The minimum size of the blowoff piping of a steam heating boiler is ___
a. 75 mm
b. 51 mm
c. 20 mm
d. 19 mm
e. 15 mm
Show Answer
Answer: D
The minimum size of the blowoff piping of a steam heating boiler is ___
a. 75 mm
b. 51 mm
c. 20 mm
d. 19 mm
e. 15 mm
Answer: D