Minnesota Special Engineer Boiler License Practice Exam

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What is the typical water treatment method used to prevent corrosion in boilers?

Filtration

Chlorination

Additives like oxygen scavengers

The typical water treatment method used to prevent corrosion in boilers involves the use of additives like oxygen scavengers. Oxygen scavengers are chemical compounds that react with and remove dissolved oxygen from the boiler water, which is crucial because oxygen can cause significant corrosion within the system. By reducing oxygen levels, these additives help to minimize rust and corrosion, ensuring the boiler operates efficiently and has a longer service life.

In contrast, filtration primarily removes solids and particulate matter from water but does not address the chemical properties that lead to corrosion. Chlorination is typically employed for disinfecting water rather than for preventing corrosion in a boiler system. Boiling the water may kill bacteria and impurities but does not effectively remove dissolved gases like oxygen, which are responsible for corrosion.

Boiling the water

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