maintenance thus introducing air at each opening |
| D) low pressure chillers use extremely low boiling point refrigerants |
loading answer...
| Comments |
|---|
| There are no comments for this question. |