MN Boiler License Questions / Actual Exam Questions & Correct, Certified Solutions / 2025 / 2026.

MN Boiler License Questions / Actual Exam Questions & Correct, Certified Solutions / 2025 / 2026. a question - Correct Answer an answer what are the conditions necessary for good combustion? a) low sulfur content b) Thermal, thermocoupler, tubular c) turbulence, temperature, time 3T's - Correct Answer c) turbulence, temperature, time 3T's why is secondary air necessary in hand fired boilers? a) Necessary to burn the combustible gases b) if primary air should fail c) used only if sulfur content is high - Correct Answer a) Necessary to burn the combustible gases when pressure increases on steam from a given amount of water what happens to its volume and latent heat? a) increases b) decreases c) remains the same - Correct Answer b) decreases when pressure increases on steam from a given amount of water what happens to its temperature? a) increases b) decreases c) remains the same - Correct Answer a) increases when carbon monoxide (co) is formed and carbon dioxide (co2) is very high what does it generally signify?