A modulating control steam heating boiler:
a. Is always fully automatic
b. Will have a narrow operating pressure range
c. Maintains a steady boiler pressure
d. Will have a constant combustion air, flow rate
e. Cannot be adjusted
Answer: C
A modulating control steam heating boiler:
a. Is always fully automatic
b. Will have a narrow operating pressure range
c. Maintains a steady boiler pressure
d. Will have a constant combustion air, flow rate
e. Cannot be adjusted
Answer: C