Special Boiler License Prac ce Exam Minnesota
Ques ons and answers LATEST 2025/2026
How many way can heat be transferred? - Correct Answers Three (Conduc on -- Convec on --
Radia on)
How may types of low pressure are there? - Correct Answers Three
Boiler and boiler fi"ng used in the state of Minnesota must be constructed to what code? -
Correct Answers A.S.M.E
What controls the star ng ans stopping of the burner by sending the temperature of the water
in a hot water boiler? - Correct Answers Aqua Stat
When a hydrosta c test of a boiler exceeds the maximum allowed working pressure each
safety valve, if le- a.ached to the boiler, should: - Correct Answers Have its valve disc held to
its seat by means of tes ng clamp or "gag"
Heat can be transferred in three ways and they are: - Correct Answers Conduc on --
Convec on - Radia on
The first sequence in the series of automa c burner control is: - Correct Answers Purging
Can a low water low water condi on i a hot water hea ng type boiler? - Correct Answers Yes,
for numerous reasons
Other than a safety relieve valve what other safety device should be installed on a hot water
hea ng boiler? - Correct Answers Low water cut off
, Each boiler in a ba.ery (pipe together sharing the same common header) must have: - Correct
Answers A main stem stop
what removes air from a hot water boiler system? - Correct Answers Air Control
In a stem boiler system, the unit that turns be burner on and off based on steam pressure is
the: - Correct Answers Pressure Control
If water in the gauge is not visible because of failure of the feed water supply, what should be
done? - Correct Answers Shut off the fuel to the burner and secure the boiler.
What condi ons are necessary to cause a furnace explosion? - Correct Answers Accumula on
of unburned fuel, oxygen and an igni on source
The LWCO should be tested: - Correct Answers Daily
Gauge pressure plus 14.7 psi is called what? - Correct Answers Absolute pressure
The evapora on of 34.5 ponds of water per hour from and at a temperature of 212 degrees
Fahrenheit is defined as: - Correct Answers One boiler horsepower
When a safety valve opens and closes rapidly it is referred to as - Correct Answers Cha.ering
Furnace explosions are caused by a buildup of combus ble gases, or vapors in the combus on
chamber, what is the term used to remedy this condi on? - Correct Answers Purging
Ques ons and answers LATEST 2025/2026
How many way can heat be transferred? - Correct Answers Three (Conduc on -- Convec on --
Radia on)
How may types of low pressure are there? - Correct Answers Three
Boiler and boiler fi"ng used in the state of Minnesota must be constructed to what code? -
Correct Answers A.S.M.E
What controls the star ng ans stopping of the burner by sending the temperature of the water
in a hot water boiler? - Correct Answers Aqua Stat
When a hydrosta c test of a boiler exceeds the maximum allowed working pressure each
safety valve, if le- a.ached to the boiler, should: - Correct Answers Have its valve disc held to
its seat by means of tes ng clamp or "gag"
Heat can be transferred in three ways and they are: - Correct Answers Conduc on --
Convec on - Radia on
The first sequence in the series of automa c burner control is: - Correct Answers Purging
Can a low water low water condi on i a hot water hea ng type boiler? - Correct Answers Yes,
for numerous reasons
Other than a safety relieve valve what other safety device should be installed on a hot water
hea ng boiler? - Correct Answers Low water cut off
, Each boiler in a ba.ery (pipe together sharing the same common header) must have: - Correct
Answers A main stem stop
what removes air from a hot water boiler system? - Correct Answers Air Control
In a stem boiler system, the unit that turns be burner on and off based on steam pressure is
the: - Correct Answers Pressure Control
If water in the gauge is not visible because of failure of the feed water supply, what should be
done? - Correct Answers Shut off the fuel to the burner and secure the boiler.
What condi ons are necessary to cause a furnace explosion? - Correct Answers Accumula on
of unburned fuel, oxygen and an igni on source
The LWCO should be tested: - Correct Answers Daily
Gauge pressure plus 14.7 psi is called what? - Correct Answers Absolute pressure
The evapora on of 34.5 ponds of water per hour from and at a temperature of 212 degrees
Fahrenheit is defined as: - Correct Answers One boiler horsepower
When a safety valve opens and closes rapidly it is referred to as - Correct Answers Cha.ering
Furnace explosions are caused by a buildup of combus ble gases, or vapors in the combus on
chamber, what is the term used to remedy this condi on? - Correct Answers Purging
