Engine 2014: Electricity

1. A Refrigerant is being recovered from the centrifugal chiller as a vapor.
2. B Refrigerant is being charged into the centrifugal chiller quicker than can be achieved with a liquid pump.
3. C Refrigerant is being charged into the centrifugal chiller as pure vapor leaving non- volatile contaminants such as oil remaining in the refrigerant containment tank.
4. D Refrigerant is being recovered from the centrifugal chiller as a liquid.

Tip: press A-D to answer