If bicarbonates are not removed before the water enters the boiler, they will cause?
A. Foaming
B. Soft scale
C. Hard scale
D. All of the above
E. A and C
Answer: B
If bicarbonates are not removed before the water enters the boiler, they will cause?
A. Foaming
B. Soft scale
C. Hard scale
D. All of the above
E. A and C