Minnesota Special Engineer Boiler License
Practice Exam Questions Latest Update 2025-
2026 140 Questions and 100% Verified Correct
Answers Guaranteed A+
A boiler equipped with the two low water fuel cut-outs must have _______________ on
the secondary low water fuel cut-out. - CORRECT ANSWER: A manual reset.
A boiler with a new burner OR a new boiler room must have: - CORRECT ANSWER: A
kill switch by each door leaving the boiler room.
A firing cycle consists of events that safely controls the burning of a fuel. What even
occur first? - CORRECT ANSWER: Safety controls must be in the circuit.
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)? - CORRECT ANSWER: High and
Low pressure boilers not to exceed a total of 50 boiler horsepower, or a shift engineer in
a 100 horsepower plant.
A Tri indicator could be found on a: - CORRECT ANSWER: Hot water boiler
A tri indicator would inform the boiler operator of what? - CORRECT ANSWER: The
TEMPERATURE of the water, the PRESSURE of the water in PSIG, and the ALTITUDE
of water in feet.
After blowing down the water column and gauge glass you are looking for the: -
CORRECT ANSWER: Water reentering the gauge glass to rise promptly.
All steam traps will prevent steam from passing through them but will allow what to pass
through them? - CORRECT ANSWER: Dirt, air, and condensate.
, An aqua state would be used on what type of boiler? - CORRECT ANSWER: A hot
water boiler
An Aquastat is used on a...? - CORRECT ANSWER: Hot water boiler
An ASME approved safety relieve calve used on a hot water boiler is tested at the
factory on what? - CORRECT ANSWER: Steam first then hot water.
An expansion tank or compression tank would be used in what? - CORRECT ANSWER:
Hot water boiler
Aqua stats work by sensing: - CORRECT ANSWER: Temperature.
Before starting a steam or hot water boiler you should check for what? - CORRECT
ANSWER: Water in the boiler.
Before testing a low water fuel cut-out what must be done? - CORRECT ANSWER: The
burner must be on.
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? - CORRECT ANSWER:
The log entry should start out with today's date NEXT what you did you do in the boiler
room NEXT sign your name
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? -
CORRECT ANSWER: 10 Sq. Ft. Heating Surface
Give an example of cold water start for a hot water boiler. - CORRECT ANSWER: XXX
Practice Exam Questions Latest Update 2025-
2026 140 Questions and 100% Verified Correct
Answers Guaranteed A+
A boiler equipped with the two low water fuel cut-outs must have _______________ on
the secondary low water fuel cut-out. - CORRECT ANSWER: A manual reset.
A boiler with a new burner OR a new boiler room must have: - CORRECT ANSWER: A
kill switch by each door leaving the boiler room.
A firing cycle consists of events that safely controls the burning of a fuel. What even
occur first? - CORRECT ANSWER: Safety controls must be in the circuit.
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)? - CORRECT ANSWER: High and
Low pressure boilers not to exceed a total of 50 boiler horsepower, or a shift engineer in
a 100 horsepower plant.
A Tri indicator could be found on a: - CORRECT ANSWER: Hot water boiler
A tri indicator would inform the boiler operator of what? - CORRECT ANSWER: The
TEMPERATURE of the water, the PRESSURE of the water in PSIG, and the ALTITUDE
of water in feet.
After blowing down the water column and gauge glass you are looking for the: -
CORRECT ANSWER: Water reentering the gauge glass to rise promptly.
All steam traps will prevent steam from passing through them but will allow what to pass
through them? - CORRECT ANSWER: Dirt, air, and condensate.
, An aqua state would be used on what type of boiler? - CORRECT ANSWER: A hot
water boiler
An Aquastat is used on a...? - CORRECT ANSWER: Hot water boiler
An ASME approved safety relieve calve used on a hot water boiler is tested at the
factory on what? - CORRECT ANSWER: Steam first then hot water.
An expansion tank or compression tank would be used in what? - CORRECT ANSWER:
Hot water boiler
Aqua stats work by sensing: - CORRECT ANSWER: Temperature.
Before starting a steam or hot water boiler you should check for what? - CORRECT
ANSWER: Water in the boiler.
Before testing a low water fuel cut-out what must be done? - CORRECT ANSWER: The
burner must be on.
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? - CORRECT ANSWER:
The log entry should start out with today's date NEXT what you did you do in the boiler
room NEXT sign your name
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? -
CORRECT ANSWER: 10 Sq. Ft. Heating Surface
Give an example of cold water start for a hot water boiler. - CORRECT ANSWER: XXX
