Minnesota Special Engineer Boiler License Practice
EXAM 2026 || MOST RECENT EXAM 2026|2027 ACTUAL
COMPLETE REAL EXAM QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) ALREADY GRADED
A+ | GUARANTEED SUCCES!! NEWEST EXAM | JUST
RELEASED!!
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 low water cut out is one of the most important electrical/mechanical
devices on your boiler. How often should you test it?
Daily
What device must be located between a hot water boiler and the
expansion tank?
A shut off valve so the expansion can be isolated and drained during
operation of the boiler.
On a hot water boiler, every time the burner operates the safety relief
valve opens. Why?
The expansion tank is water logged, or the isolating valve for the
expansion tank is closed.
An Aquastat is used on a...?
Hot water boiler
To reduce thermal shock on hot water boilers, what devices are used?
Low limit or low fire hold control, three way valve, run around pump.
On a steam boiler the control named operator will...
On pressure decrease: Start. On pressure increase: Stop.
On a hot water boiler the control called the operator will...
On temperature decrease: Start. On temperature increase: Stop.
EXAM 2026 || MOST RECENT EXAM 2026|2027 ACTUAL
COMPLETE REAL EXAM QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) ALREADY GRADED
A+ | GUARANTEED SUCCES!! NEWEST EXAM | JUST
RELEASED!!
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 low water cut out is one of the most important electrical/mechanical
devices on your boiler. How often should you test it?
Daily
What device must be located between a hot water boiler and the
expansion tank?
A shut off valve so the expansion can be isolated and drained during
operation of the boiler.
On a hot water boiler, every time the burner operates the safety relief
valve opens. Why?
The expansion tank is water logged, or the isolating valve for the
expansion tank is closed.
An Aquastat is used on a...?
Hot water boiler
To reduce thermal shock on hot water boilers, what devices are used?
Low limit or low fire hold control, three way valve, run around pump.
On a steam boiler the control named operator will...
On pressure decrease: Start. On pressure increase: Stop.
On a hot water boiler the control called the operator will...
On temperature decrease: Start. On temperature increase: Stop.
