What this course covers
Boiler fundamentals, safeguards and operating knowledge
Your exam and course scope
This course uses Minnesota Special Engineer licensing as its reference. Practice percentages are study feedback, not an official exam result or a prediction of passing. Verify current DLI requirements before applying.
Where this applies. This course uses Minnesota Special Engineer as its reference jurisdiction. It does not qualify an operator or award a license. Other jurisdictions are not claimed. Confirm current Minnesota DLI requirements and applicable equipment/site procedures. Checkout is independent of location.
This is knowledge practice for the written exam. It does not replace approved training, eligibility checks, or any skills evaluation your certifying body requires. Licensing scope, fees, examination requirements and applicable boiler codes can change. Confirm current Minnesota DLI materials and applicable equipment procedures. Other jurisdictions have different licensing requirements.
What you get
8 teaching modules and 103 practice questions, with narrated lessons, cards, explained answers and review of missed material. Review tests use the course practice bank. App practice results do not guarantee an official exam result.
Try the free lessons
Price and refund
One-time purchase, $29. No subscription. A refund request within 24 hours of purchase is handled by a person within one business day — write to support@passboilerexam.com.
Sources and corrections
The references below informed this independent study course. Confirm current issuer requirements and follow approved equipment and site procedures; this course is not an official publication. Found an error? Write to support@passboilerexam.com and we correct it.
- MN DLI Boiler License Classifications PDF, Special row (50 Q / 70% / $50) + DLI licensing page (2.5-hour limit) · regulator
- MN DLI Boiler License Classifications PDF (grade table + Special scope 50 HP + 30-day wait) · regulator
- Steingress, Low Pressure Boilers (ATP); ASME BPVC · standards body
- Steingress, Low Pressure Boilers (ATP) · reputable
- ASME / Steingress, Low Pressure Boilers · standards body
- ASME 1884 boiler-horsepower definition (ABMA BHP-history white paper; engineeringtoolbox Boiler Horsepower) · standards body
- Steingress, Low Pressure Boilers; National Board · reputable
- ASME BPVC / National Board Inspection Code (NBIC) · standards body
- Standard engineering (force = pressure x area; circle area 0.7854 D^2); ASME · standards body
- ASME BPVC Section I / National Board · standards body
- ASME BPVC Section I (safety-valve capacity and set pressure) · standards body
- ASME BPVC; Steingress, Low Pressure Boilers · standards body
- National Board / ASME (safety-valve maintenance) · standards body
- Steingress, Low Pressure Boilers · reputable
- Steingress / National Board · reputable
- National Board 'Low-Water Cutoff: A Maintenance Must'; ASME (automatic low-water fuel cutoff required) · standards body
- National Board (LWCO vs level-indicating fittings) · standards body
- Cleaver-Brooks Model CB manual, manual blowdown procedure: quick valve first/last, slow valve controls flow; follow equipment-specific procedures · primary
- EPA APTI Introduction to Boiler Operation (1984), Lesson 4, fusible plugs, conceptual description only; MN Rule 5225.2500, required low-water fuel cutoff. No current design-specific melting temperature claim. · regulator
- Steingress / ASME (feedwater treatment) · reputable
- Steingress, Low Pressure Boilers (water treatment) · reputable
- Steingress / National Board (blowdown types) · reputable
- Steingress / OSHA (combustion fundamentals) · reputable
- Steingress, Low Pressure Boilers (combustion) · reputable
- Steingress, Low Pressure Boilers (excess air) · reputable
- Steingress, Low Pressure Boilers (fuels/burners) · reputable
- Steingress, Low Pressure Boilers (draft) · reputable
- Steingress, Low Pressure Boilers (mechanical draft) · reputable
- Steingress / NFPA 85 (flame safeguard and purge) · reputable
- National Board / NFPA (furnace vs pressure-vessel explosion) · standards body
- National Board (low-water conditions as leading boiler-accident cause) · standards body
- National Board / Steingress (low-water emergency response) · standards body
- Steingress, Low Pressure Boilers (startup) · reputable
- Steingress, Low Pressure Boilers (venting on startup) · reputable
- Steingress, Low Pressure Boilers (carryover/priming/foaming) · reputable
- Steingress, Low Pressure Boilers (water hammer) · reputable
- National Board (routine LWCO and gauge-glass testing) · standards body
- ASME / National Board (safety-valve operation) · standards body
- Steingress, Low Pressure Boilers (shutdown) · reputable
- Steingress, Low Pressure Boilers (boiler layup) · reputable
- National Board / Steingress (crown-sheet coverage / low-water failure) · standards body
- Saturated-steam tables (ASME steam tables) · standards body
- Steingress, Low Pressure Boilers (superheat) · reputable
- Steingress, Low Pressure Boilers (steam traps) · reputable
- Steingress, Low Pressure Boilers (condensate return) · reputable
- Minnesota Rules Ch. 5225 (5225.0550 cited on the DLI classifications PDF); MN Statutes ch. 326B (boiler code, verify exact section); DLI · regulator
- ASME BPVC Section I / Section IV; National Board Inspection Code (NBIC) · standards body
- ASME BPVC Section IV (low-pressure heating boiler definition) · standards body