4. What L/D ratio will produce the same laminar film condensation controlled heat transfer rate to a tube in both the vertical and with the condensate thickness.
A. 0.023
B. 1.13
C. 5.89
D. 0.64
4. What L/D ratio will produce the same laminar film condensation controlled heat transfer rate to a tube in both the vertical and with the condensate thickness.
A. 0.023
B. 1.13
C. 5.89
D. 0.64