MINNESOTA SPECIAL ENGINEER BOILER LICENSE PRACTICE EXAM-ACTUAL
EXAM |LATEST UPDATE 2025 | COMPLETE QUESTIONS WITH CORRECT
DETAILED AND VERIFIED ANSWERS-MOSTLY TESTED QUESTIONS -RATED
100% CORRECT!!GUARANTEED PASS!! ALREADY GRADED A+
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? - (answers)10 Sq. Ft.
Heating Surface
What is meant by the term "Low Pressure Boiler"? - (answers)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)? - (answers)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? -
(answers)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? - (answers)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?
- (answers)Safety valve and/or an ASME approved safety relief valve.
A Tri indicator could be found on a: - (answers)Hot water boiler
A tri indicator would inform the boiler operator of what? - (answers)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? - (answers)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? - (answers)Steam first then hot water.
Some of the things you could find on a steam boiler (or hot water boiler) are what? -
(answers)Low water cut off, safety valve or safety relief valve, pressure gauge.
What devices would only be found on a steam boiler? - (answers)Steam pressure gauge, tricocks,
Pressuretrols
An expansion tank or compression tank would be used in what? - (answers)Hot water boiler
What is the purpose of the expansion tank? - (answers)To provide for expansion and contraction
of the water volume as its temperature varies.
On a hot water boiler, what is the purpose of the vent valve? - (answers)To make sure there is
water inside the boiler and to vent any trapped air.
If the safety valve or ASME safety relief valve leaks you would do what? - (answers)Have the
valve repaired or replaced.
Tri cocks or gauge cocks are sued on a steam boiler to indicate? - (answers)The true water level
inside the boiler.
On a steam or hot water boiler, the safety valve or safety relief valve could be tested by? -
(answers)When the boiler is running lifting the lever on the valve or raising the pressure until
they operate.
Before starting a steam or hot water boiler you should check for what? - (answers)Water in the
boiler.
EXAM |LATEST UPDATE 2025 | COMPLETE QUESTIONS WITH CORRECT
DETAILED AND VERIFIED ANSWERS-MOSTLY TESTED QUESTIONS -RATED
100% CORRECT!!GUARANTEED PASS!! ALREADY GRADED A+
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? - (answers)10 Sq. Ft.
Heating Surface
What is meant by the term "Low Pressure Boiler"? - (answers)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)? - (answers)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? -
(answers)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? - (answers)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?
- (answers)Safety valve and/or an ASME approved safety relief valve.
A Tri indicator could be found on a: - (answers)Hot water boiler
A tri indicator would inform the boiler operator of what? - (answers)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? - (answers)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? - (answers)Steam first then hot water.
Some of the things you could find on a steam boiler (or hot water boiler) are what? -
(answers)Low water cut off, safety valve or safety relief valve, pressure gauge.
What devices would only be found on a steam boiler? - (answers)Steam pressure gauge, tricocks,
Pressuretrols
An expansion tank or compression tank would be used in what? - (answers)Hot water boiler
What is the purpose of the expansion tank? - (answers)To provide for expansion and contraction
of the water volume as its temperature varies.
On a hot water boiler, what is the purpose of the vent valve? - (answers)To make sure there is
water inside the boiler and to vent any trapped air.
If the safety valve or ASME safety relief valve leaks you would do what? - (answers)Have the
valve repaired or replaced.
Tri cocks or gauge cocks are sued on a steam boiler to indicate? - (answers)The true water level
inside the boiler.
On a steam or hot water boiler, the safety valve or safety relief valve could be tested by? -
(answers)When the boiler is running lifting the lever on the valve or raising the pressure until
they operate.
Before starting a steam or hot water boiler you should check for what? - (answers)Water in the
boiler.
