Engine : Steam Plants - 643/811
|
|---|
| « Previous Question |
| Carbon dioxide dissolved in boiler water is dangerous in a modern power boiler because the gas __________. |
| A) combines with oxygen to cause severe waterside scaling |
| B) forms carbonic acid which attacks the watersides |
| C) combines with sulfates to cause severe waterside pitting |
| D) breaks the magnetic iron oxide film inside boiler tubes |
loading answer...
| Comments |
|---|
| There are no comments for this question. |