Page 1 of 8 Minnesota Special Engineer Boiler License Practice Exam Questions and Answers.pdf 2/1/2026
Minnesota Special Engineer Boiler
License Practice Exam Questions and
Answers
QUESTION
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
QUESTION
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.
QUESTION
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.
Page 1 of 8 Minnesota Special Engineer Boiler License Practice
Minnesota
Exam Questions
Special Engineer
and Answers.pdf
Boiler License Practice Exam Questions and Answers
, Page 2 of 8 Minnesota Special Engineer Boiler License Practice Exam Questions and Answers.pdf 2/1/2026
QUESTION
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.
QUESTION
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.
QUESTION
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.
QUESTION
A Tri indicator could be found on a:
Answer:
Hot water boiler
QUESTION
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.
Page 2 of 8 Minnesota Special Engineer Boiler License Practice
Minnesota
Exam Questions
Special Engineer
and Answers.pdf
Boiler License Practice Exam Questions and Answers
Minnesota Special Engineer Boiler
License Practice Exam Questions and
Answers
QUESTION
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
QUESTION
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.
QUESTION
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.
Page 1 of 8 Minnesota Special Engineer Boiler License Practice
Minnesota
Exam Questions
Special Engineer
and Answers.pdf
Boiler License Practice Exam Questions and Answers
, Page 2 of 8 Minnesota Special Engineer Boiler License Practice Exam Questions and Answers.pdf 2/1/2026
QUESTION
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.
QUESTION
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.
QUESTION
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.
QUESTION
A Tri indicator could be found on a:
Answer:
Hot water boiler
QUESTION
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.
Page 2 of 8 Minnesota Special Engineer Boiler License Practice
Minnesota
Exam Questions
Special Engineer
and Answers.pdf
Boiler License Practice Exam Questions and Answers
