When the return main of a gravity return steam heating system is located below the level of the water line in the boiler, it is called:
a. Flooded return
b. Dry return
c. Wet return
d. Reverse return
e. Direct return
Answer: C
When the return main of a gravity return steam heating system is located below the level of the water line in the boiler, it is called:
a. Flooded return
b. Dry return
c. Wet return
d. Reverse return
e. Direct return
Answer: C