Minnesota Special Boiler License
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How many way can heat be transferred? - Answer✅✅Three (Conduction --
Convection -- Radiation)
How may types of low pressure are there? - Answer✅✅Three
Boiler and boiler fitting used in the state of Minnesota must be constructed to what
code? - Answer✅✅A.S.M.E
What controls the starting ans stopping of the burner by sending the temperature of
the water in a hot water boiler? - Answer✅✅Aqua Stat
, When a hydrostatic test of a boiler exceeds the maximum allowed working pressure
each safety valve, if left attached to the boiler, should: - Answer✅✅Have its valve
disc held to its seat by means of testing clamp or "gag"
Heat can be transferred in three ways and they are: - Answer✅✅Conduction --
Convection - Radiation
The first sequence in the series of automatic burner control is: - Answer✅✅Purging
Can a low water low water condition i a hot water heating type boiler? -
Answer✅✅Yes, for numerous reasons
Other than a safety relieve valve what other safety device should be installed on a
hot water heating boiler? - Answer✅✅Low water cut off
Each boiler in a battery (pipe together sharing the same common header) must have:
- Answer✅✅A main stem stop
what removes air from a hot water boiler system? - Answer✅✅Air Control
In a stem boiler system, the unit that turns be burner on and off based on steam
pressure is the: - Answer✅✅Pressure Control
If water in the gauge is not visible because of failure of the feed water supply, what
should be done? - Answer✅✅Shut off the fuel to the burner and secure the boiler.
What conditions are necessary to cause a furnace explosion? -
Answer✅✅Accumulation of unburned fuel, oxygen and an ignition source
The LWCO should be tested: - Answer✅✅Daily
Gauge pressure plus 14.7 psi is called what? - Answer✅✅Absolute pressure
The evaporation of 34.5 ponds of water per hour from and at a temperature of 212
degrees Fahrenheit is defined as: - Answer✅✅One boiler horsepower
When a safety valve opens and closes rapidly it is referred to as -
Answer✅✅Chattering
Furnace explosions are caused by a buildup of combustible gases, or vapors in the
combustion chamber, what is the term used to remedy this condition? -
Answer✅✅Purging
Why is a pigtail or siphon required in steam pressure gauge lines? - Answer✅✅to
protect the gauge from a high temperature.
Practice Exam| Brand New Expert
Exam Questions with Clear Correct
Answers|All Graded A+| Latest
Premium Update(2025-2026)|100%
Guaranteed Success!!.
How many way can heat be transferred? - Answer✅✅Three (Conduction --
Convection -- Radiation)
How may types of low pressure are there? - Answer✅✅Three
Boiler and boiler fitting used in the state of Minnesota must be constructed to what
code? - Answer✅✅A.S.M.E
What controls the starting ans stopping of the burner by sending the temperature of
the water in a hot water boiler? - Answer✅✅Aqua Stat
, When a hydrostatic test of a boiler exceeds the maximum allowed working pressure
each safety valve, if left attached to the boiler, should: - Answer✅✅Have its valve
disc held to its seat by means of testing clamp or "gag"
Heat can be transferred in three ways and they are: - Answer✅✅Conduction --
Convection - Radiation
The first sequence in the series of automatic burner control is: - Answer✅✅Purging
Can a low water low water condition i a hot water heating type boiler? -
Answer✅✅Yes, for numerous reasons
Other than a safety relieve valve what other safety device should be installed on a
hot water heating boiler? - Answer✅✅Low water cut off
Each boiler in a battery (pipe together sharing the same common header) must have:
- Answer✅✅A main stem stop
what removes air from a hot water boiler system? - Answer✅✅Air Control
In a stem boiler system, the unit that turns be burner on and off based on steam
pressure is the: - Answer✅✅Pressure Control
If water in the gauge is not visible because of failure of the feed water supply, what
should be done? - Answer✅✅Shut off the fuel to the burner and secure the boiler.
What conditions are necessary to cause a furnace explosion? -
Answer✅✅Accumulation of unburned fuel, oxygen and an ignition source
The LWCO should be tested: - Answer✅✅Daily
Gauge pressure plus 14.7 psi is called what? - Answer✅✅Absolute pressure
The evaporation of 34.5 ponds of water per hour from and at a temperature of 212
degrees Fahrenheit is defined as: - Answer✅✅One boiler horsepower
When a safety valve opens and closes rapidly it is referred to as -
Answer✅✅Chattering
Furnace explosions are caused by a buildup of combustible gases, or vapors in the
combustion chamber, what is the term used to remedy this condition? -
Answer✅✅Purging
Why is a pigtail or siphon required in steam pressure gauge lines? - Answer✅✅to
protect the gauge from a high temperature.
