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⚙ Practice Exam Platform

Minnesota Boiler Operator
License Practice Exam

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Special Engineer

50 questions · Entry level

Special

2nd Class A

80 questions · Intermediate

Special 2A

1st Class A

130 questions · Advanced

Special 2A 1A

Chief A

140 questions · Expert

Special 2A 1A Chief A

Randomize Questions Draw in a fresh random order each attempt Shuffle Answers Scramble A–D positions so you can't memorize spots Study Mode Practice with hints & explanations, no pass/fail grade

Questions: —

Passing: 70%

Time: Self-paced

How It Works

Select a license level above to configure your exam.
Questions are drawn from the pool matching your selected license and all lower levels.
Select an answer, then click Submit Answer to lock it in and see feedback.
After submitting, you'll see if you were correct along with an explanation.
Use the question grid to navigate and track your progress.
Flag any tricky question (🚩 button or F) to revisit it on the results screen.
You need 70% to pass, matching MN DLI requirements (Study Mode removes the grade).
Keyboard shortcuts: 1–4 select answers, Enter submits or advances, ← → navigate, F flag.

Question 1 of 50 0%

Question Navigator

Unanswered Current / Selected Correct Incorrect Flagged

Question 1 Category

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1–4 select Enter submit / next ←→ navigate F flag H hint

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Exam Complete

Performance by Category

Category	Score	%