Minnesota Special Engineer Boiler License Practice Exam
Questions And Verified Answers 2026.
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? - ANSWER: 10 Sq. Ft. Heating Surface
What is meant by the term "Low Pressure Boiler"? - ANSWER: 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)? - ANSWER: 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? - ANSWER: 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? -
ANSWER: 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? - ANSWER: Safety valve and/or an ASME approved safety relief
valve.
A Tri indicator could be found on a: - ANSWER: Hot water boiler
A tri indicator would inform the boiler operator of what? - ANSWER: 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? - ANSWER:
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? - ANSWER: Steam first then hot water.
Some of the things you could find on a steam boiler (or hot water boiler) are what?
- ANSWER: Low water cut off, safety valve or safety relief valve, pressure gauge.
What devices would only be found on a steam boiler? - ANSWER: Steam pressure
gauge, tricocks, Pressuretrols
Questions And Verified Answers 2026.
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? - ANSWER: 10 Sq. Ft. Heating Surface
What is meant by the term "Low Pressure Boiler"? - ANSWER: 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)? - ANSWER: 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? - ANSWER: 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? -
ANSWER: 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? - ANSWER: Safety valve and/or an ASME approved safety relief
valve.
A Tri indicator could be found on a: - ANSWER: Hot water boiler
A tri indicator would inform the boiler operator of what? - ANSWER: 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? - ANSWER:
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? - ANSWER: Steam first then hot water.
Some of the things you could find on a steam boiler (or hot water boiler) are what?
- ANSWER: Low water cut off, safety valve or safety relief valve, pressure gauge.
What devices would only be found on a steam boiler? - ANSWER: Steam pressure
gauge, tricocks, Pressuretrols
