MN Boiler Operator Practice Questions - Minnesota Boiler Engineer License Exam

What are the main Minnesota boiler engineer license classes, from lowest to highest?

Special Engineer, Second Class, First Class, and Chief Engineer Fifth Class, Fourth Class, Third Class, Second Class, First Class, and Chief Apprentice, Journeyman, and Master Engineer Low Pressure, Medium Pressure, and High Pressure Engineer

Correct Answer:

Special Engineer, Second Class, First Class, and Chief Engineer

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