The ratio of down take area to cross-sectional area of the tube, for calandria type evaporator ranges from_________________?
A. 0.5 to 1
B. 1 to 1.5
C. 1.5 to 2
D. 2 to 2.5
The ratio of down take area to cross-sectional area of the tube, for calandria type evaporator ranges from_________________?