MINNESOTA SPECIAL ENGINEER BOILER
LICENSE PRACTICE EXAM QUESTIONS
WITH 100% CORRECT ANSWERS
A boiler equipped with the two low water fuel cut-outs must have _______________ on the secondary
low water fuel cut-out. - -A manual reset.
A boiler with a new burner OR a new boiler room must have: - -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? -
-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)? - -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: - -Hot water boiler
A tri indicator would inform the boiler operator of what? - -The TEMPERATURE of the water,
the PRESSURE of the water in PSIG, and the ALTITUDE of water in feet.
All steam traps will prevent steam from passing through them but will allow what to pass through
them? - -Dirt, air, and condensate.
After blowing down the water column and gauge glass you are looking for the: - -Water
reentering the gauge glass to rise promptly.
An aqua state would be used on what type of boiler? - -A hot water boiler
, An Aquastat is used on a...? - -Hot water boiler
An ASME approved safety relieve calve used on a hot water boiler is tested at the factory on what? -
-Steam first then hot water.
An expansion tank or compression tank would be used in what? - -Hot water boiler
Aqua stats work by sensing: - -Temperature.
Before starting a steam or hot water boiler you should check for what? - -Water in the boiler.
Before testing a low water fuel cut-out what must be done? - -The burner must be on.
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? - -10 Sq. Ft. Heating
Surface
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? - -The log entry should start out with
today's date NEXT what you did you do in the boiler room NEXT sign your name
Give an example of cold water start for a hot water boiler. - -XXX
Globe valves are used when you need to: - -Throttle or restrict the flow
Heat can be transferred in how many ways? - -Three.
How do we know if we are using and approved safety valve for a steam boiler or a safety relief valve
for a hot water boiler? - -A spring loaded direct acting safety valve or safety relief valve.
LICENSE PRACTICE EXAM QUESTIONS
WITH 100% CORRECT ANSWERS
A boiler equipped with the two low water fuel cut-outs must have _______________ on the secondary
low water fuel cut-out. - -A manual reset.
A boiler with a new burner OR a new boiler room must have: - -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? -
-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)? - -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: - -Hot water boiler
A tri indicator would inform the boiler operator of what? - -The TEMPERATURE of the water,
the PRESSURE of the water in PSIG, and the ALTITUDE of water in feet.
All steam traps will prevent steam from passing through them but will allow what to pass through
them? - -Dirt, air, and condensate.
After blowing down the water column and gauge glass you are looking for the: - -Water
reentering the gauge glass to rise promptly.
An aqua state would be used on what type of boiler? - -A hot water boiler
, An Aquastat is used on a...? - -Hot water boiler
An ASME approved safety relieve calve used on a hot water boiler is tested at the factory on what? -
-Steam first then hot water.
An expansion tank or compression tank would be used in what? - -Hot water boiler
Aqua stats work by sensing: - -Temperature.
Before starting a steam or hot water boiler you should check for what? - -Water in the boiler.
Before testing a low water fuel cut-out what must be done? - -The burner must be on.
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? - -10 Sq. Ft. Heating
Surface
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? - -The log entry should start out with
today's date NEXT what you did you do in the boiler room NEXT sign your name
Give an example of cold water start for a hot water boiler. - -XXX
Globe valves are used when you need to: - -Throttle or restrict the flow
Heat can be transferred in how many ways? - -Three.
How do we know if we are using and approved safety valve for a steam boiler or a safety relief valve
for a hot water boiler? - -A spring loaded direct acting safety valve or safety relief valve.
