MI Boiler Operator Practice Questions - Michigan Boiler Operator License Exam

What is the purpose of a post-purge cycle after the boiler burner shuts down?

To remove remaining combustion gases from the furnace and flue passages To cool down the refractory material quickly To test the draft fan before shutdown To pressurize the furnace for leak testing

Correct Answer:

To remove remaining combustion gases from the furnace and flue passages

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