Engine: Expired / General Subjects

1. A When recovering refrigerant from the centrifugal chiller using this method, it is possible to achieve the recovery levels required by law without any further recovery.
2. B When recovering refrigerant from the centrifugal chiller using this method, the vent hose connection should be closed.
3. C When recovering refrigerant from the centrifugal chiller using this method, it is permissible to exceed 90% of the weight capacity of the refrigerant drum.
4. D When recovering refrigerant from the centrifugal chiller using this method, it minimizes the risk of chiller tube freeze-up.

Tip: press A-D to answer