MI Boiler Operator Practice Questions - Michigan Boiler Operator License Exam

What is the purpose of a boiler economizer?

To recover heat from flue gases to preheat feedwater, improving efficiency To control the fuel-to-air ratio for optimal combustion To reduce the steam temperature before it enters the distribution system To measure the economic cost of operating the boiler

Correct Answer:

To recover heat from flue gases to preheat feedwater, improving efficiency

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