MINNESOTA SPECIAL ENGINEER BOILER FINAL PAPER
2025/2026 QUESTIONS WITH ANSWERS TAGGED A+
✔✔What type of boiler has the water surrounding the tubes? - ✔✔Fire tube
✔✔What type of boiler has the water running through the tubes? - ✔✔Water tube
✔✔Boiler room log books area state of Minnesota requirement for ever boiler room,
what are some of the things you should be writing down in the book? - ✔✔The log entry
should start out with today's date NEXT what you did you do in the boiler room NEXT
sign your name
✔✔What is condensate? - ✔✔Condensed steam
✔✔A firing cycle consists of events that safely controls the burning of a fuel. What even
occur first? - ✔✔Safety controls must be in the circuit.
✔✔After blowing down the water column and gauge glass you are looking for the: -
✔✔Water reentering the gauge glass to rise promptly.
✔✔Give an example of cold water start for a hot water boiler. - ✔✔XXX
✔✔Two low water fuel cut-outs are required when the BTU input of the burner exceeds:
- ✔✔750,000
✔✔A boiler equipped with the two low water fuel cut-outs must have _______________
on the secondary low water fuel cut-out. - ✔✔A manual reset.
✔✔A boiler with a new burner OR a new boiler room must have: - ✔✔A kill switch by
each door leaving the boiler room.
✔✔The low water fuel cut off should be tested: - ✔✔At least once a day when the boiler
is in operation.
✔✔What is the purpose of a check valve used in a feed water line going to a steam
boiler? - ✔✔To restrict the flow in one direction only.
✔✔Where would you expect to locate pyrometer? - ✔✔In the exhaust gases leaving the
boiler
✔✔What would the pyrometer tell you? - ✔✔The temperature
✔✔An aqua state would be used on what type of boiler? - ✔✔A hot water boiler
, ✔✔Globe valves are used when you need to: - ✔✔Throttle or restrict the flow
✔✔Three types of drafts are: - ✔✔Natural, forced, and induced.
✔✔ For the purpose of rating boiler horsepower for an Engineers License only, how
many square feet of boiler surface shall be equivalent to one boiler horsepower on a
boiler? - ✔✔10 Sq. Ft. Heating Surface
✔✔What is meant by the term "Low Pressure Boiler"? - ✔✔Boilers operating at a steam
or other vapor pressure of 15psig or less, or a hot water or other liquid boiler in which
the pressure does not exceed 160 psig or a temperature of 250 degrees F.
✔✔A person holding a current State of Minnesota Special Engineers License could be
in charge of, or a shift engineer in what size plant(s)? - ✔✔High and Low pressure
boilers not to exceed a total of 50 boiler horsepower, or a shift engineer in a 100
horsepower plant.
✔✔Special Engineer may serve as an apprentice of what size water/liquid or
steam/vapor boiler? - ✔✔In any plant regardless of size under the direct supervision of
a properly licensed engineer.
✔✔The purpose of low water cut out on a steam or hot water boiler is to what? -
✔✔Shut off the burner when a low water condition exists.
✔✔The valve or valves that must relieve all excess pressure on a steam or hot water
boiler are what? - ✔✔Safety valve and/or an ASME approved safety relief valve.
✔✔A Tri indicator could be found on a: - ✔✔Hot water boiler
✔✔A tri indicator would inform the boiler operator of what? - ✔✔The TEMPERATURE of
the water, the PRESSURE of the water in PSIG, and the ALTITUDE of water in feet.
✔✔What is the destructive force in a steam or hot water boiler explosion? - ✔✔The
instant release of energy stored in the water as heat.
✔✔An ASME approved safety relieve calve used on a hot water boiler is tested at the
factory on what? - ✔✔Steam first then hot water.
✔✔Some of the things you could find on a steam boiler (or hot water boiler) are what? -
✔✔Low water cut off, safety valve or safety relief valve, pressure gauge.
2025/2026 QUESTIONS WITH ANSWERS TAGGED A+
✔✔What type of boiler has the water surrounding the tubes? - ✔✔Fire tube
✔✔What type of boiler has the water running through the tubes? - ✔✔Water tube
✔✔Boiler room log books area state of Minnesota requirement for ever boiler room,
what are some of the things you should be writing down in the book? - ✔✔The log entry
should start out with today's date NEXT what you did you do in the boiler room NEXT
sign your name
✔✔What is condensate? - ✔✔Condensed steam
✔✔A firing cycle consists of events that safely controls the burning of a fuel. What even
occur first? - ✔✔Safety controls must be in the circuit.
✔✔After blowing down the water column and gauge glass you are looking for the: -
✔✔Water reentering the gauge glass to rise promptly.
✔✔Give an example of cold water start for a hot water boiler. - ✔✔XXX
✔✔Two low water fuel cut-outs are required when the BTU input of the burner exceeds:
- ✔✔750,000
✔✔A boiler equipped with the two low water fuel cut-outs must have _______________
on the secondary low water fuel cut-out. - ✔✔A manual reset.
✔✔A boiler with a new burner OR a new boiler room must have: - ✔✔A kill switch by
each door leaving the boiler room.
✔✔The low water fuel cut off should be tested: - ✔✔At least once a day when the boiler
is in operation.
✔✔What is the purpose of a check valve used in a feed water line going to a steam
boiler? - ✔✔To restrict the flow in one direction only.
✔✔Where would you expect to locate pyrometer? - ✔✔In the exhaust gases leaving the
boiler
✔✔What would the pyrometer tell you? - ✔✔The temperature
✔✔An aqua state would be used on what type of boiler? - ✔✔A hot water boiler
, ✔✔Globe valves are used when you need to: - ✔✔Throttle or restrict the flow
✔✔Three types of drafts are: - ✔✔Natural, forced, and induced.
✔✔ For the purpose of rating boiler horsepower for an Engineers License only, how
many square feet of boiler surface shall be equivalent to one boiler horsepower on a
boiler? - ✔✔10 Sq. Ft. Heating Surface
✔✔What is meant by the term "Low Pressure Boiler"? - ✔✔Boilers operating at a steam
or other vapor pressure of 15psig or less, or a hot water or other liquid boiler in which
the pressure does not exceed 160 psig or a temperature of 250 degrees F.
✔✔A person holding a current State of Minnesota Special Engineers License could be
in charge of, or a shift engineer in what size plant(s)? - ✔✔High and Low pressure
boilers not to exceed a total of 50 boiler horsepower, or a shift engineer in a 100
horsepower plant.
✔✔Special Engineer may serve as an apprentice of what size water/liquid or
steam/vapor boiler? - ✔✔In any plant regardless of size under the direct supervision of
a properly licensed engineer.
✔✔The purpose of low water cut out on a steam or hot water boiler is to what? -
✔✔Shut off the burner when a low water condition exists.
✔✔The valve or valves that must relieve all excess pressure on a steam or hot water
boiler are what? - ✔✔Safety valve and/or an ASME approved safety relief valve.
✔✔A Tri indicator could be found on a: - ✔✔Hot water boiler
✔✔A tri indicator would inform the boiler operator of what? - ✔✔The TEMPERATURE of
the water, the PRESSURE of the water in PSIG, and the ALTITUDE of water in feet.
✔✔What is the destructive force in a steam or hot water boiler explosion? - ✔✔The
instant release of energy stored in the water as heat.
✔✔An ASME approved safety relieve calve used on a hot water boiler is tested at the
factory on what? - ✔✔Steam first then hot water.
✔✔Some of the things you could find on a steam boiler (or hot water boiler) are what? -
✔✔Low water cut off, safety valve or safety relief valve, pressure gauge.
