Dry and flooded evaporators differ principally in what respect?
a. The dry evaporator is designed to cool gases only
b. The heat transfer surfaces of a flooded evaporator are kept covered with liquid refrigerant
c. Flooded systems primarily use B1 and B2 refrigerants
d. Dry evaporators use low-side floats, whereas flooded evaporators use high-side floats
e. The drift eliminators in a dry evaporator are considerably smaller
Answer: B