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| The rupture disc on a low pressure centrifugal refrigeration unit is used as an over pressure protection device and is set to relieve at 15 psig and is most likely to lift when the compressor is idle? Where is the rupture disc located? |
| A) on top of the condenser shell |
| B) at the discharge of the compressor |
| C) at the top of the upper chamber of the economizer |
| D) on top of chiller evaporator shell |
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