Engine: Retired questions · Refrigeration AC

1. A The supply air duct thermostat controlling the steam flow is set several degrees lower than the design off-coil temperature associated with the cooling coil.
2. B The supply air duct thermostat controlling the steam flow is set equal to the design off-coil temperature associated with the cooling coil.
3. C Simultaneous steam flow through the preheater and chilled water flow through the cooling coil is permitted for the purposes of space humidity control.
4. D The supply air duct thermostat controlling the steam flow is set several degrees higher than the design off-coil temperature associated with the cooling coil.

Tip: press A-D to answer