A hot-gas defrost cycle will progress in the same manner as the:
A) Natural defrost system. B) Secondary defrost system.
C) Secondary-loop system. D) Electric defrost system.
Question 2
A stainless steel coil that is built like a refrigeration coil and allows a high-efficiency unit to move into the 90+ percent efficiency range is called:
A) A hybrid coil recuperater. B) A serpentine coil heat recuperater.
C) A serpentine coil heat exchanger. D) A recuperative coil.